Jiekou.AI
DeepSeek's official V4 Preview release (api-docs.deepseek.com/news/news260424, Apr 24, 2026) introduces two new open-weight MoE models with 1M default context: DeepSeek-V4-Pro (1.6T total / 49B active params) positioned as open-source SOTA on agentic coding with world-knowledge and reasoning rivaling top closed models, The API is live today β developers only need to swap the model name to deepseek-v4-pro or deepseek-v4-flash on the existing base URL, with support for both OpenAI ChatCompletions and Anthropic APIs, plus dual thinking/non-thinking modes for both models. Open weights are available on Hugging Face. The note explicitly wa