
DeepSeek V4 Complete Guide: 2026's Most Worth-Switching Open API
DeepSeek V4 went live in preview on April 24, 2026, and the developer community has been running it through the wringer ever since. Two new model IDs — deepseek-v4-flash and deepseek-v4-pro — are now officially listed on the API docs with public pricing, 1M-token context, and 384K max output. The old deepseek-chat and deepseek-reasoner aliases keep working but have a hard retirement date of July 24, 2026 [DeepSeek API Docs]. ...
