gpt-oss-120b

openai/gpt-oss-120b

Open GPT reasoning model for self-hosted agents and controllable deployments

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Context window: 131K
Input: Text
Output: Text
Released: 2025-08-05

Max output: 131K
Knowledge cutoff: 2024-06-30
Model parameters: 117B
Active parameters: 5.1B
Weights: Open
License: apache-2.0
Capabilities: Open weight, Reasoning, Structured, Temperature, Tool call

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Batch processing

Performance

Overall capability

37.9/100

Coding: 35.0
Reasoning: 38.2
Professional work: 24.4
Knowledge & language: 32.2


AA-Omnisciencegpt-oss-120b (High)	Knowledge & language	Artificial Analysis	2026-11-10
Terminal-Bench Science · AAgpt-oss-120b (High)	Reasoning	Artificial Analysis	2026-11-05
AA-LCRgpt-oss-120b (High)	Knowledge & language	Artificial Analysis	2026-11-05
Humanity’s Last Examgpt-oss-120b (High)	Reasoning	Artificial Analysis	2026-11-05
IFBench（Artificial Analysis）gpt-oss-120b (High)	Knowledge & language	Artificial Analysis	2026-11-05
GDPval-AA	Professional work	Artificial Analysis	2026-11-05
CritPtgpt-oss-120b (High)	Reasoning	Artificial Analysis	2026-11-05
APEX-Agents 1.1	Professional work	Mercor	2026-11-05

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ModelRegistry · Catalog updated 2026-11-10