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Explore Grok 4 Heavy’s published benchmark results and provider offerings below. More comparable task results are needed to describe its strongest areas.

Updated: Data as of:

Strongest results

More comparable benchmark results are needed.

Model details

Proprietary1 benchmarks
Specifications for Grok 4 Heavy
ModelGrok 4 Heavy
Agent Index v1.2Insufficient coverage (0/7) · Preview
CreatorxAI (opens in a new tab)
AvailabilityProprietary
Context sizeNot reported
Max outputNot reported (opens in a new tab)
Knowledge cutoffNot reported
LicenseNot reported

Pricing and performance

Per provider and reported configuration. Prices are USD per 1M tokens.

No provider pricing or performance reports have been added for this model yet.

Reported benchmarks

All published results in our dataset, with versions, evaluation settings, and sources.

All published benchmark reports for Grok 4 Heavy
BenchmarkScoreEvaluation setupSource
Humanity's Last ExamStable HLE — text-only subsetAccuracy · Higher is better50.7%Heavy parallel test-time compute and native tool use. · subset: text · Tools enabledxAI ↗ (opens in a new tab)provider reported · 2025-07-09