$0.0004 for one request, and $0.02 a day at 50 requests a day.
Show the maths
New input: 1,000 tokens × $0.15 per million = $0.0002
Output: 400 tokens × $0.60 per million = $0.0002
1,500 requests a month × $0.0004 = $0.59
Caching half the input would save about $0.11 a month
That uses the published cache-read price of $0.003 per million tokens. It assumes half of these input tokens are already in a cache. Writing the cache can cost extra, and that write price is not included.
A reply half as long would save about $0.18 a month
Output tokens are often the expensive part. Asking for a shorter answer cuts that cost directly.
Cached prices here are read prices. Writing a cache can cost extra, and that write price is on the provider’s page, not in this total. A US-only endpoint is 1.1× at some providers and is not included. Fast modes are not included.
How much does DeepSeek Flash cost?
DeepSeek Flash is $0.15 per million input tokens and $0.60 per million output tokens on the standard price checked on the provider’s page. Cached input, meaning tokens already stored and read back, is $0.003 per million tokens.
What is the context window for DeepSeek Flash?
The context window we could confirm is 1,000,000 tokens. That is the amount of text the model can hold in one request, input and output together, within the provider’s other limits.
Where does the DeepSeek Flash price come from?
The figures were read from DeepSeek’s pricing page on 23 October 2026: https://api-docs.deepseek.com/quick_start/pricing. If that page has changed since, the page is ahead of this site until the snapshot is updated.
Does DeepSeek Flash have a peak price?
Yes. Peak is double the off-peak price: $0.30 input and $1.20 output per million tokens. Peak hours are weekdays 01:00–04:00 and 06:00–10:00 UTC, except Chinese public holidays. The calculator uses off-peak until you turn peak on.