LongBench v2 (128k)

AI benchmark results and model performance

Type: numerical

58.57

Scores Over Time

Individual benchmark scores plotted by date.

Models Using This Benchmark

Organisation	Model	Reported	Top Score	Info	Self Reported	Source
ByteDance	Seed 2.0 Mini	14 Feb 2026	52.30	Seed2 official benchmark table \| LongBench v2 (128k)	Yes	Source
ByteDance	Seed 2.0 Lite	14 Feb 2026	59.60	Seed2 official benchmark table \| LongBench v2 (128k)	Yes	Source
ByteDance	Seed 2.0 Pro	14 Feb 2026	63.80	Seed2 official benchmark table \| LongBench v2 (128k)	Yes	Source