How much does DeepSeek V4 Flash 0423 cost per 1M tokens?

DeepSeek V4 Flash 0423 costs $0.049 per 1M input tokens and $0.098 per 1M output tokens on the standard tier. Cached input is $0.010 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 384,000 output tokens.

Is there a cheaper DeepSeek model than DeepSeek V4 Flash 0423?

Yes. DeepSeek V4 Flash 0731 is $0.030 per 1M input tokens versus $0.049 for DeepSeek V4 Flash 0423, with a 1,310,720 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.

DeepSeek V4 Flash 0423 pricing

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. DeepSeek V4 Flash 0423 from DeepSeek costs $0.049 per 1M input tokens and $0.098 per 1M output tokens. Cached input is $0.010 per 1M. Context window 1,048,576 tokens.

API id deepseek-v4-flash · DeepSeek · source · updated 2026-09-25 · general-purpose

$0.049

Input / 1M tokens

$0.098

Output / 1M tokens

$0.010

Cached input / 1M

Context window

DeepSeek V4 Flash 0423 specifications

Provider: DeepSeek
API id: deepseek-v4-flash
Model type: general-purpose
Context window: 1M tokens
Max output: 384K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

DeepSeek V4 Flash 0423 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	$0.049	$0.010	$0.098	$0.15	—
OpenRouterHost	$0.049	$0.010	$0.098	$0.15	—

What DeepSeek V4 Flash 0423 costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0001
Document summary	50,000	2,000	$0.0026
1M tokens in, 200K out	1,000,000	200,000	$0.07

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

DeepSeek V4 Flash 0423 price history

Recorded	Input /1M	Output /1M
2026-09-25	$0.049	$0.098
2026-09-21	$0.089	$0.177
2026-09-20	$0.037	$0.073
2026-09-19	$0.047	$0.095
2026-09-14	$0.089	$0.177
2026-09-13	$0.050	$0.100
2026-09-12	$0.067	$0.134
2026-09-07	$0.089	$0.177
2026-09-06	$0.082	$0.164
2026-09-05	$0.086	$0.172
2026-09-02	$0.089	$0.177
2026-09-01	$0.081	$0.162

Common questions

How much does DeepSeek V4 Flash 0423 cost per 1M tokens?: DeepSeek V4 Flash 0423 costs $0.049 per 1M input tokens and $0.098 per 1M output tokens on the standard tier. Cached input is $0.010 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 384,000 output tokens.
Is there a cheaper DeepSeek model than DeepSeek V4 Flash 0423?: Yes. DeepSeek V4 Flash 0731 is $0.030 per 1M input tokens versus $0.049 for DeepSeek V4 Flash 0423, with a 1,310,720 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.

Head-to-head comparisons

Compare DeepSeek V4 Flash 0423 with another model →

Other DeepSeek models

See all DeepSeek pricing →