Claude Fable 5.1 & GPT-6 Astra packages are live

rollback

DevOps

Reversing a bad release quickly — what makes a deploy reversible, database changes that block rollback, feature flags, and rehearsing the procedure.

Choose your model

Available for 11 model families. The engineering substance is the same in each; the structure, checklist phrasing and constraint ordering are tuned per family.