token.app › Compare › gpt-oss-120b vs Gemini 3.6 Flash
gpt-oss-120b vs Gemini 3.6 Flash
Gemini 3.6 Flash leads on 3 of 3 shared benchmarks. gpt-oss-120b is 43× cheaper per token on a blended 3:1 basis. Gemini 3.6 Flash accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| gpt-oss-120b | Gemini 3.6 Flash | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $0.037 | $1.50 |
| Output $/1M | $0.170 | $7.50 |
| Blended $/1M | $0.070 | $3.00 |
| Context window | 131K | 1.0M |
| Max output | 131K | 66K |
| Released | Aug 2025 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 75.8% | 94.1% |
| SimpleQA Verified | 13.9% | 68.7% |
| OTIS Mock AIME | 88.9% | 94.2% |
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 gpt-oss-120b if…
- Costs less per token — $0.070 vs $3.00 blended
- Open weights — self-hostable
Choose Gemini 3.6 Flash if…
- Higher GPQA Diamond (94.1% vs 75.8%)
- Higher SimpleQA Verified (68.7% vs 13.9%)
- Higher OTIS Mock AIME (94.2% vs 88.9%)
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, gpt-oss-120b or Gemini 3.6 Flash?
Across the 3 benchmarks both models have independently-run scores for, gpt-oss-120b leads on 0 and Gemini 3.6 Flash leads on 3. Benchmarks are one input — price and context window are on this page too.
Is gpt-oss-120b cheaper than Gemini 3.6 Flash?
gpt-oss-120b is cheaper: $0.070 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.037 vs $1.50. Output alone: $0.170 vs $7.50.
What context windows do gpt-oss-120b and Gemini 3.6 Flash have?
gpt-oss-120b: 131,072 tokens. Gemini 3.6 Flash: 1,048,576 tokens.
Who makes gpt-oss-120b and Gemini 3.6 Flash?
gpt-oss-120b is made by OpenAI. Gemini 3.6 Flash is made by Google.