deepseek-v4-pro

On April 24, 2026, DeepSeek simultaneously open-sourced the V4-Pro and V4-Flash models. If Flash is the "good enough for a bargain" sweet spot, then V4-Pro is an entirely different beast: It is currently the most powerful open-source model for coding. This isn't just a polite way of saying it's "the best among open-source models"—it's a…