From the source
Perplexity announced support for the new model perplexity/deepseek-v4-flash-0731 in its Agent API and Router API, describing it as a fast, efficient open reasoning model with a 1M-token context window.
Perplexity· 27 AugDeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 now available with 1M-token context window
New model
From the source
The Agent API and Router API now support perplexity/deepseek-v4-flash-0731, a fast, efficient open reasoning model with a 1M-token context window.
docs.perplexity.ai