diff --git a/.changeset/blue-islands-hunt.md b/.changeset/blue-islands-hunt.md
new file mode 100644
index 000000000000..37cd0922e520
--- /dev/null
+++ b/.changeset/blue-islands-hunt.md
@@ -0,0 +1,5 @@
+---
+"@ai-sdk/mistral": patch
+---
+
+Add support for mistral-medium-3.5
diff --git a/content/docs/02-foundations/02-providers-and-models.mdx b/content/docs/02-foundations/02-providers-and-models.mdx
index afc0744cea3b..b9b154ea126a 100644
--- a/content/docs/02-foundations/02-providers-and-models.mdx
+++ b/content/docs/02-foundations/02-providers-and-models.mdx
@@ -142,7 +142,9 @@ Here are the capabilities of popular models:
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `pixtral-large-latest`                      | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-large-latest`                      | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-medium-latest`                     | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
+| [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-medium-3`                          | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-medium-2505`                       | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
+| [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-medium-3.5`                        | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `mistral-small-latest`                      | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [Mistral](/providers/ai-sdk-providers/mistral)     | `pixtral-12b-2409`                          | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | [DeepSeek](/providers/ai-sdk-providers/deepseek)   | `deepseek-chat`                             | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
diff --git a/content/providers/01-ai-sdk-providers/20-mistral.mdx b/content/providers/01-ai-sdk-providers/20-mistral.mdx
index 58923ed47de6..7d62afd0da4f 100644
--- a/content/providers/01-ai-sdk-providers/20-mistral.mdx
+++ b/content/providers/01-ai-sdk-providers/20-mistral.mdx
@@ -303,8 +303,10 @@ const result = await generateText({
 | `pixtral-large-latest`  | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `mistral-large-latest`  | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `mistral-medium-latest` | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
+| `mistral-medium-3`      | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `mistral-medium-2508`   | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `mistral-medium-2505`   | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
+| `mistral-medium-3.5`    | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `mistral-small-latest`  | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `magistral-small-2507`  | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
 | `magistral-medium-2507` | <Cross size={18} /> | <Check size={18} /> | <Check size={18} /> | <Check size={18} /> |
diff --git a/packages/mistral/src/mistral-chat-language-model-options.ts b/packages/mistral/src/mistral-chat-language-model-options.ts
index 4278ea1d0be9..2a1d15beeb33 100644
--- a/packages/mistral/src/mistral-chat-language-model-options.ts
+++ b/packages/mistral/src/mistral-chat-language-model-options.ts
@@ -7,12 +7,14 @@ export type MistralChatModelId =
   | 'ministral-14b-latest'
   | 'mistral-large-latest'
   | 'mistral-medium-latest'
+  | 'mistral-medium-3'
   | 'mistral-large-2512'
   | 'mistral-medium-2508'
   | 'mistral-medium-2505'
   | 'mistral-small-2506'
   | 'pixtral-large-latest'
   // reasoning config support models
+  | 'mistral-medium-3.5'
   | 'mistral-small-latest'
   | 'mistral-small-2603'
   // reasoning models
diff --git a/packages/mistral/src/mistral-chat-language-model.ts b/packages/mistral/src/mistral-chat-language-model.ts
index a3c74b324d97..ff42e9af89f1 100644
--- a/packages/mistral/src/mistral-chat-language-model.ts
+++ b/packages/mistral/src/mistral-chat-language-model.ts
@@ -126,7 +126,9 @@ export class MistralChatLanguageModel implements LanguageModelV4 {
 
     const supportsReasoningEffort =
       this.modelId === 'mistral-small-latest' ||
-      this.modelId === 'mistral-small-2603';
+      this.modelId === 'mistral-small-2603' ||
+      this.modelId === 'mistral-medium-3' ||
+      this.modelId === 'mistral-medium-3.5';
 
     let resolvedReasoningEffort: string | undefined;
     if (supportsReasoningEffort) {