Fireworks AI model

OpenAI gpt-oss-120b

Welcome to the gpt-oss series, OpenAI's open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases. gpt-oss-120b is used for production, general purpose, high reasoning use-cases that fits into a single H100 GPU.

Provider
Fireworks AI
Availability
Available
Model ID
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 Fireworks AI. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

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