DeepSeek-V3.1 vs Gemini 3.1 Pro
DeepSeek-V3.1 (DeepSeek) and Gemini 3.1 Pro (Google DeepMind) compared on benchmarks, pricing, context window, and use-case rankings.
- Gemini 3.1 Pro leads on overall intelligence (ECI 155 vs 139).
- Gemini 3.1 Pro ranks higher for coding (65th vs 15th percentile).
| Attribute | DeepSeek-V3.1 | Gemini 3.1 Pro |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 139 | 155 |
| Coding | 15 | 65 |
| Math | 3 | 74 |
| Reasoning & Knowledge | 17 | 94 |
| Agentic & Tools | 10 | 83 |
| Specifications | ||
| Developer | DeepSeek | Google DeepMind |
| Family | DeepSeek | Gemini |
| Released | Aug 21, 2025 | Feb 19, 2026 |
| Parameters | — | — |
| Availability | Open weights (unrestricted) | API access |
| Context window | — | — |
| Price — $/M input | — | — |
| Price — $/M output | — | — |
| Inputs | — | — |
| Outputs | — | — |
| Benchmarks | ||
| AIME 2024/2025 | 50% | 96% |
| GPQA Diamond | 74% | 94% |
| Humanity's Last Exam | 6% | 46% |
| LiveCodeBench | 58% | — |
| MMLU-Pro | 83% | — |
| SciCode | 37% | — |
| SimpleBench | 40% | 80% |
| WeirdML | 38% | 72% |
| τ²-bench | 35% | — |
| APEX | — | 34% |
| ARC-AGI | — | 98% |
| ARC-AGI-2 | — | 77% |
| FrontierMath | — | 37% |
| FrontierMath Tier 4 | — | 17% |
| GSO (code optimization) | — | 23% |
| METR task horizon | — | 6.4 h |
| SimpleQA Verified | — | 77% |
| SWE-bench Verified | — | 76% |
| Terminal-Bench | — | 80% |
| WebDev Arena | — | 1461 |
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.
Frequently asked questions
Is DeepSeek-V3.1 better than Gemini 3.1 Pro?
On Epoch AI's Capabilities Index, Gemini 3.1 Pro scores higher (155) than DeepSeek-V3.1 (139). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, DeepSeek-V3.1 or Gemini 3.1 Pro?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Gemini 3.1 Pro ranks higher — 65th vs 15th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.