Technology
DeepSeek schedules V4.1 Flash release and routes Pro traffic to model
Hacker News reports that DeepSeek plans to launch V4.1 Flash on September 10, replacing Pro queries temporarily.
The short version
- DeepSeek plans to release the V4.1 Flash model around September 10, 2026.[Hacker News]
- The firm claims V4.1 Flash surpasses V4 Pro in performance, cost, speed, and completion time.[Hacker News]
- Requests sent to V4 Pro will be redirected to V4.1 Flash and billed at Flash rates pending the V4.1 Pro launch.[Hacker News]
- Flash series pricing will vary between peak and off-peak hours.[Hacker News]
Key facts
- DeepSeek plans to officially launch the V4.1 Flash model around September 10, 2026.[Hacker News]
- The company claims V4.1 Flash has surpassed V4 Pro across performance, cost, speed, and task completion time.[Hacker News]
- Until V4.1 Pro launches, requests directed to the Pro model will route to V4.1 Flash and be billed at Flash prices.[Hacker News]
- Off-peak prices for the Flash series are $0.003 for input cache hits, $0.15 for cache misses, and $0.6 for output, with peak rates doubling.[Hacker News]
What remains uncertain
- DeepSeek's assertions that V4.1 Flash surpasses V4 Pro across performance, cost, and speed have not been independently evaluated.[Hacker News]
- The release date for the upcoming V4.1 Pro model has not been specified.[Hacker News]
Sources
Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.