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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 | 4th 82.7% | 9th 78.5% | 10th 78.1% | 7th 79.6% | 12th 77.3% | 8th 78.6% | 21st 55.1% | 11th 78.0% | 16th 72.5% | 20th 59.9% | 19th 64.3% | 6th 81.0% | 3rd 83.0% | 17th 71.9% | 14th 73.5% | 18th 68.1% | 1st 87.3% | 5th 82.5% | 13th 73.9% | 15th 73.0% | 2nd 84.1% | |
| 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% | |
| 50.2% | 40% | 40% | 40% | 40% | 40% | 80% | 60% | 33% | 35% | 33% | 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% | |
| 68.7% | 85% | 75% | 75% | 85% | 85% | 63% | 13% | 73% | 45% | 60% | 53% | 73% | 83% | 75% | 45% | 40% | 83% | 83% | 83% | 83% | 83% | |
| 91.5% | 100% | 100% | 98% | 100% | 73% | 90% | 20% | 100% | 90% | 80% | 100% | 100% | 100% | 90% | 100% | 100% | 80% | 100% | 100% | 100% | 100% | |
| 73.4% | 77% | 75% | 77% | 77% | 77% | 75% | 77% | 75% | 75% | 21% | 75% | 75% | 77% | 75% | 75% | 77% | 75% | 77% | 77% | 75% | 77% |