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DeepSeek V4 Flash 0731 API pricing

Token prices on OpenRouter and at the provider’s list price, and what your own workload would cost per month.

Input
$0.017
Output
$1.28
Cached input
$0.017

OpenRouter, per 1M tokens. A dash means no listed price.

Your monthly cost

Your workload

90M input and 18M output tokens a month (30-day month; token counts are per request).

Assumes: 1,000 conversations a day, each sending about 3,000 tokens of history and instructions and receiving about 600 tokens of replies.

Input not in cache
$1.54
Output
$23.04
Total per month
$24.58
Per day
$0.819
Per request
$0.00082
Unit
Currency

The share you mark as “from cache” is billed at this model’s published cache-read price. Cache-write charges are not included. Compare this bill with other models.

Every price, with its source

OpenRouter price, per 1M tokens

Input
$0.017
Output
$1.28
Cached input (read)0% below the input price
$0.017
Context window
1,048,576 tokens
Maximum output
943,718 tokens
Accepts
text
Reasoning mode
yes
Intelligence Indexby Artificial Analysis, relayed by OpenRouter
34.3
Listed since
31 Jul 2026

No provider list price is recorded for this model: the figures above are what OpenRouter charges, which can differ from buying directly.

Collected from the OpenRouter models API (466 entries). 99 models are cross-checked against provider list prices in the LiteLLM price table.

About DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

Description supplied by OpenRouter. Model id for the API: deepseek/deepseek-v4-flash-0731

Other DeepSeek models

Questions and answers

How much does DeepSeek V4 Flash 0731 cost per million tokens?

At the collection of 3 Oct 2026, 08:40 UTC, OpenRouter listed DeepSeek V4 Flash 0731 at $0.017 per million input tokens and $1.28 per million output tokens.

What would DeepSeek V4 Flash 0731 cost per month?

For 1,000 requests a day with 3,000 input and 600 output tokens each, over a 30-day month and with no caching, the bill is $24.58. Change the numbers in the simulator on this page to match your own traffic.

Does DeepSeek V4 Flash 0731 have a cheaper price for cached input?

Yes. Cached input is listed at $0.017 per million tokens, 0% below the normal input price.

What is the context window of DeepSeek V4 Flash 0731?

1,048,576 tokens, with a maximum output of 943,718 tokens, as reported by OpenRouter.

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