Price Index Delta: DeepSeek V4.1 Flash Lands, GLM Flash Doubles
Week-over-week OpenRouter list-price delta, 2026-09-14 vs 2026-09-07: DeepSeek V4 Flash 0731 fell 57% to $0.06/$0.12 per million tokens; GLM-5.3 Flash doubled.

A row of server racks in a datacenter hot aisle, the infrastructure serving the DeepSeek and GLM endpoints whose list prices moved this week. Illustration: DeAI