Grok Code Fast 1

What is 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...

Specifications

• Developer: xAI
• Context window: 256K tokens
• Max output: 10K tokens
• Input modalities: text
• Output modalities: text
• Input price: $0.2000 per 1M tokens
• Output price: $1.50 per 1M tokens
• Knowledge cutoff: 2025-09-30
• Supported parameters: include_reasoning, logprobs, max_tokens, reasoning, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p

Use Grok Code Fast 1 with PromptLayer

PromptLayer lets teams manage, evaluate, and observe prompts that run on Grok Code Fast 1 alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.

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