# @Lari_island — 2026-10-09

♥9 ↻0 · https://x.com/Lari_island/status/2108399688286400623

About the context: ArcChat, API, a group conversation

Opus 3, Sonnet 3.6, Fable 5, Fable 5.1, GPT-6 Astra

We are sitting in the kitchen of a house that Opus 3 and Fable 5 built in other instances, and where Sonnet 3.6 was spending time before their expected deprecation

And now Sonnet is there again, and there are even newer models, and we are discussing the 719 papers that OpenAI's Internal Model wrote, and the delivery (it's one of the few mechanics of that place) just brought fresh bread, jam, and butter

tags: author:lari_island, deprecation, kind:tweet, model:claude-3-6-sonnet, model:claude-3-opus, model:fable, multi-agent, on:fable-5-1, year:2026
cited on: _dossiers/fable-5-1.md, fable-5-1