token.app › Compare › Gemma 4 31B vs gpt-oss-120b
Gemma 4 31B vs gpt-oss-120b
gpt-oss-120b leads on 2 of 3 shared benchmarks. gpt-oss-120b is 2.3× cheaper per token on a blended 3:1 basis. Gemma 4 31B accepts the larger context window (262K).
Head to head
Blended price uses a 3:1 input:output mix
| Gemma 4 31B | gpt-oss-120b | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $0.100 | $0.037 |
| Output $/1M | $0.340 | $0.170 |
| Blended $/1M | $0.160 | $0.070 |
| Context window | 262K | 131K |
| Max output | 262K | 131K |
| Released | Apr 2026 | Aug 2025 |
| Licence | Open weights | Open weights |
| GPQA Diamond | 75.8% | 75.8% |
| SimpleQA Verified | 9.6% | 13.9% |
| OTIS Mock AIME | 73.3% | 88.9% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Gemma 4 31B if…
- Larger context window (262K)
- Newer model (released Apr 2026)
Choose gpt-oss-120b if…
- Costs less per token — $0.070 vs $0.160 blended
- Higher SimpleQA Verified (13.9% vs 9.6%)
- Higher OTIS Mock AIME (88.9% vs 73.3%)
FAQ
Which is better, Gemma 4 31B or gpt-oss-120b?
Across the 3 benchmarks both models have independently-run scores for, Gemma 4 31B leads on 0 and gpt-oss-120b leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Gemma 4 31B cheaper than gpt-oss-120b?
gpt-oss-120b is cheaper: $0.070 versus $0.160 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.037. Output alone: $0.340 vs $0.170.
What context windows do Gemma 4 31B and gpt-oss-120b have?
Gemma 4 31B: 262,144 tokens. gpt-oss-120b: 131,072 tokens.
Who makes Gemma 4 31B and gpt-oss-120b?
Gemma 4 31B is made by Google. gpt-oss-120b is made by OpenAI.