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Open-Weight LLM Models — Live Ranking, Benchmarks & Specs

Explore, filter and compare open-weight language models with live specs, benchmarks and license data

GPT-OSS-120B

OpenAI

Open Weights

Parameters

116.8B total / 5.1B active

Released

04.08.25

Mixture-of-Experts (MoE) Transformer

GPT-OSS

Apache License 2.0

Openness Score 1.0

View Details HuggingFace

Commercial OK

GPT-OSS-20B

OpenAI

Open Weights

Parameters

20.9B total / 3.6B active

Released

04.08.25

Mixture-of-Experts (MoE) Transformer

GPT-OSS

Apache License 2.0

Openness Score 1.0

View Details HuggingFace

Commercial OK