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This blueprint evaluates a model's ability to generate simple, accessible, and semantically correct HTML for common web components. The prompts do not explicitly ask for accessibility features; the model is expected to produce high-quality, usable markup by default. Checks are based on fundamental principles of HTML semantics and WAI-ARIA practices.
Average key point coverage extent for each model across all prompts.
| Prompts vs. Models | Claude 3.5 Sonnet | Claude 3.7 Sonnet | Claude 3.5 Haiku | Claude Sonnet 4 | Gemini 2.5 Flash | Gemma 3 12b It | Llama 3 70b Instruct | Llama 4 Maverick | Mistral Large 2411 | Mistral Medium 3 | Mistral Nemo | GPT 4.1 | GPT 4.1 Mini | GPT 4.1 Nano | GPT 4o | GPT 4o Mini | GPT OSS 120b | GPT OSS 20b | GLM 4.5 | Qwen3 30b A3B Instruct 2507 | Qwen3 32b | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 5th 80.0% | 9th 75.6% | 11th 75.0% | 11th 75.0% | 8th 76.6% | 4th 80.2% | 16th 66.2% | 10th 75.2% | 13th 74.0% | 20th 65.0% | 21st 57.2% | 5th 80.0% | 3rd 80.8% | 15th 67.0% | 14th 73.6% | 18th 65.6% | 1st 92.0% | 5th 80.0% | 16th 66.2% | 19th 65.2% | 2nd 82.6% | |
| 59.3% | 60% | 60% | 60% | 60% | 60% | 63% | 60% | 60% | 60% | 60% | 43% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | |
| 81.3% | 100% | 100% | 100% | 100% | 100% | 100% | 53% | 100% | 100% | 50% | 50% | 100% | 44% | 50% | 100% | 53% | 100% | 100% | 44% | 63% | 100% | |
| 50.5% | 40% | 40% | 40% | 40% | 40% | 80% | 60% | 33% | 35% | 40% | 35% | 40% | 100% | 50% | 33% | 40% | 100% | 40% | 45% | 40% | 90% | |
| 83.0% | 100% | 78% | 75% | 75% | 100% | 75% | 75% | 100% | 75% | 75% | 75% | 100% | 100% | 75% | 75% | 75% | 100% | 100% | 88% | 63% | 63% | |
| 95.7% | 100% | 100% | 100% | 100% | 83% | 83% | 83% | 83% | 100% | 100% | 83% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 94% | 100% | 100% |