
Open vs closed models: how much each benchmark point costs (GLM-5.3, Kimi K3, Opus 5.5)
A point on an open model costs 2.3 to 51 times less than on a closed one. The math for GLM-5.3, Kimi K3, MiMo-V2.6-Pro, Opus 5.5, Sonnet 5.5 and Fable 5.1, with a script to redo it with your own numbers.










