DeepSeek V4-Pro hands-on: Is max reasoning worse than high? Can Harness save it?

karminski3 · x · 2026-08-16

Blogger karminski3 releases a hands-on video of DeepSeek-V4-Pro-0813, testing four questions: whether the model is disappointing, whether max reasoning is worse than high or even v4-flash, and whether using DeepSeek Harness improves results. The video provides answers.

Related event: DeepSeek V4-Pro Tests Reveal Reasoning and Control Issues(2 posts)→

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