Release notes
xAI's official release notes for Grok: new Grok models and what changed for developers building with them.
Grok API·Dec 1, 2025
Grok Speech to Speech API is generally available. Visit Grok Speech to Speech API for guidance on using the API.
Grok API·Nov 1, 2025
You can now upload files and use them in chat conversations with the Files API.
Collections Search Tool: You can now search through uploaded knowledge bases (collections) in chat conversations via the API. Remote MCP Tools: You can now use tools from remote MCP servers in chat conversations via the API. Mixing client-side and server-side tools: You can now mix client-side and server-side tools in the same chat conversation.
New model·Nov 1, 2025
You can now use Grok 4.1 Fast models with the agent tools, check out the documentation of agent tools to get started. The price of agent tools drops by up to 50% to no more than $5 per 1000 successful calls, see the new prices at the pricing page.
New model·Nov 1, 2025Announcement
You can now use Grok 4.1 Fast in the xAI Enterprise API.
Grok API·Oct 1, 2025
New agentic server-side tools including web_search, x_search, and code_execution are available.
Grok API·Sep 1, 2025
You can now use our stateful Responses API to process requests.
Grok API·Aug 1, 2025
You can upload files, create embeddings, and use them for inference with our Collections API.
New model·Jul 1, 2025
You can now use Grok 4 via our API or on https://grok.com.
Grok API·Jun 1, 2025
You can manage your API keys via Management API at https://management-api.x.ai.
Grok API·May 1, 2025
You can now use cached prompt to save on repeated prompts. For more info, see models.
Live search is now available on API. Users can generate completions with queries on supported data sources.
New model·Apr 1, 2025
Our latest flagship Grok 3 models are now generally available via the API. For more info, see models.
New model·Mar 1, 2025
The image generation model is available on API. Visit Image Generations for more details on using the model.
Grok API·Feb 1, 2025
Team admins can now view audit logs on console.x.ai.
Grok API·Jan 1, 2025
Released dark mode support on docs.x.ai
Check service statuses across all SpaceXAI products at status.x.ai.
Grok API·Dec 1, 2024
Replit Agents can now integrate with xAI! Start empowering your agents with Grok. Check out the announcement for more information.
We're excited to announce that Grok now supports structured outputs. Grok can now format responses in a predefined, organized format rather than free-form text. 1.
Understanding tokens can be hard. Check out console.x.ai to get a better understanding of what counts as a token.
New model·Dec 1, 2024
A month ago, we launched the public beta of our enterprise API with grok-beta and grok-vision-beta. We’re adding grok-2-1212 and grok-2-vision-1212, offering better accuracy, instruction-following, and multilingual capabilities.
Grok API·Nov 1, 2024
We are happy to announce the immediate availability of our API, which gives developers programmatic access to our Grok series of foundation models. To get started, head to console.x.ai and sign up to create an account. We are excited to see what developers build using Grok.
Our API is now available through LangChain! Python Docs: https://python.langchain.com/integrations/providers/xai/ Javascript Docs: https://js.langchain.com/integrations/chat/xai/ What are you going to build?