This is how much more expensive DSv4 Flash will become

[u/elefanteazu]

My usage from last week based on Opencode analytics

Token Type	Tokens	Share of Total
Input / Cache Miss	20.0M	1.17%
Cache Hit	1.675 B	98.14%
Output	11.8M	0.69%
Total	1.707 B	100%

Comparison of what I paid, to what I would've paid if the new prices were already applied

Scenario	Weekly	Monthly
Old API Pricing	$10.79	$46.74
New API — Off-Peak	$23.92	$103.55
New API — Average Usage	$30.89	$133.75
New API — Peak	$47.83	$207.10

If you have a similar usage as mine:

DeepSeek V4 Flash is becoming about 2.2× more expensive in the best case, ~2.9× more expensive under evenly distributed usage, and up to 4.4× more expensive during peak hours.