HoWToBench - Plan: leaderboard

Metric: Tree-of-Writing score: GPT-4o rates each content trait 1-10 against the human reference and format traits 0, 5 or 10, combined with per-instruction LLM-assigned weights that sum to 1, mean over the plan writing instructions of HoWToBench; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 10 models tracked.

Top models

#ModelScore
1O3 Mini (2025-01-31)5.75
2GPT-4o (2024-11-20)5.02
3Claude 3.5 Sonnet (20241022)4.97
4Gemini 2.0 Flash4.94
5Claude 3 Haiku (20240307)4.78
6Llama 3.3 70B Instruct4.26

Interactive version: theaggregate.ai/benchmark?slug=howtobench-plan · How It Works · Data refreshed daily, snapshot 2026-10-07.