September 5, 2026
Hi, it’s Vipul . Let’s explore this week’s changes in the Rails codebase. Agents on Rails: Claude Fable 5.1 and GLM 5.3 Flash Claude Fable 5.1 matched Opus 5 at the top of the Agents on Rails leade...
First Astra impressions: it's like Fable, but faster. If you value your time, I can't see why you'd drive a coding agent with anything less than a Fable/Astra model. They produce so much less rework.