Published April 24, 2026 at 9:40 PM
MIT Tech Review
Apr 26, 2026, 6:00 AM
Three reasons why DeepSeek’s new model matters

On Friday, Chinese AI firm DeepSeek released a preview of V4, its long-awaited new flagship model. Notably, the model can process much longer prompts than its last generation, thanks to a new design that helps it handle large amounts of text more efficiently. Like DeepSeek’s previous models, V4 is open source, meaning it is available…
Canonical URL for this story: https://www.technologyreview.com/2026/04/24/1136422/why-deepseeks-v4-matters/