DeepSeek V4 Pro 0813 (on OpenRouter)

DeepSeek has released a new AI model, V4 Pro 0813, available by API through OpenRouter, since the company lacks an obvious announcement page. Simon Willison reports that DeepSeek hasn't confirmed whether open weights will be released, though previous versions of the model have been. Willison also noted the model generates visually different images depending on reasoning level—a trait he hasn't observed in competing systems.

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