Holy moly, OpenAI was cooking with GPT-OSS – the tl;dr – OpenAI returns to its open-source roots and releases two new open models: GPT-OSS-20B and GPT-OSS-120B – Two model sizes available—20 billion and 120 billion parameters – gpt-oss-120b almost achieves parity with o4-mini,
OpenAI Releases GPT-OSS Open-Source Models: 20B and 120B
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