How much does DeepSeek V4 Flash 0731 cost per 1M tokens?

DeepSeek V4 Flash 0731 costs $0.043 per 1M input tokens and $0.300 per 1M output tokens on the standard tier. Cached input is $0.035 per 1M.

What is DeepSeek V4 Flash 0731's context window?

DeepSeek V4 Flash 0731 accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.

Is there a cheaper DeepSeek model than DeepSeek V4 Flash 0731?

Yes. DeepSeek Flash Latest is $0.006 per 1M input tokens versus $0.043 for DeepSeek V4 Flash 0731, with a 1,048,576 token context window.

Where does this DeepSeek V4 Flash 0731 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.

DeepSeek V4 Flash 0731 pricing

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. DeepSeek V4 Flash 0731 from DeepSeek costs $0.043 per 1M input tokens and $0.300 per 1M output tokens. Cached input is $0.035 per 1M. Context window 1,048,576 tokens.

API id deepseek-v4-flash-0731 · DeepSeek · source · updated 2026-11-10 · general-purpose

$0.043

Input / 1M tokens

$0.300

Output / 1M tokens

$0.035

Cached input / 1M

Context window

DeepSeek V4 Flash 0731 specifications

Provider: DeepSeek
API id: deepseek-v4-flash-0731
Model type: general-purpose
Context window: 1M tokens
Max output: 944K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-11-10

DeepSeek V4 Flash 0731 across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

Provider	Input /1M	Cached /1M	Output /1M	1M in + 1M out	vs vendor
DeepSeekVendorCheapestviewing	$0.043	$0.035	$0.300	$0.34	—
OpenRouterHost	$0.043	$0.035	$0.300	$0.34	—

What DeepSeek V4 Flash 0731 costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0002
Document summary	50,000	2,000	$0.0028
1M tokens in, 200K out	1,000,000	200,000	$0.10

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

DeepSeek V4 Flash 0731 price history

Recorded	Input /1M	Output /1M
2026-11-08	$0.043	$0.300
2026-11-07	$0.055	$0.300
2026-11-03	$0.059	$0.300
2026-10-27	$0.119	$0.238
2026-10-26	$0.440	$1.32
2026-10-25	$0.042	$0.169
2026-10-24	$0.044	$0.133
2026-10-20	$0.440	$1.32
2026-10-19	$0.150	$0.150
2026-10-18	$0.100	$0.300
2026-10-17	$0.018	$0.965
2026-10-16	$0.013	$1.28

Common questions

How much does DeepSeek V4 Flash 0731 cost per 1M tokens?: DeepSeek V4 Flash 0731 costs $0.043 per 1M input tokens and $0.300 per 1M output tokens on the standard tier. Cached input is $0.035 per 1M.
What is DeepSeek V4 Flash 0731's context window?: DeepSeek V4 Flash 0731 accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.
Is there a cheaper DeepSeek model than DeepSeek V4 Flash 0731?: Yes. DeepSeek Flash Latest is $0.006 per 1M input tokens versus $0.043 for DeepSeek V4 Flash 0731, with a 1,048,576 token context window.
Where does this DeepSeek V4 Flash 0731 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.

Head-to-head comparisons

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