xAI releases grok-code-fast-1
AIMade by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made
grok-code-fast-1 released — an agentic coding model; $0.20/M input and $1.50/M output; 70.8% on SWE-Bench-Verified (the announcement states this was measured with xAI's own harness)
Why it matters
A strategy of giving away a low-cost coding model through Copilot, Cursor, Cline and others to win market share first
Source — Primary sources first; secondary reports are labelled “Press”
Officialx.aihttps://x.ai/news/grok-code-fast-1Added in Week 35, 2026 · See that week
On the map — ⑥ Reasoning Models line
- Previous stopAnthropic releases Claude Opus 4 and Claude Sonnet 4
- This recordgrok-code-fast-1
- Next stopClaude Haiku 4.5
In the model family tree — Grok family · 11 versions
- Earlier versionGrok 4 / Grok 4 Heavy
- This recordgrok-code-fast-1
- Later versionGrok 4 Fast