CAPITU - Medium: leaderboard

Metric: Strict prompt-level accuracy (%) on the 70 medium prompts (two constraints each), 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 Mini98.6#176
2GPT-5.2 (High)98.6#105 (GPT-5.2)
3GPT-597.1#91
4Gemini 3 Flash (Preview)95.7#78
5Gemini 3 Pro (Preview)94.3#64
6Claude Sonnet 4.592.9#138
7GPT-5.2 (Non-reasoning)91.4#105 (GPT-5.2)
8Qwen 3 8B (Thinking)87.1#667 (Qwen 3 8B)
9Qwen 3 32B (Thinking)85.7#424 (Qwen 3 32B)
10Qwen 3 235B A22B (Thinking)85.7#304 (Qwen 3 235B A22B)
11Claude Haiku 4.584.3#271
12Qwen 3 235B A22B (Non-reasoning)84.3#304 (Qwen 3 235B A22B)
13Qwen 3 14B (Reasoning)80#524 (Qwen 3 14B)

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

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