DeepSeek V4 Pro 0813 (on OpenRouter)
Simon Willison1mo4 min read
DeepSeek V4 Pro 0813 (on OpenRouter) The latest DeepSeek Pro model is now available, via API only. I had to link to OpenRouter because DeepSeek don't have any obvious announcement page for their new model. I haven't been able to confirm if they plan to release the open weights, but given the weights are available for both April's deepseek-ai/DeepSeek-V4-Pro and July's deepseek-ai/DeepSeek-V4-Flash-0731 it seems likely. Update : the weights are now available on Hugging Face, 1.7T parameters, 893 GB. Interestingly I got very different looking pelicans for the three different reasoning levels of