Best LLM for building websites (2026)
Which model produces the best full web pages from a prompt?
Rebuilt from live model data · August 3, 2026
How we ranked
Ranked by Design Arena position in the "website" category — head-to-head win rates across scored models, reported through the OpenRouter model API.
Top 3 for building websites
- 1
Kimi K3
Win rate: 63.8% $3.00 in / $15.00 out per 1M 1.0M context 6 providersKimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...
Open weights Vision Tool calling Reasoning Released Jul 16, 2026 - 2
Claude Opus 5
Win rate: 59.4% $5.00 in / $25.00 out per 1M 1M context 5 providersClaude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
Vision Tool calling Reasoning Released Jul 24, 2026 - 3
GLM 5.2
Win rate: 60.9% $0.741 in / $2.33 out per 1M 1.0M context 29 providersGLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Open weights Tool calling Reasoning Released Jun 16, 2026
Full ranking
| # | Model | Win rate | Output / 1M | Context | Providers | Weights |
|---|---|---|---|---|---|---|
| 1 | Kimi K3 | 63.8% | $15.00 | 1.0M | 6 | Open |
| 2 | Claude Opus 5 | 59.4% | $25.00 | 1M | 5 | Closed |
| 3 | GLM 5.2 | 60.9% | $2.33 | 1.0M | 29 | Open |
| 4 | Claude Fable 5 | 60.5% | $50.00 | 1M | 4 | Closed |
| 5 | Grok 4.5 | 57.8% | $6.00 | 500K | 1 | Closed |
| 6 | Claude Opus 4.7 | 59.7% | $25.00 | 1M | 4 | Closed |
| 7 | Claude Opus 4.6 | 62.4% | $25.00 | 1M | 4 | Closed |
| 8 | Gemini 3.6 Flash | 57.9% | $7.50 | 1.0M | 2 | Closed |
| 9 | Claude Sonnet 5 | 57.6% | $10.00 | 1M | 4 | Closed |
| 10 | Claude Sonnet 4.6 | 60.9% | $15.00 | 1M | 4 | Closed |
| 11 | MiMo-V2.5-Pro | 57.4% | $0.696 | 1.1M | 6 | Open |
| 12 | Qwen3.7 Max | 57.7% | $4.42 | 1M | 1 | Closed |
FAQ
Which model produces the best full web pages from a prompt?
Kimi K3 leads for building websites with win rate 63.8%, at $15.00 per 1M output tokens. Claude Opus 5 (59.4%) and GLM 5.2 (60.9%) follow. Ranked by Design Arena position in the "website" category — head-to-head win rates across scored models, reported through the OpenRouter model API.
How is this ranking produced?
Ranked by Design Arena position in the "website" category — head-to-head win rates across scored models, reported through the OpenRouter model API. The list rebuilds from the live model catalogue on every deploy, so a model that launches or changes price appears here without an editor rewriting the page. Last rebuild: August 3, 2026.
What does the top pick cost to run?
Kimi K3 costs about $7.50 for a workload of 1M input + 300K output tokens, based on the cheapest of 6 provider(s).