Grok 4.20 0309: benchmark results

Provider: xAI. Released 2026-03-09. Access: API.

Unified ELO 1656 ± 1, rank #129 of 1553 rated models, from 126 benchmark results.

Interactive version: theaggregate.ai/model?slug=grok-4-20-0309 · How It Works · Data refreshed daily, snapshot 2026-09-08.