DeepSeek was hugely underpricing cache hit pricing before and even after this increase they're still cheaper on that metric than every other provider I'm aware of, but it will put an end to those "I used 1 billion tokens and spent $4" reports.

      Model                         |                 | Input                  | Output          | Cache Read      
     ------------------------------------|----------------|-----------------------------|---------------------|----------------- 
      DeepSeek-V4-Flash | Prev        | $ 0.14                   | $ 0.28            | $ 0.0028        
                                           | Off-Peak | $ 0.22 (1.6x)       | $ 0.66 (2.4x) | $ 0.007 (2.5x)  
                                           | Peak        | $ 0.44 (3.1x)       | $ 1.32 (4.7x) | $ 0.014 (5.0x)  
      DeepSeek-V4-Pro     | Prev        | $ 0.435                | $ 0.87             | $ 0.003625      
                                           | Off-Peak | $ 0.66 (1.5x)       | $ 1.98 (2.3x)  | $ 0.022 (6.1x)  
                                           | Peak        | $ 1.32 (3.0x)       | $ 3.96 (4.6x) | $ 0.044 (12.1x)

EDIT: formatting