xAI· GrokAPI release

Grok 4.1 Fast and Agent Tools API

xAI announces Grok 4.1 Fast and Agent Tools API, bringing next-generation tool-calling agents to the xAI API.

From the source

Grok 4.1 Fast and Agent Tools API Bringing the next generation of tool-calling agents to the xAI API Nov 19, 2025

x.ai

Announced

19 Nov 2025 00:00 UTC

Detected

04 Aug 2026 08:05 UTC (+258d after)