Benchmark Almanac

DesignArena Agentic Image to HTML

Claude Sonnet 4.6 1,247 leads since February 2026
Not in model cards

Coding agents turn a user-uploaded image into a self-contained HTML website. Users compare how well each page reproduces the design and vote.

One of 40 DesignArena boards. DesignArena ranks entries with Bradley-Terry ratings from user votes.

Kind
Web and app front ends
Level
Everyday
Scored
Ranked by votes
Answers
Open-ended
Tasks
All public
Strongest model tested
GPT-5.5 #20 on the capability index
Last model added
April 2026
Scores refreshed
November 12th, 2026
11
Models scored on its own leaderboard

Claude Sonnet 4.6 leads with 1,247 among models released by April 2026

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

The newest model with a score here came out in April 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

Bars start at 1,100.

  1. 1 Claude Sonnet 4.6 1,247
  2. 2 Gemini 3 Flash 1,224
  3. 3 Gemini 3 Pro 1,222
  4. 4 Kimi K2.6 1,222
  5. 5 Kimi K2.5 thinking 1,211
  6. 6 GPT-5.5 1,205
  7. 7 Gemini 3.1 Pro 1,192
  8. 8 Grok 4.3 1,177
  9. 9 GPT-5.2 1,153
  10. 10 GPT-5.2 Codex 1,139
  11. 11 GLM-5V-Turbo 1,105

Source: Official DesignArena Agentic Image to HTML leaderboard

#ModelScoreSettingDateSource
1 Claude Sonnet 4.6 1,247 Feb 2026 Official leaderboard
2 Gemini 3 Flash 1,224 Dec 2025 Official leaderboard
3 Gemini 3 Pro 1,222 Nov 2025 Official leaderboard
4 Kimi K2.6 1,222 Apr 2026 Official leaderboard
5 Kimi K2.5 1,211 thinking Jan 2026 Official leaderboard
6 GPT-5.5 1,205 Apr 2026 Official leaderboard
7 Gemini 3.1 Pro 1,192 Feb 2026 Official leaderboard
8 Grok 4.3 1,177 Apr 2026 Official leaderboard
9 GPT-5.2 1,153 Dec 2025 Official leaderboard
10 GPT-5.2 Codex 1,139 Dec 2025 Official leaderboard
11 GLM-5V-Turbo 1,105 Apr 2026 Official leaderboard

3 models have held number one on the official leaderboard since 2023

Lab claims count from the day the card came out, independent runs from the model’s release.

Google DeepMind Anthropic
Own leaderboard Not tested since Apr 2026

Source: Official DesignArena Agentic Image to HTML leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard
1,100 1,150 1,200 1,250 2026 1,100 1,150 1,200 1,250 2026

Source: Official DesignArena Agentic Image to HTML leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

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