Releasesby GlyphResponses API is generally available
You can now use our stateful Responses API to process requests.
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Tools are now generally available
New agentic server-side tools including web_search, x_search, and code_execution are available. For more details, check out our guide on using Tools.
Grok 4.1 Fast is available in Enterprise API
You can now use Grok 4.1 Fast in the xAI Enterprise API. For more details, check out our blogpost.
Agent tools adapt to Grok 4.1 Fast models and tool prices dropped
- 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.
Files API is generally available
You can now upload files and use them in chat conversations with the Files API. For more details, check out our guide on Files.
New Tools Available
- Collections Search Tool: You can now search through uploaded knowledge bases (collections) in chat conversations via the API. For more details, check out the docs. Remote MCP Tools: You can now use tools from remote MCP servers in chat conversations via the API. For more details, check out the docs.
Grok Speech to Speech API is released
Grok Speech to Speech API is generally available. Visit Grok Speech to Speech API for guidance on using the API.