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OpenAI: gpt-oss-20b

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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, optimi…

Price /1M $0.02 / $0.09Context 131k
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