Grok Code Fast 1
Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality work flows.
Input
Output
Context
256K
Max Output
10K
Parameters
—
Technical Specifications
Model TypeChat
Context Window256K
Max Output Tokens10K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
text
Output Modalities
text
Features
code_completioncode_generationcode_reviewfunction_callingreasoningstreamingstructured_output
Benchmarks
7.5%
HLE
72.7%
GPQA
36.2%
SciCode
79.3%
MMLU Pro
43.3
Math
23.7
Coding
65.7%
LiveCodeBench
28.7
Intelligence
144
Speed (tok/s)
3.4
TTFA (s)
3.4
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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