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xAI

Grok Code Fast 1

xAI · Grok Code line · coding

Released August 26, 2025Replaced by Grok Build 0.1

Grok Code Fast 1 was released by xAI on August 26, 2025, as a coding model in the Grok Code line.

  • Release 1 of 2 in the Grok Code line.
  • The first release in this line.
  • Replaced by Grok Build 0.1 on May 20, 2026, 267 days later.
  • These days the line ships a new model about every 267 days.

No detailed card for this model: we only add numbers published by the maker or by independent benchmarks. Sources: xAI · GitHub

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Where the Grok Code line stands

Grok Build 0.1 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

xAI

Grok Build 0.1

xAI · Grok Code line · coding
Mid-cycle139 of ~267 days into its usual cycle
Released May 20, 2026 · what changed →
Days since last release
Grok Build 0.1 · May 20, 2026
139
days
Usual gap
267
days
Recent gaps
Grok Build 0.1 · May 2026
267

Every Grok Code release

Newest first. See the full line with every card →

  1. May 20, 2026Grok Build 0.1
  2. Aug 26, 2025Grok Code Fast 1 · this page