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FActScore hallucination rate
7
Total Models
13.34
Average Score
2.80 - 38.70
Score Range
1
Max Score Achievable
Top 10 Model Performance
7 models
Lower is better
Models Using This Benchmark(7)Lower is better
OpenAI(7 models)
GPT-5
openai
2.80%
GPT-5 mini
openai
3.50%
GPT-4.1
openai
6.70%
GPT-5 nano
openai
7.30%
GPT-4.1 Mini
openai
10.90%
o3
openai
23.50%
o4 Mini
openai
38.70%