VeriTaS: The First Dynamic Benchmark for Multimodal Automated Fact-Checking: leaderboard

VeriTaS reports source-table results for multimodal automated fact-checking systems on real-world claims collected from fact-checking organizations. The benchmark covers textual and audiovisual content, and the pinned metric is MSE, measuring the model’s scoring error against the benchmark’s standardized verdict-and-justification scheme. It is a dynamic benchmark updated quarterly. Source: BenchmarkList’s attributed result table.

Metric: MSE. Source: benchmarklist.com. Saturation forecast: Around June 2027. 22 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.60.18#67
2Gemini 3 Flash0.28#103
3Qwen 3.5 397B A17B0.32#154
4Gemma 4 31B0.36#212
5Gemini 3.1 Pro (Preview)0.39#64
6GPT-50.83#105
7Llama 4 Maverick0.86#486

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=veritas-the-first-dynamic-benchmark-for-multimodal-automated-fact-checking · How It Works · Data refreshed daily, snapshot 2026-11-05.