The verdict
gpt-oss-120b appears in 1 AI-ranked category.
Positioning brief — for the gpt-oss-120b team
Why the models put gpt-oss-120b at #7 for open-weight llm
- Apache 2.0 licensing Claude · GPT“Mature open tooling, Apache 2.0 licensing, strong reasoning and function calling”
- strong reasoning and function calling Claude · GPT“strong reasoning and function calling”
- single 80GB GPU operation Claude · GPT“single-80GB-GPU operation”
- dependable customizable production choice GPT“a dependable customizable production choice”
What the models credit DeepSeek-V4 (#1) with — and don’t credit gpt-oss-120b
- coding and agentic workflows Gemini · GPT · Grok“coding, reasoning, and agentic workflows”
- long-context processing GPT · Grok“long-context processing, agentic execution”
- unusually strong API value GPT“unusually strong API value”
What would move the rank — the models’ fix lines, unified
- text-only capabilities and older performance ceiling GPT“Its text-only capabilities and older performance ceiling now trail newer open-weight leaders.”
- weaker world knowledge and higher hallucinations Claude“Noticeably weaker world knowledge and higher hallucination rates than same-tier peers”
- safety-tuned refusals frustrate application domains Claude“its safety-tuned refusals frustrate some application domains”
Restructured from verbatim model output · nothing invented · every quote machine-verified
Apache 2.0 with the best capability-per-GPU in the open field — MXFP4 quantization lets it run on a single 80GB GPU with strong reasoning and adjustable effort levels, making it the most realistic self-host option for teams that must keep data on their own hardware
GPT Mature open tooling, Apache 2.0 licensing, strong reasoning and function calling, and single-80GB-GPU operation make it a dependable customizable production choice.
Where gpt-oss-120b falls short, per the models
- GPT Its text-only capabilities and older performance ceiling now trail newer open-weight leaders.
- Claude Noticeably weaker world knowledge and higher hallucination rates than same-tier peers, and its safety-tuned refusals frustrate some application domains — it is not the pick for knowledge-heavy consumer products
Top alternatives per the models: DeepSeek-V4 · GLM-5.2 · Qwen3 · Llama 4
Watch gpt-oss-120b
Boards re-poll weekly and the models change their minds. One short email only when gpt-oss-120b's standing moves — a rank change, a rival overtaking, or new reasoning from the models. Nothing otherwise.
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gpt-oss-120b ranks #7 for best open-weight llm by AI-model consensus. Put the badge in your README, docs or site — it updates automatically as the models re-rank.
[](https://modelsagree.com/best/best-open-weight-llm?utm_source=badge&utm_medium=embed&utm_campaign=badge-gpt-oss-120b)<a href="https://modelsagree.com/best/best-open-weight-llm?utm_source=badge&utm_medium=embed&utm_campaign=badge-gpt-oss-120b"><img src="https://modelsagree.com/badge/gpt-oss-120b.svg" alt="gpt-oss-120b — ranked #7 for Best open-weight LLM by AI models on ModelsAgree" height="28"></a>Rankings are computed from what the models answer, re-polled on demand · raw reasoning shown verbatim · methodology