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xAI Grok
Grok 4.1 Fast Reasoning
Fast reasoning model optimized for quick analytical responses.
reasoningfast
Provider
xAI Grok
Strengths
reasoning, fast
Modalities
text, image
Context window
2.0M tokens
Max output
30k tokens
Actions/tools
Supported
Build with Grok 4.1 Fast Reasoning
Launch a project in a few clicks
1. Open the builder with Grok 4.1 Fast Reasoning preselected.
2. Pick a template or paste your prompt.
3. Ship to web, API, or embed.
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