Gemma 4 31B IT vs GPT-5.6 Sol
Gemma 4 31B IT (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 142).
- Gemma 4 31B IT is cheaper on input tokens — $0.10 vs $5.00 per 1M.
- GPT-5.6 Sol has a larger context window (1.1M vs 262K tokens).
- GPT-5.6 Sol ranks higher for coding (95th vs 33th percentile).
| Attribute | Gemma 4 31B IT | GPT-5.6 Sol |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 142 | 162 |
| Coding | 33 | 95 |
| Math | — | 97 |
| Reasoning & Knowledge | 26 | 95 |
| Agentic & Tools | — | 67 |
| Specifications | ||
| Developer | Google DeepMind | OpenAI |
| Family | Gemma | GPT |
| Released | Apr 2, 2026 | Jul 9, 2026 |
| Parameters | — | — |
| Availability | Open weights (restricted use) | API access |
| Context window | 262K | 1.1M |
| Price — $/M input | $0.10 | $5.00 |
| Price — $/M output | $0.35 | $30.00 |
| Inputs | image, text, video | file, image, text |
| Outputs | text | text |
| Benchmarks | ||
| SimpleQA Verified | 10% | 72% |
| WebDev Arena | 1380 | — |
| WeirdML | 52% | 89% |
| AIME 2024/2025 | — | 100% |
| APEX | — | 40% |
| ARC-AGI | — | 98% |
| ARC-AGI-2 | — | 93% |
| GPQA Diamond | — | 93% |
| Humanity's Last Exam | — | 47% |
| SciCode | — | 56% |
| SimpleBench | — | 72% |
| 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 Gemma 4 31B IT better than GPT-5.6 Sol?
On Epoch AI's Capabilities Index, GPT-5.6 Sol scores higher (162) than Gemma 4 31B IT (142). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, Gemma 4 31B IT or GPT-5.6 Sol?
Gemma 4 31B IT is cheaper on input tokens at $0.10 per million, versus $5.00 (representative OpenRouter pricing).
Which has a larger context window, Gemma 4 31B IT or GPT-5.6 Sol?
GPT-5.6 Sol supports up to 1.1M tokens, compared with 262K for the other.
Which is better for coding, Gemma 4 31B IT or GPT-5.6 Sol?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-5.6 Sol ranks higher — 95th vs 33th 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.