RECON (Long-Context Reasoning) - Source Conflict Resolution: leaderboard

Resolve conflicting statements from different sources within a long case file; from RECON (2026). Score from -1 to 1 with negative marking, higher is better.

Metric: Score (-1 to 1; resolving conflicting sources; 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: Around 2029. 8 models tracked.

Top models

#ModelScoreOverall rank
1GPT-4o Mini (2024-07-18)0.34#1510
2GPT-5.10.32#229
3Gemini 2.5 Pro0.27#266
4Kimi K2.50.25#256
5GPT-4.1 Mini0.24#779
6Llama 3.3 70B0.22#1498
7Gemini 2.5 Flash0.16#453

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-source-conflict-resolution · How It Works · Data refreshed daily, snapshot 2026-11-13.