DeepSeek V4.1 Flash 1017 pricing and specs

open weights

October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding

12,38 ₽input / 1M$0.15
49,53 ₽output / 1M$0.6
1.0Mcontexttokens
393Kmax outputtokens

DeepSeek V4.1 Flash 1017 price per 1M tokens

Type₽ / 1M$ / 1M
Input tokens12,38 ₽$0.15
Output tokens49,53 ₽$0.6
Cache read0,25 ₽$0.003
Reasoning49,53 ₽$0.6

Prices in rubles as of 11.11.2026 at the CBR rate: 1 $ = 82.55 ₽.

DeepSeek V4.1 Flash 1017 specs and limits

Context window
1.0M
Max output
393K
Input
text, image
Output
text
Family
deepseek-flash
Released
2026-10-17
Updated
2026-10-17
Knowledge cutoff
2025-05
Also known as
deepseek .1 flash 1017, deepseek ai .1 flash 1017, deepseek chat .1 flash 1017, deepseek reasoner .1 flash 1017, deepseek v4 .1 flash 1017, deepseek v4 pro .1 flash 1017

What DeepSeek V4.1 Flash 1017 can do

  • ✓Reasoning
  • ✓Tool calling
  • ✓Structured output
  • ✓Attachments / files
  • ✓Vision (images)
  • ✓Temperature control
  • ✓Open weights

Frequently asked questions

How much does the DeepSeek V4.1 Flash 1017 API cost?

Input costs $0.15 per 1M tokens (12.38 ₽) and output costs $0.6 per 1M (49.53 ₽). DeepSeek bills the prompt and the completion separately, so the price of a call depends on how long both are. Ruble figures use the Bank of Russia rate of 82.55 ₽ per dollar for November 2026.

How much do 1,000 DeepSeek V4.1 Flash 1017 tokens cost?

List prices are quoted per 1M tokens, so 1,000 tokens cost a thousandth of that: divide $0.15 for input and $0.6 for output by 1,000. The same rates in rubles are 12.38 ₽ and 49.53 ₽ per 1M tokens. Both prompt tokens and completion tokens are billed.

How many tokens does DeepSeek V4.1 Flash 1017 hold?

The DeepSeek V4.1 Flash 1017 context window is 1.0M tokens (1,048,576). Everything shares that budget: the system prompt, the dialogue history, attached files and the answer the model writes. The figure comes from the DeepSeek model card as of November 2026.

What are the DeepSeek V4.1 Flash 1017 limits?

The context window is 1.0M tokens (1,048,576) and a single response is capped at 393K tokens, so longer output has to be generated in parts. Rate limits are set by DeepSeek per account and depend on your plan rather than on the model, so they are not listed here.

How is the DeepSeek V4.1 Flash 1017 price in rubles calculated?

Providers quote their tariffs in US dollars, so the ruble amounts here are a conversion at the official Bank of Russia rate of 82.55 ₽ per dollar. For DeepSeek V4.1 Flash 1017 that gives 12.38 ₽ per 1M input tokens and 49.53 ₽ per 1M output tokens. When the rate moves, the ruble price moves with it.

How is DeepSeek V4.1 Flash 1017 different from other DeepSeek models?

DeepSeek V4.1 Flash 1017 belongs to the DeepSeek Flash family at DeepSeek. Models in the DeepSeek line differ in context size, price per 1M tokens and supported capabilities, so compare them by the numbers on their cards rather than by the name. Every DeepSeek model is listed on the provider page.

Can DeepSeek V4.1 Flash 1017 reason?

Yes, DeepSeek V4.1 Flash 1017 declares a reasoning mode: it works through intermediate steps before it answers. Those steps add output tokens, so a call with a long reasoning chain costs more and takes longer than a plain completion. Capabilities declared for the model: reasoning, tool calling, image input, structured output.

What capabilities does DeepSeek V4.1 Flash 1017 support?

The declared capabilities of DeepSeek V4.1 Flash 1017 are: reasoning, tool calling, image input, structured output. It accepts text, images as input, and every attachment consumes tokens from the shared context window of 1.0M tokens. The list comes from the DeepSeek model card and is refreshed with the catalog as of November 2026.

Does DeepSeek V4.1 Flash 1017 have open weights?

Yes, DeepSeek V4.1 Flash 1017 ships with open weights, so it can be downloaded and served on your own hardware instead of being used only through the DeepSeek API. What you may do with it is set by the license shown on the card. Catalog prices cover hosted API access.

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