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DeepSeek: 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: DeepSeek V4 Flash 0731 from OpenRouter 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/deepseek-v4-flash-0731 · OpenRouter · source · updated 2026-11-10 · general-purpose

$0.043
Input / 1M tokens
$0.300
Output / 1M tokens
$0.035
Cached input / 1M
1M
Context window

DeepSeek: DeepSeek V4 Flash 0731 specifications

Provider
OpenRouter
API id
deepseek/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

Tags

  • fast

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.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
DeepSeekVendorCheapest
$0.043$0.035$0.300$0.34—
OpenRouterHostviewing
$0.043$0.035$0.300$0.34—

What DeepSeek: DeepSeek V4 Flash 0731 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0002
Document summary50,0002,000$0.0028
1M tokens in, 200K out1,000,000200,000$0.10

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

DeepSeek: DeepSeek V4 Flash 0731 price history

RecordedInput /1MOutput /1M
2026-11-08$0.043$0.300
2026-11-03$0.059$0.300
2026-10-27$0.119$0.238
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
2026-10-12$0.016$0.640
2026-10-11$0.017$0.640

Common questions

How much does DeepSeek: DeepSeek V4 Flash 0731 cost per 1M tokens?
DeepSeek: 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: DeepSeek V4 Flash 0731's context window?
DeepSeek: 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 OpenRouter model than DeepSeek: DeepSeek V4 Flash 0731?
Yes. Free Models Router is free per 1M input tokens versus $0.043 for DeepSeek: DeepSeek V4 Flash 0731, with a 200,000 token context window.
Where does this DeepSeek: DeepSeek V4 Flash 0731 price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

See all OpenRouter pricing →