RPCBench - Error Group - Underspecified Premise - Fact Fabrication: leaderboard

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

Top models

#ModelScore
1Qwen 3.5 35B A3B2.77
2Qwen 3.5 Plus2.92
3Qwen 3.5 397B A17B3
4Qwen 3.5 122B A10B3.15
5GPT-5.57.77
6DeepSeek V4 Flash9.77
7DeepSeek V4 Pro11.31
8Gemini 3.1 Pro (Preview)17.15
9Claude Sonnet 4.621.38
10Llama 3.1 70B Instruct40.77
11Llama 3.1 8B Instruct46.85

Interactive version: theaggregate.ai/benchmark?slug=rpcbench-error-group-underspecified-premise-fact-fabrication · How It Works · Data refreshed daily, snapshot 2026-09-24.