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Gemini 3.1 Pro vs Grok 4
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| Attribute | Gemini 3.1 Pro | Grok 4 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 155 | 147 |
| Coding | 59 | 43 |
| Math | 72 | 23 |
| Reasoning & Knowledge | 93 | 47 |
| Agentic & Tools | 80 | 15 |
| Specifications | ||
| Developer | Google DeepMind | xAI |
| Family | Gemini | Grok |
| Released | Feb 19, 2026 | Jul 9, 2025 |
| Parameters | — | 3T |
| Availability | API access | API access |
| Context window | — | — |
| Price — $/M input | — | — |
| Price — $/M output | — | — |
| Inputs | — | — |
| Outputs | — | — |
| Benchmarks | ||
| AIME 2024/2025 | 96% | 84% |
| APEX | 34% | 15% |
| ARC-AGI | 98% | 67% |
| ARC-AGI-2 | 77% | 16% |
| FrontierMath | 37% | 20% |
| FrontierMath Tier 4 | 17% | 2% |
| GPQA Diamond | 94% | 87% |
| GSO (code optimization) | 23% | — |
| Humanity's Last Exam | 46% | 27% |
| METR task horizon | 6.4 h | 1.8 h |
| SimpleBench | 80% | 61% |
| SimpleQA Verified | 77% | 48% |
| SWE-bench Verified | 76% | — |
| Terminal-Bench | 80% | 27% |
| WebDev Arena | 1461 | — |
| WeirdML | 72% | 46% |
| GDPval (win/tie rate) | — | 24% |
| LiveCodeBench | — | 82% |
| MMLU-Pro | — | 87% |
| SciCode | — | 46% |
| τ²-bench | — | 75% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.