gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. The model supports configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.
function_callinghttps://api.deepinfra.com/v1/openai/v1/chat/completions| Model | Context | Max out | Pricing |
|---|---|---|---|
| gpt-oss-20b | 131K | 131K | $0.03$0.14 |
| gpt-oss-120b | 131K | 131K | $0.04$0.17 |
| gpt-oss-120b-Turbo | 131K | — | $0.15$0.6 |
| gpt-oss-120b-Ultra | 131K | — | $0.2$0.95 |
/v1/models/deepinfra/openai/gpt-oss-120bgpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. The model supports configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.