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Models / xAI

Grok Build 0.1

GA

Coding-focused model. Aliases: grok-code-fast-1, grok-code-fast, grok-code-fast-1-0825 (the retired grok-code-fast-1 slug now redirects here). Modality 'text, image -> text'. 256k context window. Pricing $1.00/$2.00 per M with $0.20/M cached input, confirmed on official model page. Max output tokens, knowledge cutoff and release date not published on docs; a third-party source cites a 2026-05-29 launch (uncorroborated by official docs).

Provider
xAI
Status
GA
Input price
$1 / 1M tokens
Output price
$2 / 1M tokens
Cached input
$0.2 / 1M tokens
Blended price
$1.25 / 1M tokens
Context window
256,000 tokens (256K)
Max output
—
Modality
text-in, image-in, text-out
Knowledge cutoff
—
Released
—
API string
grok-build-0.1

Source: xAI official documentation ↗

See also

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