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CostPerPrompt

DeepSeek V4 Flash API Pricing

DeepSeek · context window 1M · prices updated 2026-08-02

Input per 1M tokens
$0.14
Output per 1M tokens
$0.28
Cached input per 1M
$0.028
80% cheaper than fresh input

What real workloads cost on DeepSeek V4 Flash

Workload Per request Per month
1K short requests/day (500 in / 150 out) $0.0001 $3.36
Support chatbot, 500 convs/day (~5K in / 1.4K out per conv) $0.0011 $16.38
Document pipeline, 10K docs/day (3K in / 500 out) $0.0006 $168

Model your exact traffic in the API cost calculator — it preloads DeepSeek V4 Flash with caching and batch options.

Cheaper alternatives

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Frequently asked questions

How much does the DeepSeek V4 Flash API cost?

DeepSeek V4 Flash costs $0.14 per million input tokens and $0.28 per million output tokens, with cached input at $0.028 per million (80% cheaper). In practice, a typical short request (500 tokens in, 150 out) costs about $0.0001.

What does 1,000 requests per day cost on DeepSeek V4 Flash?

At 500 input + 150 output tokens per request, 1,000 requests/day costs about $3.36 per month. Heavier workloads scale linearly — use our API cost calculator to model your exact traffic.

How can I reduce DeepSeek V4 Flash costs?

Three levers, in order of impact: (1) route routine requests to a cheaper tier and keep DeepSeek V4 Flash for hard cases; (2) enable prompt caching — cached input is 80% cheaper, which typically halves chatbot bills; (3) use the batch API for non-urgent jobs at a ~50% discount.

Is DeepSeek V4 Flash worth the price?

It depends on task difficulty. Flagship models earn their premium on complex reasoning, coding, and high-stakes output; mini/flash tiers handle classification, extraction and routine chat at 10–30× lower cost. Benchmark a sample of your real workload on both before committing.