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DeepSeek V4.1 Flash 1017 pricing

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the deepseek-flash API model name. DeepSeek V4.1 Flash 1017 from DeepSeek costs $0.006 per 1M input tokens and $0.500 per 1M output tokens. Cached input is $0.005 per 1M. Context window 1,048,576 tokens.

API id deepseek-v4.1-flash-1017 · DeepSeek · source · updated 2026-11-10 · general-purpose

$0.006
Input / 1M tokens
$0.500
Output / 1M tokens
$0.005
Cached input / 1M
1M
Context window

DeepSeek V4.1 Flash 1017 specifications

Provider
DeepSeek
API id
deepseek-v4.1-flash-1017
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
  • vision

DeepSeek V4.1 Flash 1017 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
DeepSeekVendorCheapestviewing
$0.006$0.005$0.500$0.51—
$0.006$0.005$0.500$0.51—
$0.300$0.006$1.20$1.50+196%

What DeepSeek V4.1 Flash 1017 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0003
Document summary50,0002,000$0.0013
1M tokens in, 200K out1,000,000200,000$0.11

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

DeepSeek V4.1 Flash 1017 price history

RecordedInput /1MOutput /1M
2026-11-08$0.006$0.500
2026-11-07$0.150$0.600
2026-11-02$0.300$1.20
2026-10-31$0.150$0.600
2026-10-26$0.300$1.20
2026-10-24$0.150$0.600
2026-10-19$0.300$1.20
2026-10-19$0.300$1.20
2026-10-18$0.150$0.600

Common questions

How much does DeepSeek V4.1 Flash 1017 cost per 1M tokens?
DeepSeek V4.1 Flash 1017 costs $0.006 per 1M input tokens and $0.500 per 1M output tokens on the standard tier. Cached input is $0.005 per 1M.
What is DeepSeek V4.1 Flash 1017's context window?
DeepSeek V4.1 Flash 1017 accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.
Where does this DeepSeek V4.1 Flash 1017 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

Other DeepSeek models

See all DeepSeek pricing →