diff --git a/package.json b/package.json
index d1ccb03e6..1587bf40b 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "eslint-plugin-react": "^7.34.3",
     "eslint-plugin-react-hooks": "^4.6.2",
     "eslint-plugin-unused-imports": "^4.0.0",
+    "gpt-tokens": "^1.3.6",
     "i18next": "^23.11.5",
     "localforage": "^1.10.0",
     "lodash": "^4.17.21",
diff --git a/src/renderer/src/assets/styles/index.scss b/src/renderer/src/assets/styles/index.scss
index 6d4cc4666..4e7dddded 100644
--- a/src/renderer/src/assets/styles/index.scss
+++ b/src/renderer/src/assets/styles/index.scss
@@ -38,7 +38,7 @@
   --topic-list-width: 250px;
   --settings-width: var(--assistants-width);
   --status-bar-height: 40px;
-  --input-bar-height: 120px;
+  --input-bar-height: 125px;
 }
 
 *,
diff --git a/src/renderer/src/components/app/Sidebar.tsx b/src/renderer/src/components/app/Sidebar.tsx
index ef30a43a8..6f2f0e382 100644
--- a/src/renderer/src/components/app/Sidebar.tsx
+++ b/src/renderer/src/components/app/Sidebar.tsx
@@ -44,14 +44,13 @@ const Container = styled.div`
   display: flex;
   flex-direction: column;
   align-items: center;
-  padding: 12px 0;
+  padding: 8px 0;
   min-width: var(--sidebar-width);
   min-height: 100%;
   -webkit-app-region: drag !important;
   background-color: #1f1f1f;
   border-right: 0.5px solid var(--color-border);
-  margin-top: var(--navbar-height);
-  padding-bottom: calc(var(--navbar-height) + 6px);
+  padding-top: var(--navbar-height);
 `
 
 const AvatarImg = styled.img`
@@ -60,6 +59,7 @@ const AvatarImg = styled.img`
   height: 28px;
   background-color: var(--color-background-soft);
   margin: 5px 0;
+  margin-top: 12px;
 `
 const MainMenus = styled.div`
   display: flex;
diff --git a/src/renderer/src/config/constant.ts b/src/renderer/src/config/constant.ts
index e69de29bb..a1d31d054 100644
--- a/src/renderer/src/config/constant.ts
+++ b/src/renderer/src/config/constant.ts
@@ -0,0 +1,3 @@
+export const DEFAULT_TEMPERATURE = 0.7
+export const DEFAULT_MAXTOKENS = 800
+export const DEFAULT_CONEXTCOUNT = 5
diff --git a/src/renderer/src/hooks/useProvider.ts b/src/renderer/src/hooks/useProvider.ts
index d4292148c..62c6760fc 100644
--- a/src/renderer/src/hooks/useProvider.ts
+++ b/src/renderer/src/hooks/useProvider.ts
@@ -9,9 +9,15 @@ import {
 } from '@renderer/store/llm'
 import { Assistant, Model, Provider } from '@renderer/types'
 import { useDefaultModel } from './useAssistant'
+import { createSelector } from '@reduxjs/toolkit'
+
+const selectEnabledProviders = createSelector(
+  (state) => state.llm.providers,
+  (providers) => providers.filter((p) => p.enabled)
+)
 
 export function useProviders() {
-  const providers = useAppSelector((state) => state.llm.providers.filter((p) => p.enabled))
+  const providers = useAppSelector(selectEnabledProviders)
   const dispatch = useAppDispatch()
 
   return {
diff --git a/src/renderer/src/i18n/index.ts b/src/renderer/src/i18n/index.ts
index 046d21a87..e7cfe431a 100644
--- a/src/renderer/src/i18n/index.ts
+++ b/src/renderer/src/i18n/index.ts
@@ -64,7 +64,18 @@ const resources = {
         'input.clear.content': 'Are you sure to clear all messages?',
         'input.placeholder': 'Type your message here...',
         'input.send': 'Send',
-        'input.pause': 'Pause'
+        'input.pause': 'Pause',
+        'input.settings': 'Settings',
+        'settings.temperature': 'Temperature',
+        'settings.temperature.tip':
+          'Lower values make the model more creative and unpredictable, while higher values make it more deterministic and precise.',
+        'settings.max_tokens': 'Max Tokens',
+        'settings.max_tokens.tip': 'The maximum number of tokens to generate in the completion.',
+        'settings.conext_count': 'Context',
+        'settings.conext_count.tip': 'The number of previous messages to keep in the context.',
+        'settings.reset': 'Reset',
+        'settings.set_as_default': 'Apply to default assistant',
+        'settings.max': 'Max'
       },
       apps: {
         title: 'Agents'
@@ -112,6 +123,7 @@ const resources = {
         'models.add.group_name.placeholder': 'Optional e.g. ChatGPT',
         'models.empty': 'No models found',
         'assistant.title': 'Default Assistant',
+        'assistant.model_params': 'Model Parameters',
         'about.description': 'A powerful AI assistant for producer',
         'about.updateNotAvailable': 'You are using the latest version',
         'about.checkingUpdate': 'Checking for updates...',
@@ -186,7 +198,20 @@ const resources = {
         'input.clear.content': '确定要清除所有消息吗?',
         'input.placeholder': '在这里输入消息...',
         'input.send': '发送',
-        'input.pause': '暂停'
+        'input.pause': '暂停',
+        'input.settings': '设置',
+        'settings.temperature': '模型温度',
+        'settings.temperature.tip':
+          '模型生成文本的随机程度。值越大，回复内容越赋有多样性、创造性、随机性；设为 0 根据事实回答。日常聊天建议设置为 0.7',
+        'settings.max_tokens': '最大回复',
+        'settings.max_tokens.tip':
+          '最大回复内容多少，数值越大，生成的文本越长。普通聊天建议 500-800；短文生成建议 800-2000；代码生成建议 2000-3600；长文生成建议切换模型到 4000 左右',
+        'settings.conext_count': '上下文数',
+        'settings.conext_count.tip':
+          '要保留在上下文中的消息数量，数值越大，上下文越长，消耗的 token 越多。普通聊天建议 5-10，代码生成建议 5-10',
+        'settings.reset': '重置',
+        'settings.set_as_default': '应用到默认助手',
+        'settings.max': '不限'
       },
       apps: {
         title: '智能体'
@@ -234,6 +259,7 @@ const resources = {
         'models.add.group_name.placeholder': '例如 ChatGPT',
         'models.empty': '没有模型',
         'assistant.title': '默认助手',
+        'assistant.model_params': '模型参数',
         'about.description': '一个为创造者而生的 AI 助手',
         'about.updateNotAvailable': '你的软件已是最新版本',
         'about.checkingUpdate': '正在检查更新...',
diff --git a/src/renderer/src/pages/home/components/AssistantSettings.tsx b/src/renderer/src/pages/home/components/AssistantSettings.tsx
new file mode 100644
index 000000000..55012eb93
--- /dev/null
+++ b/src/renderer/src/pages/home/components/AssistantSettings.tsx
@@ -0,0 +1,219 @@
+import { QuestionCircleOutlined } from '@ant-design/icons'
+import { DEFAULT_CONEXTCOUNT, DEFAULT_MAXTOKENS, DEFAULT_TEMPERATURE } from '@renderer/config/constant'
+import { useAssistants } from '@renderer/hooks/useAssistant'
+import { Assistant } from '@renderer/types'
+import { Button, Col, InputNumber, Popover, Row, Slider, Tooltip } from 'antd'
+import { FC, PropsWithChildren, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import styled from 'styled-components'
+
+interface Props {
+  assistant: Assistant
+}
+
+const PopoverContent: FC<Props> = ({ assistant }) => {
+  const { updateAssistant } = useAssistants()
+  const [temperature, setTemperature] = useState(assistant.settings?.temperature ?? DEFAULT_TEMPERATURE)
+  const [maxTokens, setMaxTokens] = useState(assistant.settings?.maxTokens ?? DEFAULT_MAXTOKENS)
+  const [contextCount, setConextCount] = useState(assistant.settings?.contextCount ?? DEFAULT_CONEXTCOUNT)
+  const { t } = useTranslation()
+
+  const onUpdateAssistantSettings = ({
+    _temperature,
+    _maxTokens,
+    _contextCount
+  }: {
+    _temperature?: number
+    _maxTokens?: number
+    _contextCount?: number
+  }) => {
+    updateAssistant({
+      ...assistant,
+      settings: {
+        ...assistant.settings,
+        temperature: _temperature ?? temperature,
+        maxTokens: _maxTokens ?? maxTokens,
+        contextCount: _contextCount ?? contextCount
+      }
+    })
+  }
+
+  const onTemperatureChange = (value) => {
+    if (!isNaN(value as number)) {
+      setTemperature(value)
+      onUpdateAssistantSettings({ _temperature: value })
+    }
+  }
+
+  const onMaxTokensChange = (value) => {
+    if (!isNaN(value as number)) {
+      setMaxTokens(value)
+      onUpdateAssistantSettings({ _maxTokens: value })
+    }
+  }
+
+  const onConextCountChange = (value) => {
+    if (!isNaN(value as number)) {
+      setConextCount(value)
+      onUpdateAssistantSettings({ _contextCount: value })
+    }
+  }
+
+  const onReset = () => {
+    setTemperature(DEFAULT_TEMPERATURE)
+    setMaxTokens(DEFAULT_MAXTOKENS)
+    setConextCount(DEFAULT_CONEXTCOUNT)
+    updateAssistant({
+      ...assistant,
+      settings: {
+        ...assistant.settings,
+        temperature: DEFAULT_TEMPERATURE,
+        maxTokens: DEFAULT_MAXTOKENS,
+        contextCount: DEFAULT_CONEXTCOUNT
+      }
+    })
+  }
+
+  return (
+    <Container>
+      <Row align="middle" style={{ marginBottom: 10 }} gutter={20}>
+        <Col span={5}>
+          <Row align="middle">
+            <Label>{t('assistant.settings.temperature')}</Label>
+            <Tooltip title={t('assistant.settings.temperature.tip')}>
+              <QuestionIcon />
+            </Tooltip>
+          </Row>
+        </Col>
+        <Col span={14}>
+          <Slider
+            min={0}
+            max={1.2}
+            onChange={onTemperatureChange}
+            value={typeof temperature === 'number' ? temperature : 0}
+            marks={{ 0: '0', 0.7: '0.7', 1: '1', 1.2: '1.2' }}
+            step={0.1}
+          />
+        </Col>
+        <Col span={4}>
+          <InputNumber
+            min={0}
+            max={1.2}
+            style={{ width: 70, marginLeft: 5, textAlign: 'center' }}
+            step={0.1}
+            value={temperature}
+            onChange={onTemperatureChange}
+            controls={false}
+          />
+        </Col>
+      </Row>
+      <Row align="middle" style={{ marginBottom: 10 }} gutter={20}>
+        <Col span={5}>
+          <Row align="middle">
+            <Label>{t('assistant.settings.conext_count')}</Label>
+            <Tooltip title={t('assistant.settings.conext_count.tip')}>
+              <QuestionIcon />
+            </Tooltip>
+          </Row>
+        </Col>
+        <Col span={14}>
+          <Slider
+            min={0}
+            max={20}
+            marks={{ 0: '0', 5: '5', 10: '10', 15: '15', 20: t('assistant.settings.max') }}
+            onChange={onConextCountChange}
+            value={typeof contextCount === 'number' ? contextCount : 0}
+            step={1}
+          />
+        </Col>
+        <Col span={4}>
+          <InputNumber
+            min={0}
+            max={20}
+            style={{ width: 70, marginLeft: 5, textAlign: 'center' }}
+            step={1}
+            value={contextCount}
+            onChange={onConextCountChange}
+            controls={false}
+          />
+        </Col>
+      </Row>
+      <Row align="middle" gutter={20}>
+        <Col span={5}>
+          <Row align="middle">
+            <Label>{t('assistant.settings.max_tokens')}</Label>
+            <Tooltip title={t('assistant.settings.max_tokens.tip')}>
+              <QuestionIcon />
+            </Tooltip>
+          </Row>
+        </Col>
+        <Col span={14}>
+          <Slider
+            min={0}
+            max={5000}
+            onChange={onMaxTokensChange}
+            value={typeof maxTokens === 'number' ? maxTokens : 0}
+            marks={{ 0: '0', 800: '800', 2000: '2000', 3600: '3600', 5000: t('assistant.settings.max') }}
+            step={64}
+          />
+        </Col>
+        <Col span={4}>
+          <InputNumber
+            min={0}
+            max={5000}
+            style={{ width: 70, marginLeft: 5, textAlign: 'center' }}
+            step={64}
+            value={maxTokens}
+            onChange={onMaxTokensChange}
+            controls={false}
+          />
+        </Col>
+      </Row>
+      <Row justify="center" style={{ marginTop: 10 }}>
+        <Button onClick={onReset} style={{ marginRight: 10 }}>
+          {t('assistant.settings.reset')}
+        </Button>
+      </Row>
+    </Container>
+  )
+}
+
+const AssistantSettings: FC<Props & PropsWithChildren> = ({ children, assistant }) => {
+  const [open, setOpen] = useState(false)
+  const { t } = useTranslation()
+
+  return (
+    <Popover content={<PopoverContent assistant={assistant} />} trigger="click" onOpenChange={setOpen}>
+      {open ? (
+        children
+      ) : (
+        <Tooltip placement="top" title={t('assistant.input.settings')} arrow>
+          {children}
+        </Tooltip>
+      )}
+    </Popover>
+  )
+}
+
+const Container = styled.div`
+  display: flex;
+  flex-direction: column;
+  margin-bottom: 8px;
+  width: 500px;
+  padding: 5px;
+`
+
+const Label = styled.p`
+  margin: 0;
+  font-size: 14px;
+  font-weight: bold;
+  margin-right: 5px;
+`
+
+const QuestionIcon = styled(QuestionCircleOutlined)`
+  font-size: 14px;
+  cursor: pointer;
+  color: var(--color-text-3);
+`
+
+export default AssistantSettings
diff --git a/src/renderer/src/pages/home/components/Chat.tsx b/src/renderer/src/pages/home/components/Chat.tsx
index 2e503cdda..6fbf70031 100644
--- a/src/renderer/src/pages/home/components/Chat.tsx
+++ b/src/renderer/src/pages/home/components/Chat.tsx
@@ -1,5 +1,5 @@
-import { Assistant } from '@renderer/types'
-import { FC } from 'react'
+import { Assistant, Message } from '@renderer/types'
+import { FC, useRef } from 'react'
 import styled from 'styled-components'
 import Inputbar from './Inputbar'
 import Messages from './Messages'
@@ -15,6 +15,7 @@ interface Props {
 const Chat: FC<Props> = (props) => {
   const { assistant } = useAssistant(props.assistant.id)
   const { activeTopic, setActiveTopic } = useActiveTopic(assistant)
+  const messagesRef = useRef<Message[]>([])
 
   if (!assistant) {
     return null
@@ -23,8 +24,8 @@ const Chat: FC<Props> = (props) => {
   return (
     <Container id="chat">
       <Flex vertical flex={1} justify="space-between">
-        <Messages assistant={assistant} topic={activeTopic} />
-        <Inputbar assistant={assistant} setActiveTopic={setActiveTopic} />
+        <Messages assistant={assistant} topic={activeTopic} messagesRef={messagesRef} />
+        <Inputbar assistant={assistant} setActiveTopic={setActiveTopic} messagesRef={messagesRef} />
       </Flex>
       <Topics assistant={assistant} activeTopic={activeTopic} setActiveTopic={setActiveTopic} />
     </Container>
diff --git a/src/renderer/src/pages/home/components/Inputbar.tsx b/src/renderer/src/pages/home/components/Inputbar.tsx
index 1922bdef2..b111d4bbd 100644
--- a/src/renderer/src/pages/home/components/Inputbar.tsx
+++ b/src/renderer/src/pages/home/components/Inputbar.tsx
@@ -1,7 +1,7 @@
 import { EVENT_NAMES, EventEmitter } from '@renderer/services/event'
 import { Assistant, Message, Topic } from '@renderer/types'
-import { uuid } from '@renderer/utils'
-import { FC, useCallback, useEffect, useRef, useState } from 'react'
+import { estimateTokenCount, uuid } from '@renderer/utils'
+import { FC, MutableRefObject, useCallback, useEffect, useRef, useState } from 'react'
 import styled from 'styled-components'
 import { MoreOutlined } from '@ant-design/icons'
 import { Button, Popconfirm, Tooltip } from 'antd'
@@ -13,7 +13,8 @@ import {
   FullscreenOutlined,
   HistoryOutlined,
   PauseCircleOutlined,
-  PlusCircleOutlined
+  PlusCircleOutlined,
+  SettingOutlined
 } from '@ant-design/icons'
 import TextArea, { TextAreaRef } from 'antd/es/input/TextArea'
 import { isEmpty } from 'lodash'
@@ -24,13 +25,15 @@ import store, { useAppSelector } from '@renderer/store'
 import { getDefaultTopic } from '@renderer/services/assistant'
 import { useTranslation } from 'react-i18next'
 import { setGenerating } from '@renderer/store/runtime'
+import AssistantSettings from './AssistantSettings'
 
 interface Props {
   assistant: Assistant
   setActiveTopic: (topic: Topic) => void
+  messagesRef: MutableRefObject<Message[]>
 }
 
-const Inputbar: FC<Props> = ({ assistant, setActiveTopic }) => {
+const Inputbar: FC<Props> = ({ assistant, setActiveTopic, messagesRef }) => {
   const [text, setText] = useState('')
   const { setShowRightSidebar } = useShowRightSidebar()
   const { addTopic } = useAssistant(assistant.id)
@@ -93,6 +96,8 @@ const Inputbar: FC<Props> = ({ assistant, setActiveTopic }) => {
     store.dispatch(setGenerating(false))
   }
 
+  const textCount = text.length === 0 ? '' : (text: string) => estimateTokenCount(text, assistant, messagesRef.current)
+
   // Command or Ctrl + N create new topic
   useEffect(() => {
     const onKeydown = (e) => {
@@ -148,6 +153,11 @@ const Inputbar: FC<Props> = ({ assistant, setActiveTopic }) => {
               </ToolbarButton>
             </Popconfirm>
           </Tooltip>
+          <AssistantSettings assistant={assistant}>
+            <ToolbarButton type="text">
+              <SettingOutlined />
+            </ToolbarButton>
+          </AssistantSettings>
           <Tooltip placement="top" title={expended ? t('assistant.input.collapse') : t('assistant.input.expand')} arrow>
             <ToolbarButton type="text" onClick={() => setExpend(!expended)}>
               {expended ? <FullscreenExitOutlined /> : <FullscreenOutlined />}
@@ -177,8 +187,19 @@ const Inputbar: FC<Props> = ({ assistant, setActiveTopic }) => {
         autoFocus
         contextMenu="true"
         variant="borderless"
-        styles={{ textarea: { paddingLeft: 0 } }}
+        showCount
+        count={{ strategy: textCount }}
         ref={inputRef}
+        styles={{
+          textarea: { paddingLeft: 0 },
+          count: {
+            position: 'absolute',
+            right: 5,
+            bottom: 5,
+            fontSize: 11,
+            display: text.length === 0 ? 'none' : 'block'
+          }
+        }}
       />
     </Container>
   )
diff --git a/src/renderer/src/pages/home/components/Messages.tsx b/src/renderer/src/pages/home/components/Messages.tsx
index 70de87a3f..0461dd5f7 100644
--- a/src/renderer/src/pages/home/components/Messages.tsx
+++ b/src/renderer/src/pages/home/components/Messages.tsx
@@ -1,7 +1,7 @@
 import { EVENT_NAMES, EventEmitter } from '@renderer/services/event'
 import { Assistant, Message, Topic } from '@renderer/types'
 import localforage from 'localforage'
-import { FC, useCallback, useEffect, useRef, useState } from 'react'
+import { FC, MutableRefObject, useCallback, useEffect, useRef, useState } from 'react'
 import styled from 'styled-components'
 import MessageItem from './Message'
 import { reverse } from 'lodash'
@@ -15,14 +15,15 @@ import { t } from 'i18next'
 interface Props {
   assistant: Assistant
   topic: Topic
+  messagesRef: MutableRefObject<Message[]>
 }
 
-const Messages: FC<Props> = ({ assistant, topic }) => {
+const Messages: FC<Props> = ({ assistant, topic, messagesRef }) => {
   const [messages, setMessages] = useState<Message[]>([])
   const [lastMessage, setLastMessage] = useState<Message | null>(null)
   const { updateTopic } = useAssistant(assistant.id)
   const provider = useProviderByAssistant(assistant)
-  const messagesRef = useRef<HTMLDivElement>(null)
+  const containerRef = useRef<HTMLDivElement>(null)
 
   const assistantDefaultMessage: Message = {
     id: 'assistant',
@@ -95,11 +96,12 @@ const Messages: FC<Props> = ({ assistant, topic }) => {
   }, [topic.id])
 
   useEffect(() => {
-    messagesRef.current?.scrollTo({ top: 100000, behavior: 'auto' })
-  }, [messages])
+    containerRef.current?.scrollTo({ top: 100000, behavior: 'auto' })
+    messagesRef.current = messages
+  }, [messages, messagesRef])
 
   return (
-    <Container id="messages" key={assistant.id} ref={messagesRef}>
+    <Container id="messages" key={assistant.id} ref={containerRef}>
       {lastMessage && <MessageItem message={lastMessage} />}
       {reverse([...messages]).map((message, index) => (
         <MessageItem key={message.id} message={message} showMenu index={index} onDeleteMessage={onDeleteMessage} />
diff --git a/src/renderer/src/pages/settings/AssistantSettings.tsx b/src/renderer/src/pages/settings/AssistantSettings.tsx
index 45c557f5a..01b93f273 100644
--- a/src/renderer/src/pages/settings/AssistantSettings.tsx
+++ b/src/renderer/src/pages/settings/AssistantSettings.tsx
@@ -1,15 +1,77 @@
-import { FC } from 'react'
-import { SettingContainer, SettingDivider, SettingSubtitle, SettingTitle } from './components'
-import { Input } from 'antd'
-import TextArea from 'antd/es/input/TextArea'
+import { QuestionCircleOutlined } from '@ant-design/icons'
+import { DEFAULT_CONEXTCOUNT, DEFAULT_MAXTOKENS, DEFAULT_TEMPERATURE } from '@renderer/config/constant'
 import { useDefaultAssistant } from '@renderer/hooks/useAssistant'
+import { Button, Col, Input, InputNumber, Row, Slider, Tooltip } from 'antd'
+import TextArea from 'antd/es/input/TextArea'
+import { FC, useState } from 'react'
 import { useTranslation } from 'react-i18next'
+import styled from 'styled-components'
+import { SettingContainer, SettingDivider, SettingSubtitle, SettingTitle } from './components'
 
 const AssistantSettings: FC = () => {
   const { defaultAssistant, updateDefaultAssistant } = useDefaultAssistant()
+  const [temperature, setTemperature] = useState(defaultAssistant.settings?.temperature || DEFAULT_TEMPERATURE)
+  const [maxTokens, setMaxTokens] = useState(defaultAssistant.settings?.maxTokens || DEFAULT_MAXTOKENS)
+  const [contextCount, setConextCount] = useState(defaultAssistant.settings?.contextCount || DEFAULT_CONEXTCOUNT)
 
   const { t } = useTranslation()
 
+  const onUpdateAssistantSettings = ({
+    _temperature,
+    _maxTokens,
+    _contextCount
+  }: {
+    _temperature?: number
+    _maxTokens?: number
+    _contextCount?: number
+  }) => {
+    updateDefaultAssistant({
+      ...defaultAssistant,
+      settings: {
+        ...defaultAssistant.settings,
+        temperature: _temperature || temperature,
+        maxTokens: _maxTokens || maxTokens,
+        contextCount: _contextCount || contextCount
+      }
+    })
+  }
+
+  const onTemperatureChange = (value) => {
+    if (!isNaN(value as number)) {
+      setTemperature(value)
+      onUpdateAssistantSettings({ _temperature: value })
+    }
+  }
+
+  const onMaxTokensChange = (value) => {
+    if (!isNaN(value as number)) {
+      setMaxTokens(value)
+      onUpdateAssistantSettings({ _maxTokens: value })
+    }
+  }
+
+  const onConextCountChange = (value) => {
+    if (!isNaN(value as number)) {
+      setConextCount(value)
+      onUpdateAssistantSettings({ _contextCount: value })
+    }
+  }
+
+  const onReset = () => {
+    setTemperature(DEFAULT_TEMPERATURE)
+    setMaxTokens(DEFAULT_MAXTOKENS)
+    setConextCount(DEFAULT_CONEXTCOUNT)
+    updateDefaultAssistant({
+      ...defaultAssistant,
+      settings: {
+        ...defaultAssistant.settings,
+        temperature: DEFAULT_TEMPERATURE,
+        maxTokens: DEFAULT_MAXTOKENS,
+        contextCount: DEFAULT_CONEXTCOUNT
+      }
+    })
+  }
+
   return (
     <SettingContainer>
       <SettingTitle>{t('settings.assistant.title')}</SettingTitle>
@@ -27,8 +89,110 @@ const AssistantSettings: FC = () => {
         value={defaultAssistant.prompt}
         onChange={(e) => updateDefaultAssistant({ ...defaultAssistant, prompt: e.target.value })}
       />
+      <SettingDivider />
+      <SettingSubtitle style={{ marginTop: 0 }}>{t('settings.assistant.model_params')}</SettingSubtitle>
+      <Row align="middle">
+        <Label>{t('assistant.settings.temperature')}</Label>
+        <Tooltip title={t('assistant.settings.temperature.tip')}>
+          <QuestionIcon />
+        </Tooltip>
+      </Row>
+      <Row align="middle" style={{ marginBottom: 10 }} gutter={20}>
+        <Col span={22}>
+          <Slider
+            min={0}
+            max={1.2}
+            onChange={onTemperatureChange}
+            value={typeof temperature === 'number' ? temperature : 0}
+            marks={{ 0: '0', 0.7: '0.7', 1: '1', 1.2: '1.2' }}
+            step={0.1}
+          />
+        </Col>
+        <Col span={2}>
+          <InputNumber
+            min={0}
+            max={1.2}
+            step={0.1}
+            value={temperature}
+            onChange={onTemperatureChange}
+            style={{ width: '100%' }}
+          />
+        </Col>
+      </Row>
+      <Row align="middle">
+        <Label>{t('assistant.settings.conext_count')}</Label>
+        <Tooltip title={t('assistant.settings.conext_count.tip')}>
+          <QuestionIcon />
+        </Tooltip>
+      </Row>
+      <Row align="middle" style={{ marginBottom: 10 }} gutter={20}>
+        <Col span={22}>
+          <Slider
+            min={0}
+            max={20}
+            marks={{ 0: '0', 5: '5', 10: '10', 15: '15', 20: t('assistant.settings.max') }}
+            onChange={onConextCountChange}
+            value={typeof contextCount === 'number' ? contextCount : 0}
+            step={1}
+          />
+        </Col>
+        <Col span={2}>
+          <InputNumber
+            min={0}
+            max={20}
+            step={1}
+            value={contextCount}
+            onChange={onConextCountChange}
+            style={{ width: '100%' }}
+          />
+        </Col>
+      </Row>
+      <Row align="middle">
+        <Label>{t('assistant.settings.max_tokens')}</Label>
+        <Tooltip title={t('assistant.settings.max_tokens.tip')}>
+          <QuestionIcon />
+        </Tooltip>
+      </Row>
+      <Row align="middle" gutter={20}>
+        <Col span={22}>
+          <Slider
+            min={0}
+            max={5000}
+            onChange={onMaxTokensChange}
+            value={typeof maxTokens === 'number' ? maxTokens : 0}
+            marks={{ 0: '0', 800: '800', 2000: '2000', 3600: '3600', 5000: t('assistant.settings.max') }}
+            step={64}
+          />
+        </Col>
+        <Col span={2}>
+          <InputNumber
+            min={0}
+            max={5000}
+            step={100}
+            value={maxTokens}
+            onChange={onMaxTokensChange}
+            style={{ width: '100%' }}
+          />
+        </Col>
+      </Row>
+      <Button onClick={onReset} style={{ width: 100, marginTop: 20 }}>
+        {t('assistant.settings.reset')}
+      </Button>
     </SettingContainer>
   )
 }
 
+const Label = styled.p`
+  margin: 0;
+  font-size: 14px;
+  font-weight: bold;
+  margin-right: 5px;
+`
+
+const QuestionIcon = styled(QuestionCircleOutlined)`
+  font-size: 14px;
+  cursor: pointer;
+  color: var(--color-text-3);
+`
+
 export default AssistantSettings
diff --git a/src/renderer/src/services/ProviderSDK.ts b/src/renderer/src/services/ProviderSDK.ts
index a1247dac5..a770366a8 100644
--- a/src/renderer/src/services/ProviderSDK.ts
+++ b/src/renderer/src/services/ProviderSDK.ts
@@ -6,7 +6,7 @@ import { ChatCompletionCreateParamsNonStreaming, ChatCompletionMessageParam } fr
 import { sum, takeRight } from 'lodash'
 import { MessageCreateParamsNonStreaming, MessageParam } from '@anthropic-ai/sdk/resources'
 import { EVENT_NAMES } from './event'
-import { removeQuotes } from '@renderer/utils'
+import { getAssistantSettings, removeQuotes } from '@renderer/utils'
 
 export default class ProviderSDK {
   provider: Provider
@@ -32,10 +32,11 @@ export default class ProviderSDK {
   ) {
     const defaultModel = getDefaultModel()
     const model = assistant.model || defaultModel
+    const { contextCount, maxTokens } = getAssistantSettings(assistant)
 
     const systemMessage = assistant.prompt ? { role: 'system', content: assistant.prompt } : undefined
 
-    const userMessages = takeRight(messages, 5).map((message) => ({
+    const userMessages = takeRight(messages, contextCount).map((message) => ({
       role: message.role,
       content: message.content
     }))
@@ -43,9 +44,10 @@ export default class ProviderSDK {
     if (this.isAnthropic) {
       await this.anthropicSdk.messages
         .stream({
-          max_tokens: 2048,
+          model: model.id,
           messages: [systemMessage, ...userMessages].filter(Boolean) as MessageParam[],
-          model: model.id
+          max_tokens: assistant.settings?.maxTokens || maxTokens,
+          temperature: assistant.settings?.temperature
         })
         .on('text', (text) => onChunk({ text: text || '' }))
         .on('finalMessage', (message) =>
@@ -61,7 +63,9 @@ export default class ProviderSDK {
       const stream = await this.openaiSdk.chat.completions.create({
         model: model.id,
         messages: [systemMessage, ...userMessages].filter(Boolean) as ChatCompletionMessageParam[],
-        stream: true
+        stream: true,
+        max_tokens: assistant.settings?.maxTokens,
+        temperature: assistant.settings?.temperature
       })
       for await (const chunk of stream) {
         if (window.keyv.get(EVENT_NAMES.CHAT_COMPLETION_PAUSED)) break
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index 48fcc123f..cf5a7cd0d 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -7,6 +7,13 @@ export type Assistant = {
   prompt: string
   topics: Topic[]
   model?: Model
+  settings?: AssistantSettings
+}
+
+export type AssistantSettings = {
+  contextCount: number
+  temperature: number
+  maxTokens: number
 }
 
 export type Message = {
diff --git a/src/renderer/src/utils/index.ts b/src/renderer/src/utils/index.ts
index 1633a9472..a48014fc7 100644
--- a/src/renderer/src/utils/index.ts
+++ b/src/renderer/src/utils/index.ts
@@ -1,6 +1,9 @@
 import { v4 as uuidv4 } from 'uuid'
 import imageCompression from 'browser-image-compression'
-import { Model } from '@renderer/types'
+import { Assistant, AssistantSettings, Message, Model } from '@renderer/types'
+import { GPTTokens } from 'gpt-tokens'
+import { DEFAULT_CONEXTCOUNT, DEFAULT_MAXTOKENS, DEFAULT_TEMPERATURE } from '@renderer/config/constant'
+import { take } from 'lodash'
 
 export const runAsyncFunction = async (fn: () => void) => {
   await fn()
@@ -164,3 +167,33 @@ export function getFirstCharacter(str) {
     return char
   }
 }
+
+export const getAssistantSettings = (assistant: Assistant): AssistantSettings => {
+  return {
+    contextCount: assistant.settings?.contextCount ?? DEFAULT_CONEXTCOUNT,
+    temperature: assistant.settings?.temperature ?? DEFAULT_TEMPERATURE,
+    maxTokens: assistant.settings?.maxTokens ?? DEFAULT_MAXTOKENS
+  }
+}
+
+export function estimateTokenCount(text: string, assistant: Assistant, msgs: Message[]) {
+  const { contextCount } = getAssistantSettings(assistant)
+
+  console.debug('contextCount', contextCount)
+
+  const input = new GPTTokens({
+    model: 'gpt-4o',
+    messages: [{ role: 'user', content: text }]
+  })
+
+  const all = new GPTTokens({
+    model: 'gpt-4o',
+    messages: [
+      { role: 'system', content: assistant.prompt },
+      { role: 'user', content: text },
+      ...take(msgs, contextCount).map((message) => ({ role: message.role, content: message.content }))
+    ]
+  })
+
+  return `Token ${input.usedTokens - 7} / ${all.usedTokens}` as unknown as number
+}
diff --git a/yarn.lock b/yarn.lock
index 45c6df60f..8b52e3057 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3440,6 +3440,7 @@ __metadata:
     eslint-plugin-react: "npm:^7.34.3"
     eslint-plugin-react-hooks: "npm:^4.6.2"
     eslint-plugin-unused-imports: "npm:^4.0.0"
+    gpt-tokens: "npm:^1.3.6"
     i18next: "npm:^23.11.5"
     localforage: "npm:^1.10.0"
     lodash: "npm:^4.17.21"
@@ -3797,6 +3798,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"decimal.js@npm:^10.4.3":
+  version: 10.4.3
+  resolution: "decimal.js@npm:10.4.3"
+  checksum: 10c0/6d60206689ff0911f0ce968d40f163304a6c1bc739927758e6efc7921cfa630130388966f16bf6ef6b838cb33679fbe8e7a78a2f3c478afce841fd55ac8fb8ee
+  languageName: node
+  linkType: hard
+
 "decode-named-character-reference@npm:^1.0.0":
   version: 1.0.2
   resolution: "decode-named-character-reference@npm:1.0.2"
@@ -5241,6 +5249,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"gpt-tokens@npm:^1.3.6":
+  version: 1.3.6
+  resolution: "gpt-tokens@npm:1.3.6"
+  dependencies:
+    decimal.js: "npm:^10.4.3"
+    js-tiktoken: "npm:^1.0.10"
+    openai-chat-tokens: "npm:^0.2.8"
+  checksum: 10c0/0efc1da655a16a306df4f17646832693d7cbec569fe44d4fcc9d4a605f8614f1eb974e04b24a4e8c71095fe0fab6de7251a34c6e2d6805a5e1b5811eea37437b
+  languageName: node
+  linkType: hard
+
 "graceful-fs@npm:^4.1.6, graceful-fs@npm:^4.2.0, graceful-fs@npm:^4.2.6":
   version: 4.2.11
   resolution: "graceful-fs@npm:4.2.11"
@@ -6067,6 +6086,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"js-tiktoken@npm:^1.0.10, js-tiktoken@npm:^1.0.7":
+  version: 1.0.12
+  resolution: "js-tiktoken@npm:1.0.12"
+  dependencies:
+    base64-js: "npm:^1.5.1"
+  checksum: 10c0/7afb4826e21342386a1884754fbc1c1828f948c4dd0ab093bf778d1323e65343bd5343d15f7cda46af396f1fe4a0297739936149b7c40a0601eefe3fcaef8727
+  languageName: node
+  linkType: hard
+
 "js-tokens@npm:^3.0.0 || ^4.0.0, js-tokens@npm:^4.0.0":
   version: 4.0.0
   resolution: "js-tokens@npm:4.0.0"
@@ -7194,6 +7222,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"openai-chat-tokens@npm:^0.2.8":
+  version: 0.2.8
+  resolution: "openai-chat-tokens@npm:0.2.8"
+  dependencies:
+    js-tiktoken: "npm:^1.0.7"
+  checksum: 10c0/b415fda706b408f29b4584998990f29ad7f80f2ac1e84179a0976742ba8a80859fedeae5745a9bfe73443d95960b77328610074952ad198a18bc0e5c0ceb5b7b
+  languageName: node
+  linkType: hard
+
 "openai@npm:^4.52.1":
   version: 4.52.1
   resolution: "openai@npm:4.52.1"