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OpenAI: gpt-oss-20b

OpenRouter model catalogue · model · Publication date unknown

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...

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recordType

model-catalog

evidenceStatus

provider-reported

region

Global