DeepSeek V4 Flash 0423 pricing

DeepSeek V4 Flash 0423 from DeepSeek costs $0.140 per 1M input tokens and $0.280 per 1M output tokens. Cached input is $0.028 per 1M. Context window 1,048,576 tokens.

API id deepseek-v4-flash · DeepSeek · source · updated 2026-08-11

$0.140
Input / 1M tokens
$0.280
Output / 1M tokens
$0.028
Cached input / 1M
1M
Context window

What DeepSeek V4 Flash 0423 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0003
Document summary50,0002,000$0.0076
1M tokens in, 200K out1,000,000200,000$0.20

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does DeepSeek V4 Flash 0423 cost per 1M tokens?
DeepSeek V4 Flash 0423 costs $0.140 per 1M input tokens and $0.280 per 1M output tokens on the standard tier. Cached input is $0.028 per 1M.
What is DeepSeek V4 Flash 0423's context window?
DeepSeek V4 Flash 0423 accepts up to 1,048,576 tokens in a single request, and can return up to 393,216 output tokens.
Is there a cheaper DeepSeek model than DeepSeek V4 Flash 0423?
Yes. DeepSeek V4 Flash 0731 is $0.080 per 1M input tokens versus $0.140 for DeepSeek V4 Flash 0423, with a 1,048,576 token context window.
Where does this DeepSeek V4 Flash 0423 price come from?
From the OpenRouter catalogue, because DeepSeek does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from DeepSeek's own — verify before committing spend.

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