OpenAI: gpt-oss-120b
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. It activates 5.1B parameters per forward pass and is optimized to run on a single H100 GPU with native MXFP4 quantization. The model supports configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.
Undisclosed
Parameters
131K tokens
Context Window
Proprietary
License
Aug 5, 2025
Released
💰 Pricing
Input
$0.04
per 1M tokens
Output
$0.19
per 1M tokens
API Available
This model is accessible via API for integration into your applications.
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