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

As of Oct 14, 2026, Kimi K3 is state of the art in Coding › Web dev, open weights (since Jul 20, 2026; sources LMArena WebDev; methodology v1.0).

Category board: https://isitsota.com/c/coding-web-dev?slice=open-weights

## Top 10

- #1 Kimi K3
- #2 Mimo V2.6 Flash
- #3 Hy4 Preview
- #4 Mimo V2.6 Pro
- #5 GLM 5.3
- #6 DeepSeek V4.1 Flash
- #7 GLM 5.3 Flash
- #8 GLM 5.2
- #9 Qwen3 8 27B
- #10 DeepSeek V4 Pro High

## Crown changes

- Jul 20, 2026 — Coding › Web dev: Kimi K3 takes the crown
- Jun 18, 2026 — Coding › Web dev: GLM 5.2 takes the crown
- Jun 5, 2026 — Coding › Web dev: GLM 5.1 and Minimax M3 and Kimi K2 6 are co-SOTA

## Weights

- LMArena WebDev: primary, weight 1