gpt-oss-120b
gpt-oss-120b
Open Source
About
OpenAI open-weight model with 120 billion parameters. Text-only model supporting reasoning, function calling, and structured outputs. Free for self-hosting. Released August 5, 2025.
gpt-oss-120b has a 128K-token context window.
gpt-oss-120b input tokens at $0.039/1M, output at $0.18/1M.
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt CachingBatch APIAudioFine-tuning
Providers(7)
Compare all →| Provider | Input (per 1M) | Output (per 1M) | Type | |
|---|---|---|---|---|
| OpenRouter | $0.039 | $0.18 | Serverless | |
| Together AI | $0.15 | $0.6 | Serverless | |
| Fireworks AI | $0.15 | $0.6 | Serverless | |
| GCP Vertex AI | $0.09 | $0.36 | Serverless | |
| NVIDIA NIM | — | — | Serverless | |
| GroqCloud | $0.15 | $0.60 | Serverless | |
| Replicate API | $0.18 | $0.72 | Serverless |
Benchmark Scores(1)
| Benchmark | Score | Version | Source |
|---|---|---|---|
| Google-Proof Q&A | 78.2 | diamond | Artificial Analysis |
