Benchmark
LongFact Benchmark
What is LongFact?
LongFact evaluates factual precision over long-form generations containing many individual claims. Each claim is extracted and verified, and the model is…
- Modality
- text
- Evaluates
- factuality, general
- Openness
- unknown
- Importer
- LLM Stats
- Reported scores
- 1
Source provenance
- Original evidence https://api.zeroeval.com/leaderboard/benchmarks/longfact?top_n=500
LongFact results and reported scores
LLM Stats
| Model | Organization | Reported value | Reported | Evidence |
|---|---|---|---|---|
| MAI-Thinking-1 | Microsoft | 0.98 | 2026-06-02 | evidence |
Scores are partitioned by the source that reported them and are never merged into a single cross-source ranking, because the sources measure different things and say so.