tech
April 24, 2026
DeepSeek returns with V4-Pro and V4-Flash, a year after its ‘Sputnik moment’
The Hangzhou startup released preview versions of both models on Hugging Face on Friday. V4-Pro claims top performance on coding and maths among open models, trails only Gemini 3.1-Pro for world knowledge, and falls “marginally short” of GPT-5.4 and Gemini 3.1-Pro, a gap DeepSeek says is “approximately 3 to 6 months.” Both models are open-source.
TL;DR
- DeepSeek released preview versions of its DeepSeek-V4-Pro and DeepSeek-V4-Flash AI models.
- Both models are open-source, allowing free use and modification of their code.
- V4 models feature a Hybrid Attention Architecture to improve context retention in long conversations.
- V4-Pro leads open-source models in coding and math, slightly behind Gemini 3.1-Pro in world knowledge.
- DeepSeek claims V4-Pro is 3 to 6 months behind GPT-5.4 and Gemini 3.1-Pro.
- The models were optimized with Chinese AI chipmakers Huawei and Cambricon, not Western ones.
- This collaboration tests the limits of China's domestic AI hardware supply chain under US export restrictions.
- The release follows DeepSeek's R1 model in January 2025, which significantly impacted Nvidia's market capitalization.
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