Claude Fable 5.1 & GPT-6 Astra packages are live

background-jobs

Backend

Running work outside the request — job design, scheduling, idempotency, timeouts, observability, and the failure modes of cron in a distributed…

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.