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LongFact-Concepts hallucination rate
7
Total Models
1.81
Average Score
0.70 - 5.20
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-4.1
openai
0.70%
GPT-5 mini
openai
0.70%
GPT-5
openai
1.00%
GPT-5 nano
openai
1.00%
GPT-4.1 Mini
openai
1.10%
o4 Mini
openai
3.00%
o3
openai
5.20%