diff --git a/src/main/java/io/github/stefanbratanov/jvm/openai/EmbeddingsRequest.java b/src/main/java/io/github/stefanbratanov/jvm/openai/EmbeddingsRequest.java
index ef982e7..29669ed 100644
--- a/src/main/java/io/github/stefanbratanov/jvm/openai/EmbeddingsRequest.java
+++ b/src/main/java/io/github/stefanbratanov/jvm/openai/EmbeddingsRequest.java
@@ -5,7 +5,11 @@
 import java.util.Optional;
 
 public record EmbeddingsRequest(
-    List<Object> input, String model, Optional<String> encodingFormat, Optional<String> user) {
+    List<Object> input,
+    String model,
+    Optional<String> encodingFormat,
+    Optional<Integer> dimensions,
+    Optional<String> user) {
 
   public static Builder newBuilder() {
     return new Builder();
@@ -16,6 +20,7 @@ public static class Builder {
     private List<Object> input;
     private String model;
     private Optional<String> encodingFormat = Optional.empty();
+    private Optional<Integer> dimensions = Optional.empty();
     private Optional<String> user = Optional.empty();
 
     /**
@@ -58,6 +63,15 @@ public Builder encodingFormat(String encodingFormat) {
       return this;
     }
 
+    /**
+     * @param dimensions The number of dimensions the resulting output embeddings should have. Only
+     *     supported in text-embedding-3 and later models.
+     */
+    public Builder dimensions(int dimensions) {
+      this.dimensions = Optional.of(dimensions);
+      return this;
+    }
+
     /**
      * @param user A unique identifier representing your end-user, which can help OpenAI to monitor
      *     and detect abuse.
@@ -74,7 +88,7 @@ public EmbeddingsRequest build() {
       if (model == null) {
         throw new IllegalStateException("model must be set");
       }
-      return new EmbeddingsRequest(List.copyOf(input), model, encodingFormat, user);
+      return new EmbeddingsRequest(List.copyOf(input), model, encodingFormat, dimensions, user);
     }
   }
 }
diff --git a/src/test/java/io/github/stefanbratanov/jvm/openai/TestDataUtil.java b/src/test/java/io/github/stefanbratanov/jvm/openai/TestDataUtil.java
index d5ce23d..79e0804 100644
--- a/src/test/java/io/github/stefanbratanov/jvm/openai/TestDataUtil.java
+++ b/src/test/java/io/github/stefanbratanov/jvm/openai/TestDataUtil.java
@@ -83,8 +83,9 @@ public EmbeddingsRequest randomEmbeddingsRequest() {
         () -> builder.input(randomIntArray(randomInt(1, 5))),
         () -> builder.input(listOf(randomInt(1, 10), () -> randomIntArray(randomInt(1, 5)))));
     return builder
-        .model(randomModel())
+        .model(oneOf("text-embedding-ada-002", "text-embedding-3-small", "text-embedding-3-large"))
         .encodingFormat(oneOf("float", "base64"))
+        .dimensions(randomInt(1, 10))
         .user(randomString(10))
         .build();
   }