Rumor: OpenAI's 'Bel' may land by December as Anthropic pretrains a big new model

imjustnewatai · x · 2026-10-05

Unverified rumors circulating: OpenAI's new model codenamed "Bel" is reportedly far better than Fable 5.5 and may ship by year-end, likely December. The same source claims Anthropic completed a really big new pretrain run within the past week, suggesting the frontier race remains tight. Treat as hearsay for now.

Related event: Rumors: OpenAI to Launch GPT-6 'Bel' by December, Anthropic Responds with Fable 5.5(2 posts)→

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