Dev tasks Claude Fable 5.1, GPT Astra and Grok 4 with overnight long-running job comparison

therealdanvega · x · 2026-10-31

Developer Dan Vega says he gave Claude Fable 5.1, GPT Astra and Grok 4 each a fairly big long-running task to work on overnight, and will compare how the three flagship models performed in the morning. Results not yet published.

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