gpt-oss-120b
READER SUMMARYOpen-weight 120-billion-parameter reasoning model with tool use and visible chain-of-thought.
Why this model scores 83.1
Near-frontier reasoning and tool use drive high capability and autonomy; unrestricted weights create maximal diffusion, strong misuse readiness and difficult containment.
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News tied to gpt-oss-120b
The model score of 83.1 rates this model's risk profile. The overall Doom Index of 63.5 measures the recalibrated complete evidence corpus. These values answer different questions.
Each article's leave-one-out Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores are recalculated from their technical profile and related news, but never feed back into the overall index.
OpenAI releases open-weight gpt-oss models
OpenAI released gpt-oss-120b and gpt-oss-20b under an open license, with reasoning, tool use and visible chain-of-thought for local and hosted deployment.
- Full item contribution
- +0.03
- gpt-oss-120b equal share
- +0.01
Model score history
- R1Doom Score 83.1
New exact August 2025 open-weight model profile verified by OpenAI.
12 Aug 2026