Code Arena to Reveal Win Rate of #1 GPT-6 Astra vs #2 Claude Fable 5.1

arena · x · 2026-09-17

Code Arena analyzed head-to-head WebDev battles between #1-ranked GPT-6 Astra and #2-ranked Claude Fable 5.1, with results coming later today. Win rate is defined as how often one model's response is preferred by humans on Arena; the team invited guesses ahead of the reveal.

Original post →

More from Models

Models channel →