ToolsThe story, in brief
xAI Releases Grok Skills and Updates Tool Calling Responses API
xAI just shipped persistent memory for Grok. Custom expertise now sticks across all conversations.
The KeyNews take
Why it matters
xAI is expanding Grok's product surface with stateful skills and enhanced API tooling, positioning it as a competitive alternative to OpenAI's GPT and Anthropic's Claude in the enterprise application layer.
The key facts
4 to knowGrok Skills: persistent custom expertise retained across conversations
Responses API enhancements for Grok 4.3
Feature targets multi-turn, context-aware enterprise workflows
Release date: May 22, 2026
Go to the source
InfoQ AI/MLinfoq.com
Publisher excerpt: xAI has released Grok Skills together with enhancements to the Responses API for Grok 4.3, enabling persistent custom expertise that the model retains across all conversations. By Daniel Dominguez