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DeepSeek open-sources V4 large language model series
DeepSeek just open-sourced V4. Here's why the mixture-of-experts approach matters for your infrastructure costs.
The KeyNews take
Why it matters
DeepSeek's V4 release signals continued Chinese AI momentum in open-source LLMs with a dual-model strategy (flagship + efficiency variant), directly challenging Western model dominance and raising questions about cost-competitive reasoning at scale.
The key facts
5 to knowDeepSeek V4 series launched with 2 models: V4-Pro (flagship) and V4-Flash (efficiency-focused)
Both models use mixture-of-experts (MoE) architecture
Open-source release model
V4-Flash trades output quality for lower hardware requirements
Published April 24, 2026
Go to the source
SiliconAnglesiliconangle.com
Publisher excerpt: Chinese artificial intelligence developer DeepSeek today released a new series of open-source large language models. V4, as the algorithm family is called, comprises 2 LLMs on launch. There’s the flagship V4-Pro and a smaller model called V4-Flash that trades off some output quality for lower…