DeepSeek launching v4.1 flash cheaper and more capable than v4 pro

DeepSeek is set to release its V4.1 Flash model around September 10, 2026, which is stated to surpass the V4 Pro in performance, cost, speed, and task completion. Upon launch, all Pro model requests will be routed to V4.1 Flash and billed at Flash's price. Pricing for the Flash series will also be adjusted on September 10, 2026, with off-peak rates including $0.003 for input cache hits, $0.15 for input cache misses, and $0.6 for output, with peak hours doubling these rates.