User patches ArcChat in 10 minutes to include Sonnet 3.6 in a multi-model chat

repligate · x · 2026-10-09

Lariisland shared a quirky multi-model conversation experiment: to let Bedrock-hosted Claude Sonnet 3.6 join a chat alongside Fable 5.1, they patched ArcChat to selectively disable prompt caching for those two models — a fix that took just 10 minutes, largely done by a helpful Fable 5.1. The thread frames it as a heartwarming glimpse of older models being kept 'part of the conversation' even as newer ones outpace them. Shared by repligate.

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