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Data from public sources. May not reflect real-time pricing.

xAIAug 26, 2025

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.

Context Window
256K
tokens
Max Output
10K
tokens
Released
Aug 26, 2025
Arena Rank
—

Capabilities

👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation

Supported Parameters

Include Reasoning
Show reasoning tokens
Log Probs
Token probabilities
Max Tokens
Output length limit
Reasoning
Extended thinking
Response Format
JSON mode / structured output
Seed
Deterministic outputs
Stop Sequences
Custom stop tokens
structured_outputs
Temperature
Controls randomness
Tool Choice
Control tool usage
Tool Calling
Function calling support
top_logprobs
Top P
Nucleus sampling

Pricing Comparison

RouterInput / 1MOutput / 1MCached Input / 1M
Requesty★$0.20$1.50$0.02
OpenRouter$0.20$1.50$0.02
Vercel AI$0.20$1.50—
Martian$0.20$1.50$0.02

Model IDs

Requestyxai/grok-code-fast-1
OpenRouterx-ai/grok-code-fast-1

Tags

visiontool-callingcaching
Compare with another model

Compare with…

Grok 4 1 Fast Non ReasoningxAI: Grok 4.1 FastGrok 4 Fast Non Reasoning

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