xAI Coding Light Closed weights

Grok Build 0.1

177 days since xAI announced it · 19 May 2026

Grok Build 0.1 is a closed-weights coding model from xAI, announced 19 May 2026. It costs $1 per 1M input tokens and $2 per 1M output tokens.

Input: $1; per 1M tokens
Cache write: —; per 1M tokens
Cache read: —; per 1M tokens
Output: $2; per 1M tokens
Context window: —; tokens
Parameters: —; not disclosed

Announcement: x.ai/news/grok-build-0-1
Docs: docs.x.ai/developers/release-notes

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xAI · Light · Grok Build

closed weights

Grok Build 0.1 19 May 2026

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Facts last updated 7 Nov 2026, from xAI’s own pages.