Anthropic, language model
Released Jun 9, 2026. Scored on 2 boards.
The latest published score on each board, ranked against every model we track. Each score links to its source.
| Board | Score | Rank | Record | Date | Source | Readings |
|---|---|---|---|---|---|---|
| Artificial Analysis Intelligence IndexOverall | 50Max, Opus 4.8 Fallback | 10 of 40 | 58Claude Opus 5.5 | Oct 20, 2026 | artificialanalysis.ai | 1 |
| Artificial Analysis Coding IndexCoding and agents | 77 | 7 of 23 | 82Claude Fable 5.1 | Oct 20, 2026 | artificialanalysis.ai | 1 |
The closest models on the boards they share with Claude Fable 5.
Stories tagged with Claude Fable 5 or naming it in the headline, newest first.
Willison built the browser RTS mostly with coding agents, mainly Claude Code, over 12 iterations and 321 commits. It includes audio-based multiplayer for two devices in microphone range, and he says he reviewed almost none of the code.