Benchmark27 Aug 2026 00:00 UTC · 33d ago

Epoch AI evaluates Grok 4.3 Beta

SimpleQA Verified 33.2%

Type: BENCHMARK_RESULT
Detection: benchmark
Confidence: high
Status

Related entities

Primary source

Epoch AI Benchmarking Hub · logs.epoch.ai/inspect-viewer/36231d6d/viewer.html?log_file=https%3A%2F ↗

Independent benchmark runs (GPQA Diamond, SWE-bench Verified, FrontierMath, ...) plus externally reported leaderboards and the Epoch Capabilities Index (ECI).

Related events

Model launch6mo ago
xAI releases Grok 4.3 Beta
Epoch AI Benchmarking HubGrok 4.3 Beta xAI