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Gemini 3.1 Pro vs Gemini 3 Flash
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| Attribute | Gemini 3.1 Pro | Gemini 3 Flash |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 155 | 152 |
| Coding | 62 | 49 |
| Math | 72 | 53 |
| Reasoning & Knowledge | 94 | 57 |
| Agentic & Tools | 81 | 63 |
| Specifications | ||
| Developer | Google DeepMind | Google DeepMind |
| Family | Gemini | Gemini |
| Released | Feb 19, 2026 | Dec 17, 2025 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | — | — |
| Price — $/M input | — | — |
| Price — $/M output | — | — |
| Inputs | — | — |
| Outputs | — | — |
| Benchmarks | ||
| AIME 2024/2025 | 96% | 93% |
| APEX | 34% | 24% |
| ARC-AGI | 98% | 85% |
| ARC-AGI-2 | 77% | 34% |
| FrontierMath | 37% | 36% |
| FrontierMath Tier 4 | 17% | 4% |
| GPQA Diamond | 94% | 83% |
| GSO (code optimization) | 23% | 10% |
| Humanity's Last Exam | 46% | — |
| METR task horizon | 6.4 h | — |
| SimpleBench | 80% | 61% |
| SimpleQA Verified | 77% | 67% |
| SWE-bench Verified | 76% | 75% |
| Terminal-Bench | 80% | 64% |
| WebDev Arena | 1461 | 1454 |
| WeirdML | 72% | 62% |
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.