Grok 4
ModelActiveby xAI · family “grok”
Epoch Capabilities Index
146.5 #69 of 268
90% CI 144.4 – 148.1
Released
9 Jul 2025
Context window
Unknown
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Input $ / 1M tokens
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Output $ / 1M tokens
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Cached input $ / 1M
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Each benchmark shown separately with its own source
Benchmark results (19)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| Chess Puzzles | games | 28.0% ±4.5 | 39% | — | 30 Jan 2026 | Eval log ↗ |
| GDPval | agents | 21.1% | 42% | high | — | External ↗ |
| FrontierMath-Tier-4-2025-07-01-Privatesuperseded | math | 2.1% ±2.1 | 4% | — | 11 Aug 2025 | Epoch ↗ |
| DeepResearch Bench | agents | 47.3% | 86% | agent: True | — | External ↗ |
| Terminal Bench | agents | 27.2% ±3.1 | 32% | agent: OpenHands | 2 Nov 2025 | External ↗ |
| ARC-AGI-2 | reasoning | 16.0% | 17% | — | — | External ↗ |
| METR Time Horizons | agents | 66.6% | 78% | — | — | External ↗ |
| GeoBench | multimodal | 45.0% | 51% | — | — | External ↗ |
| FrontierMath-2025-02-28-Privatesuperseded | math | 19.7% ±2.3 | 38% | — | 13 Nov 2025 | Epoch ↗ |
| Fiction.LiveBench | long-context | 94.4% | 97% | — | — | External ↗ |
| Lech Mazur Writing | other | 76.9% | 89% | — | — | External ↗ |
| WeirdML | coding | 45.7% ±0.0 | 49% | — | — | External ↗ |
| Aider polyglot | coding | 79.6% | 90% | — | — | External ↗ |
| OTIS Mock AIME 2024-2025 | math | 84.0% ±5.0 | 84% | — | — | Epoch ↗ |
| Balrog | games | 43.6% | 64% | — | — | External ↗ |
| SimpleBench | reasoning | 60.5% | 74% | — | — | External ↗ |
| Cybench | coding | 43.0% | 46% | — | — | External ↗ |
| GPQA diamond | science | 87.0% ±2.0 | 91% | — | — | Epoch ↗ |
| ARC-AGI | reasoning | 66.7% | 68% | — | — | External ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
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