Rubyonrails iconRubyonrailsSep 2, 2026 ~1 min source read

Agents on Rails: Claude Fable 5.1 and GLM 5.3 Flash (formerly known as ox-alpha)

Originally appeared on Ruby on Rails: Compress the complexity of modern web apps . Claude Fable 5.1 dropped yesterday. See how it handles real Rails tasks, and where it landed on the leaderboard today. We also finally have a name for the stealth model from the last round . Fable 5.1: We have a new best. Fable 5.1 score

Agents on Rails: Claude Fable 5.1 and GLM 5.3 Flash (formerly known as ox-alpha)

Share this story

Send the public story page.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app