Grok 4.6: benchmark results

xAI's Grok 4.6 (August 12, 2026), a flagship model for long-running agentic and visual tasks, with a 500,000-token context and a February 2026 knowledge cutoff. Provider: xAI. Released 2026-08-12. Access: API.

Aggregate Rating 1864 ± 5, rank #26 of 1656 rated models, from 593 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
AI for Education Pedagogy - Science96.72Accuracy (%)100
Benchmarks.bio - BioSecBench-Refusal64.2Pass Rate (%)100
Benchmarks.bio - SpatialBench77.39Pass Rate (%)100
ExplorationBench - AlienLogic83.8Held-out accuracy after exploration (%; Best@3: the highest 100
FlavourBench65.07FlavourBench Score (0-100)100
FlavourBench - Constraint58.21Constraint Family Score (0-100)100
FrontierChallenge (Claude Code)20.6Pass Rate (%)100
IndicBankBench - Bad Tool Response69.44Strict pass^3 (%; 36 cases passed out of the 36 cases of the100
IndicBankBench - Not Enough Info62.3Strict pass^3 (%; 61 cases passed out of the 61 cases of the100
IndicBankBench - Out-of-Scope Refusal77.5Strict pass^3 (%; 40 cases passed out of the 40 cases of the100
Insurance Agent Benchmark (Model Alone)77.6Judge Accuracy (%)100
MERA v2 - Agentic85.5Score (%)100

Interactive version: theaggregate.ai/model?slug=grok-4-6 · How It Works · Data refreshed daily, snapshot 2026-10-20.