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Best open-weight LLM for web design

Kimi K3 leads
1335
models ranked
58
downloads of #1, 30 days
988.7K
lead over #2
+18 Elo

Design Arena: websites · read October 21

  1. New DeepSeek V4.1 Flash 1017 October 17
  2. New E Glimpse October 17
  3. New Mercury 3 October 16
  4. New R Beam 1.0 501B A23B October 16

As of October 21, 2026, MoonshotAI Kimi K3 leads 58 open-weight models on Design Arena: websites with 1335, ahead of Meta Muse Spark Open (1317) and DeepSeek V4.1 Flash 1017 (1312).

The full best LLM for web design ranking combines this benchmark with others.

Top 20 of 58, higher is better

Embed this data
Best open-weight LLM for web design
Rank Model Design Arena: websites Coding evidence Weights Coding index Output $/Mtok
1
Kimi K3 Moonshot AI
1335
 moonshotai/Kimi-K3 62.3 $15.00
2
Muse Spark Open Meta
1317
 meta-models/Muse-Spark-Open-816B-A42B 47.4 $4.25
3
DeepSeek V4.1 Flash 1017 DeepSeek
1312
 deepseek-ai/DeepSeek-V4.1-Flash-1017 70.3 $0.60
4
DeepSeek V4.1 Flash DeepSeek
1309
 deepseek-ai/DeepSeek-V4.1-Flash 62.5 $0.78
5
MiMo-V2.6-Pro Xiaomi
1308
 XiaomiMiMo/MiMo-V2.6-Pro-RL 65.4 $0.87
6
GLM 5.3 Z.ai
1295
 zai-org/GLM-5.3 70.6 $4.40
7
GLM 5.1 Z.ai
1290
 zai-org/GLM-5.1 49.2 $4.40
8
GLM 5.2 Z.ai
1285
 zai-org/GLM-5.2 61.1 $4.40
9
GLM 5.3 Flash Z.ai
1272
 zai-org/GLM-5.3-Flash 57.7 $0.50
10
Kimi K2.6 Moonshot AI
1269
 moonshotai/Kimi-K2.6 52.1 $4.00
11
MiMo-V2.5-Pro Xiaomi
1267
 XiaomiMiMo/MiMo-V2.5-Pro 31.6 $0.9152
12
MiMo-V2.5 Xiaomi
1266
 XiaomiMiMo/MiMo-V2.5 50.0 $0.336
13
Kimi K2.7 Code Moonshot AI
1264
 moonshotai/Kimi-K2.7-Code 53.4 $4.00
14
MiniMax M3 MiniMax
1257
 MiniMaxAI/Minimax-M3 39.2 $1.20
15
R Beam 1.0 501B A23B Reflection
1253
 reflection/Beam-1.0-501B-A23B Not enough data $1.10
16
Kimi K2.5 Moonshot AI
1248
 moonshotai/Kimi-K2.5 38.6 $2.85
17
GLM 5 Z.ai
1247
 zai-org/GLM-5 41.7 $3.20
18
MiniMax M2.7 MiniMax
1243
 MiniMaxAI/MiniMax-M2.7 36.2 $1.20
19
DeepSeek V4 Flash 0731 DeepSeek
1238
 deepseek-ai/DeepSeek-V4-Flash-0731 51.8 $0.28
20
DeepSeek V4 Pro 0423 DeepSeek
1234
 deepseek-ai/DeepSeek-V4-Pro 38.7 $2.716

How this list is built

Generated from the dataset on every refresh. Nobody picks the order by hand.

Models on the Design Arena: websites board that OpenRouter links to a public Hugging Face repository, by their Design Arena: websites result. We do not check the license; read it on the repository page.

Other lists

Rankings beyond coding · Methodology