The best open-weight OpenAI model is gpt-oss-120b (free) (24.5 intelligence) — downloadable from Hugging Face and self-hostable. gpt-oss-120b (24.5) and gpt-oss-20b (free) (24.5) round out the top three.
The best open-weight AI models — downloadable from Hugging Face and self-hostable — ranked by intelligence. Open-source alternatives to proprietary frontier models.
The best open-weight OpenAI model is gpt-oss-120b (free) (24.5 intelligence) — downloadable from Hugging Face and self-hostable. gpt-oss-120b (24.5) and gpt-oss-20b (free) (24.5) round out the top three.
gpt-oss-120b (24.5) is the closest alternative on this metric, followed by gpt-oss-20b (free) (24.5). See the full ranking above for the tradeoffs.
modelgrep tracks 62 OpenAI models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GPT-5.5. 5 of them qualify for this ranking.