xAI · Grok Build
xAI's fast, low-cost coding model (successor to Grok Code Fast 1) used by the Grok Build agent; AA snapshot 0616.
Leader: Claude Opus 5.5 at 58
Leader: Claude Fable 5.1 at 91.4%
Leader: Muse Wonder Full at 1857
Leader: Claude Sonnet 5.5 at 64.5%
Leader: GPT-6 Astra at 96.1%
Leader: Muse Wonder Full at 33%
Leader: Kimi K3 at 88.7%
Leader: Claude Opus 5.5 at 87.7%
Leader: Claude Opus 5.5 at 1818
| Result | Score | Reported by | Source |
|---|---|---|---|
| AA-Omniscience Index · default | 6.4 index (-100 to 100) | independent | Artificial Analysis: Grok Build 0.1 0616 ↗ |