DeepSeek V4 Pro Just Dropped — Here's What Changed for AI Agents

DeepSeek V4 Pro, launched on April 24, 2026, introduces a 1.6T parameter MoE model with a 1M token context, dual Think/Non-Think modes, and an MIT license. Positioned as a cost-effective solution for AI agent workloads, it boasts improved multi-step planning and reliable function calling, with pricing significantly lower than competitors like Claude Sonnet 4.6 and GPT-4o.