Model•active

gpt-oss-120b

gpt-oss-120b is OpenAI's 117B-parameter open-weight reasoning model for agentic and coding workloads, released under the Apache 2.0 license.

Official siteVerified Oct 3, 2026

Overview

The model is text-only, supports up to a 128K context, configurable reasoning effort, function calling, structured outputs, web-search and Python-tool workflows, and can be self-hosted or served by third-party inference providers.

Model specifications

Family: gpt-oss
Context: 131,072 tokens
Input: Text
Output: Text
Open weights: Yes
Capabilities: Reasoning, Tool Use, Function Calling, Structured Output, Web Search, Code Execution

Related entities

Available Via

APIactive

Groq API

Groq API is an OpenAI-compatible inference API for supported language and audio models, with Responses, Chat Completions, streaming, tool use, structured output, and speech endpoints.

Related by Develops

Companyactive

OpenAI

OpenAI is an AI research and deployment company that develops model, developer, and coding products including the Codex product family.