RECON (Long-Context Reasoning) - Cascade Propagation: leaderboard

Trace which downstream conclusions in a long case file are affected once a fact is invalidated; from RECON (2026). Score from -1 to 1 with negative marking, higher is better.

Metric: Score (-1 to 1; tracing which downstream conclusions an invalidated fact affects; full 50K-100K-token case file in context; 1,414 questions after a closed-book contamination filter; abstention allowed, MCQ-single wrong answers -0.2, MCQ-multiple option-weighted in [-1, 1], ordering by Kendall tau, free-form by two cross-family LLM judges; temperature 0). Source: arxiv.org. Saturation forecast: Not forecast. 8 models tracked.

Top models

#ModelScoreOverall rank
1GPT-4o Mini (2024-07-18)0.36#1510
2GPT-4.1 Mini0.33#779
3Llama 3.3 70B0.33#1498
4Kimi K2.50.3#256
5GPT-5.10.3#229
6Gemini 2.5 Flash0.28#453
7Gemini 2.5 Pro0.22#266

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=recon-long-context-reasoning-cascade-propagation · How It Works · Data refreshed daily, snapshot 2026-11-13.