# Best AI model for coding › web dev — October 2026

As of Oct 14, 2026, Claude Opus 5.5 is state of the art in Coding › Web dev (since Sep 29, 2026; sources LMArena WebDev; methodology v1.0).

Category board: https://isitsota.com/c/coding-web-dev

## Top 10

- #1 Claude Opus 5.5
- #2 GPT-6 Astra
- #3 Claude Sonnet 5.5
- #4 GPT-6.1 Sol
- #5 Claude Fable 5.1
- #6 Claude Opus 5
- #7 GPT-6 Sol
- #8 Gemini 4 Argon
- #9 Qwen3 8 Max 0902
- #10 Muse Spark 1.3

## Crown changes

- Sep 29, 2026 — Coding › Web dev: Claude Opus 5.5 takes the crown
- Sep 24, 2026 — Coding › Web dev: Claude Opus 5.5 and GPT-6 Astra are co-SOTA
- Sep 22, 2026 — Coding › Web dev: GPT-6 Astra takes the crown

## Weights

- LMArena WebDev: primary, weight 1