token.app › Compare › GPT-4.1 vs gpt-oss-120b
GPT-4.1 vs gpt-oss-120b
gpt-oss-120b leads on 2 of 2 shared benchmarks. gpt-oss-120b is 50× cheaper per token on a blended 3:1 basis. GPT-4.1 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-4.1 | gpt-oss-120b | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input $/1M | $2.00 | $0.037 |
| Output $/1M | $8.00 | $0.170 |
| Blended $/1M | $3.50 | $0.070 |
| Context window | 1.0M | 131K |
| Max output | 33K | 131K |
| Released | Apr 2025 | Aug 2025 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 66.9% | 75.8% |
| OTIS Mock AIME | 38.3% | 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 GPT-4.1 if…
- Larger context window (1.0M)
Choose gpt-oss-120b if…
- Costs less per token — $0.070 vs $3.50 blended
- Higher GPQA Diamond (75.8% vs 66.9%)
- Higher OTIS Mock AIME (88.9% vs 38.3%)
- Open weights — self-hostable
- Newer model (released Aug 2025)
FAQ
Which is better, GPT-4.1 or gpt-oss-120b?
Across the 2 benchmarks both models have independently-run scores for, GPT-4.1 leads on 0 and gpt-oss-120b leads on 2. Benchmarks are one input — price and context window are on this page too.
Is GPT-4.1 cheaper than gpt-oss-120b?
gpt-oss-120b is cheaper: $0.070 versus $3.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.037. Output alone: $8.00 vs $0.170.
What context windows do GPT-4.1 and gpt-oss-120b have?
GPT-4.1: 1,047,576 tokens. gpt-oss-120b: 131,072 tokens.
Who makes GPT-4.1 and gpt-oss-120b?
GPT-4.1 is made by OpenAI. gpt-oss-120b is made by OpenAI.