xAI launches Grok 4.1 Fast with Agent Tools API
Action Required
Developers can now build more sophisticated AI applications leveraging xAI's models and the Agent Tools API.
AI Impact Summary
xAI is releasing Grok 4.1 Fast, a significant capability update that expands the context window to 2M tokens and introduces the Agent Tools API. This enables developers to build real-time search, code execution, and autonomous tool calling applications, opening up new use cases for enterprise AI. The inclusion of OpenRouter trial access provides a low-friction entry point for experimentation and integration.
Affected Systems
- Date
- Date not specified
- Change type
- capability
- Severity
- critical