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Grok Code Fast 1

OpenCode

Grok Code Fast 1 by OpenCode costs $0.00 per 1M input tokens and $0.00 per 1M output tokens, with a 256K-token context window.

Pricing

Input (per 1M tokens)
$0.00
Output (per 1M tokens)
$0.00
Cached input (per 1M)
$0.00
ProviderInput / 1MOutput / 1M
OpenCode Zen$0.00$0.00
OpenCode$0.00$0.00

Specifications

Provider
OpenCode
Context window
256K tokens
Parameters
—
Released
Aug 2025
Open weights
No
Frontier model
No

Benchmarks

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FAQ

How much does Grok Code Fast 1 cost?

Grok Code Fast 1 is priced at $0.00 per 1M input tokens and $0.00 per 1M output tokens. Output tokens cost more than input.

What is Grok Code Fast 1's context window?

Grok Code Fast 1 supports a context window of 256K tokens — the maximum prompt plus response length it can handle in a single request.

Is Grok Code Fast 1 open weight?

No — Grok Code Fast 1 is a closed/proprietary model accessed via API.

Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.