DeepSeek V4 Flash API Pricing

Short answer

DeepSeek V4 Flash costs $0.09 per 1M input tokens and $0.18 per 1M output tokens . Context window: 1M. Last verified 2026-06-17 from openrouter.ai. Confidence: Auto.

DeepSeek V4 Flash is an open-weight, very low-cost 1M-context model with a steep cache-hit discount; multi-hosted.

Input
$0.09 /1M
Output
$0.18 /1M
Cached input
/1M
Input pricing$0.09
Output pricing$0.18

Limits & capabilities

Context window1M
Max output384K
Modalitytext input/output
ChannelOpenRouter
ProviderDeepSeek

Best for

Open weightLow costHigh volume
Routed cheapest host can undercut DeepSeek's own API. Open-weight. Cache hit is 1/50 of cache-miss input. Legacy chat/reasoner aliases deprecate 2026-07-24.

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