Gemini 3 Flash vs GPT-5.6 Sol
Gemini 3 Flash (Google DeepMind) and GPT-5.6 Sol (OpenAI) compared on benchmarks, pricing, context window, and use-case rankings.
- GPT-5.6 Sol leads on overall intelligence (ECI 162 vs 151).
- GPT-5.6 Sol ranks higher for coding (95th vs 52th percentile).
| Attribute | Gemini 3 Flash | GPT-5.6 Sol |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 151 | 162 |
| Coding | 52 | 95 |
| Math | 55 | 97 |
| Reasoning & Knowledge | 51 | 95 |
| Agentic & Tools | 65 | 67 |
| Specifications | ||
| Developer | Google DeepMind | OpenAI |
| Family | Gemini | GPT |
| Released | Dec 17, 2025 | Jul 9, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | — | 1.1M |
| Price — $/M input | — | $5.00 |
| Price — $/M output | — | $30.00 |
| Inputs | — | file, image, text |
| Outputs | — | text |
| Benchmarks | ||
| AIME 2024/2025 | 93% | 100% |
| APEX | 24% | 40% |
| ARC-AGI | 22% | 98% |
| ARC-AGI-2 | 34% | 93% |
| FrontierMath | 36% | — |
| FrontierMath Tier 4 | 4% | — |
| GPQA Diamond | 83% | 93% |
| GSO (code optimization) | 10% | — |
| SimpleBench | 61% | 72% |
| SimpleQA Verified | 67% | 72% |
| SWE-bench Verified | 75% | — |
| Terminal-Bench | 64% | — |
| WebDev Arena | 1454 | — |
| WeirdML | 62% | 89% |
| Humanity's Last Exam | — | 47% |
| SciCode | — | 56% |
| τ²-bench | — | 85% |
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 Gemini 3 Flash better than GPT-5.6 Sol?
On Epoch AI's Capabilities Index, GPT-5.6 Sol scores higher (162) than Gemini 3 Flash (151). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Gemini 3 Flash or GPT-5.6 Sol?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-5.6 Sol ranks higher — 95th vs 52th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.