aug 5, 2025 - OpenAI releases open-weight models

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OpenAI publicly releases two open‑weight language models: gpt‑oss‑120b and gpt‑oss‑20b marking its first open‑weight AI model launch since GPT‑2 in 2019. The models are licensed under Apache 2.0, enabling users to download, inspect, fine‑tune, and run them on local hardware.

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