Search and deep research
DeepResearchBench
Long-form research report generation on 100 research tasks.
About DeepResearchBench
What it measures
RACE report-quality and FACT citation/factuality evaluations.
Scope & limitations
The official evaluator changed in 2026. Pin judge and reference reports; results under different judges are not interchangeable.
Evaluation environment
Research system returning reports and citations; fixed judge pipeline.