LiveBench Research

Research a brief and write a report with sources. A rubric for each task grades the report.

ModelsModels with a result.52
Top resultBest result on this benchmark.88.9%Claude Opus 5
Top-3 spreadPoints from first to third.2.0 pts
UpdatedDate the source changed the results.14 Oct 2026

Result and cost

52 of 52 results

Results

52 results
#ModelResultThe score from the source.CostUS dollars to run one task.
26GLM-5.3max effort73.2%$1.63
42GPT-5.5xhigh effort61.6%$17.14
44Inkling59.9%$1.67