openai

OpenAI: gpt-oss-120b (free)

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...

Quality Score
79/100
composite of price, context, capability
Input Price
Free
per 1M tokens
Output Price
Free
per 1M tokens
Context Window
131,072
tokens
Model ID
openai/gpt-oss-120b:free
Vendor
openai
Tokenizer
GPT
Input Modalities
text
Output Modalities
text
Max Output
131,072 tokens
Tool Calling
✓ supported
Structured Output
not supported
Reasoning Mode
✓ supported
Vision
text only
Audio
no
Moderated
yes

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