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GPT-OSS 120B TEE

gpt-oss Reasoning Tool Calling Open Weights Structured Output

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.

Providers 2
Released Aug 5, 2025
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Chutes openai/gpt-oss-120b-TEE $0.04/MTok $0.18/MTok 131.1K 65.5K
NanoGPT TEE/gpt-oss-120b $2.00/MTok $2.00/MTok 131.1K 16.4K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output