OpenRouter model

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...

Provider
OpenRouter
Availability
Available
Model ID
openai/gpt-oss-120b
Snapshot
2026-08-28

OpenAI: gpt-oss-120b model overview

OpenAI: gpt-oss-120b is listed in the public Swarm catalog through OpenRouter. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

Provider
OpenRouter
Family
OpenRouter
Context window
131.1K tokens
Thinking support
low · medium · high
Availability status
Available
Catalog ID
openrouter/openai/gpt-oss-120b
  • Text input
  • Text output
  • Reasoning
  • Tools
  • Structured output
  • JSON
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Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.