OpenAI

Gpt Oss

Open source2 variants

gpt-oss-120b

instruct120B

OpenAI's 120B open-weight instruct model — powerful instruction-following with Apache 2.0 license for commercial use.

131K tokensFree / Open weightsTransformerApache 2.0

LiveBench

gpt-oss-120b

46.1%

GPT OSS 120b — rank #57

instruct20B

OpenAI's efficient 20B open-weight instruct model — strong instruction-following at a fraction of the compute of larger models.

131K tokensFree / Open weightsTransformer