Grok 4.20 Beta (0309) — benchmark results

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

Unified ELO 1656 ± 23, rank #222 of 1488 rated models, from 64 benchmark results.

Interactive version: theaggregate.ai/model?slug=grok-4-20-beta-0309 · How the rankings work · Data refreshed daily, snapshot 2026-07-22.