Model
Grok 4.3
by xAI (Grok)
Family
Grok 4
Context window
1,000,000 tokens
Open weights
No
Release date
2026-04-30
Benchmark notes
xAI's flagship agentic model; achieves 98% on τ²-Bench Telecom and 1500 ELO on GDPval-AA benchmarks.
xAI's flagship agentic model; achieves 98% on τ²-Bench Telecom and 1500 ELO on GDPval-AA benchmarks.