Design Arena: HTML slides leaderboard
- GPT-5.6 Sol leads
- 1286
- models measured
- 25
- lead over #2
- +9 Elo
- median
- 1180
Leader on Design Arena: HTML slides · read October 21
On October 21, 2026, 25 of our catalog's models had a Design Arena: HTML slides result, and OpenAI GPT-5.6 Sol led with 1286.
Design Arena shows people two designs made by two models from the same prompt (a slide deck in HTML, built by the model as an agent) and asks which is better. The number is the Elo rating built from those votes, as Design Arena publishes it.
Role in the index
We collect this benchmark and show it as supporting evidence. It is not part of the Vibe Coding Index, because it measures something other than coding and the index is about coding. Read the methodology
| # | Model | Result | Battles | Evidence | Coding index | Output $/Mtok |
|---|---|---|---|---|---|---|
| 1 | GPT-5.6 SolOpenAI | 1286 | 451 | 76.7 | $20.00 | |
| 2 | Claude Fable 5Anthropic | 1277 | 2,181 | 82.1 | $50.00 | |
| 3 | Kimi K3Moonshot AI | 1256 | 3,960 | 61.8 | $11.936 | |
| 4 | Grok 4.6xAI | 1249 | Not published | 76.4 | $6.00 | |
| 5 | Claude Opus 4.8Anthropic | 1221 | 3,664 | 66.0 | $25.00 | |
| 6 | Claude Sonnet 5Anthropic | 1218 | 2,104 | 63.5 | $10.00 | |
| 7 | Grok 4.5xAI | 1204 | Not published | 75.5 | $6.00 | |
| 8 | Kimi K2.7 CodeMoonshot AI | 1201 | 1,233 | 39.1 | $3.35 | |
| 9 | Muse Spark 1.1Meta | 1194 | Not published | 48.9 | $4.25 | |
| 10 | GLM 5.3Z.ai | 1189 | Not published | 73.1 | $1.40 | |
| 11 | Kimi K2.6Moonshot AI | 1184 | 2,327 | 44.2 | $3.41 | |
| 12 | MiniMax M3MiniMax | 1180 | 1,247 | 57.8 | $1.20 | |
| 13 | Grok 4.20xAI | 1180 | Not published | Not benchmarked | $2.50 | |
| 14 | GLM 5.2Z.ai | 1175 | 1,881 | 57.7 | $7.00 | |
| 15 | GLM 5.1Z.ai | 1170 | 3,133 | 44.0 | $4.40 | |
| 16 | Qwen3.7 MaxQwen | 1158 | 1,209 | 45.1 | $4.425 | |
| 17 | Gemini 3.1 Pro PreviewGoogle | 1153 | 1,979 | 35.3 | $12.00 | |
| 18 | Gemini 3.6 FlashGoogle | 1148 | 1,261 | 48.3 | $3.75 | |
| 19 | GLM 5Z.ai | 1148 | 366 | 59.7 | $3.20 | |
| 20 | Gemini 3.5 FlashGoogle | 1142 | 2,196 | 42.8 | $9.00 | |
| 21 | Muse Spark 1.2Meta | 1135 | 2,091 | 65.1 | $4.25 | |
| 22 | GLM 5V TurboZ.ai | 1120 | 2,275 | 28.8 | $4.00 | |
| 23 | GPT-5.6 TerraOpenAI | 1108 | 1,014 | 69.0 | $12.00 | |
| 24 | GPT-5.5OpenAI | 1067 | 2,055 | 67.8 | $30.00 | |
| 25 | Grok 4.3xAI | 1008 | 1,937 | 22.5 | $2.50 |
Only models in our catalog are listed, and each appears once with its best published run. 141 rows were read from the source on October 21, 2026, and rows that match no catalog model are left out. Every other column is a figure the board publishes for the same run.