DeepSeek V4 Flash vs. Claude Haiku, Sonnet, and Opus: A Coding Review (August 2026)

The question isn’t which model wins DeepSeek pushed the official deepseek-v4-flash API into public beta on July 31, 2026, and immediately claimed its cheap tier now beats DeepSeek’s own more expensive V4-Pro-Preview on agent benchmarks. Then, on August 13, 2026 (the announcement that landed in most feeds on Friday, August 14), DeepSeek took V4-Pro to […]