DeepSeek has released two new AI models, V4 Flash and V4 Pro, in preview. The V4 Pro version boasts 1.6 trillion total parameters with 49 billion active at once, making it the largest open-weight model available for individual use. Both models support a context window of one million tokens, enabling tasks such as analyzing entire book series or company documentation in a single query.
This development is significant for students, developers, and small businesses who previously lacked access to such powerful AI without substantial costs. The models aim to rival top commercial offerings like GPT-5.2 in reasoning capabilities, democratizing advanced AI tools.