DeepSeek shipped V4-Flash-0731 last week — same 284B parameter architecture as the preview, same 13B activated parameters per token, MIT licensed, open weights on HuggingFace. No architecture changes. No bigger model.

It now outperforms V4-Pro-Preview on several agent benchmarks.

"We've massively upgraded its Agent capabilities — benchmark scores are now far surpassing the V4-Pro-Preview."

That's what makes this release interesting. Not the model. The method.

What actually changed