CAPITU - Instruction-Level Accuracy: leaderboard

Metric: Instruction-level accuracy (%): share of all individual constraints satisfied, on the 200 single-turn CAPITU prompts (Brazilian Portuguese writing tasks about eight canonical Brazilian novels, each with 1 to 4 verifiable constraints drawn from 59 instruction types such as exact word counts, Portuguese suffix patterns, acrostics and forbidden words), rule-checked on the response as generated, temperature 0; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 18 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.2 (High)99.3#105 (GPT-5.2)
2GPT-599#91
3GPT-5 Mini99#176
4Gemini 3 Pro (Preview)95.3#64
5GPT-5.2 (Non-reasoning)95.1#105 (GPT-5.2)
6Gemini 3 Flash (Preview)94.3#78
7Claude Sonnet 4.590.6#138
8Qwen 3 8B (Thinking)90.4#667 (Qwen 3 8B)
9Qwen 3 32B (Thinking)90.1#424 (Qwen 3 32B)
10Qwen 3 14B (Reasoning)89.4#524 (Qwen 3 14B)
11Qwen 3 235B A22B (Non-reasoning)89.4#304 (Qwen 3 235B A22B)
12Qwen 3 235B A22B (Thinking)87.7#304 (Qwen 3 235B A22B)
13Claude Haiku 4.582.5#271

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=capitu-instruction-level-accuracy · How It Works · Data refreshed daily, snapshot 2026-10-11.