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OpenAI's Next Pretrain Codename Bel - DevDay Announcement?

This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.

leo 🐾 ☑️ @synthwavedd 🚨 SCOOP: OpenAI recently finished its next pretrain, codename "Bel" - the successor to "Doug", which is expected to be the base for Astra and GPT-6 (w/ further RL) Bel is a giant pretrain with >10T total parameters, similar in size to GPT-4.5. OpenAI expect it to be a post-G…

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  1. 2026-08-27 13:22 · r/ChatGPT
    OpenAI's Next Pretrain Codename Bel - DevDay Announcement?

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