DeepSeek has launched its newest AI fashions, the V4 Professional and Flash variations, a bit of over a 12 months after it went viral and become the highest rated loose app on Apple’s App Retailer in america. “Welcome to the technology of cost-effective 1 million context period,” DeepSeek mentioned in its announcement. Context period is what you name the utmost choice of tokens that an AI style can have in mind, so the larger it’s, the extra coherent and constant an AI is in terms of prolonged conversations. OpenAI’s just lately introduced GPT‑5.5 has a context window starting from 400,000 to at least one million, as an example.
The brand new style remains to be open-source, permitting customers to obtain its code and adjust it if they would like. DeepSeek says V4 Professional has enhanced agentic functions and claims that it competitors most sensible closed-source fashions in terms of reasoning. It additionally says that it trails best Gemini-3.1-Professional in wealthy international wisdom. In the meantime, V4 Flash isn’t reasonably as robust because the V4 Professional, however it has quicker reaction occasions. Nonetheless, its reasoning talents intently way V4 Professional, DeepSeek says, and it plays on par with with the Professional model on easy Agent duties.
In a while after DeepSeek crowned the App Retailer charts, it was once banned to be used via US federal companies and on government-owned gadgets. Government believed it was once a countrywide safety possibility and posed a risk to US AI shares. South Korea additionally paused downloads of its app over privateness issues.



