← comparisons / gpt-oss-120b-vs-gpt-oss-20b
gpt-oss-120b vs GPT OSS 20B
01Head to head
| gpt-oss-120b | GPT OSS 20B | |
|---|---|---|
| Creator | OpenAI | OpenAI |
| Released | 2025-08-05 | 2025-08-05 |
| Context | 131K | 131K |
| Max output | 33K | 33K |
| Input $/M | — | — |
| Output $/M | — | — |
| Knowledge cutoff | 2024-06 | — |
| Modalities | text → text | text → text |
| Capabilities | tool-use, extended-thinking, structured-output | tool-use, extended-thinking, structured-output |
| Providers | Groq, Cerebras Inference, Fireworks AI, Together AI, OpenRouter, OpenAI API | OpenAI API, OpenRouter |