RPCBench - Fact Fabrication: leaderboard

RPCBench tests proactive critique of flawed recommendation premises, locating the premise problem and suggesting a suitable strategy while remaining faithful to the provided evidence. This series reports RPCBench - Fact Fabrication from 2609.00918v1, S3.T2: Fact Fabrication Rate (%). Lower is better.

Metric: Fact Fabrication Rate (%). Source: arxiv.org. Saturation forecast: Estimated already saturated. 11 models tracked.

Top models

#ModelScoreOverall rank
1Qwen 3.5 122B A10B1.8#329
2Qwen 3.5 Plus1.9#227
3Qwen 3.5 35B A3B2.1#480
4Qwen 3.5 397B A17B2.2#242
5GPT-5.53.9#48
6DeepSeek V4 Pro7#181
7Gemini 3.1 Pro (Preview)7.6#91
8DeepSeek V4 Flash8.4#254
9Claude Sonnet 4.613.2#158
10Llama 3.1 70B Instruct46.2#1541
11Llama 3.1 8B Instruct53.7#4277

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

Interactive version: theaggregate.ai/benchmark?slug=rpcbench-fact-fabrication · How It Works · Data refreshed daily, snapshot 2026-11-12.