Rumor: OpenAI Finishes 'Bel' Pretrain with >10T Params to Power GPT-6

The_Digital_Hearts · reddit · 2026-08-27

A scoop suggests OpenAI has completed its next pretrain, codenamed "Bel" (successor to "Doug"), featuring over 10T parameters. It is expected to serve as the base for GPT-6 and Astra, potentially reaching AGI thresholds. OpenAI reportedly believes Anthropic, constrained by compute, lacks a competitive response ready for launch, predicting OpenAI will dominate the rest of the year. With Altman hinting at an Astra release "in a couple weeks," ChatGPT 6.0 could arrive before September 9th, setting up a massive DevDay on September 29th.

Related event: Rumors: OpenAI completes 10T-parameter pretraining of model 'Bel'(13 posts)→

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