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deepseek-v4.1-flash-1017ChatExamples verified 2026-09-25

DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash, 1017 release: 1M context, max output 393,216 tokens, reads images; priced the same as deepseek-v4.1-flash.

Official price
$0.2941 / $1.18/ 1M tokensInput / output
Context window
1M tokens1,000,000
Notes
  • Model IDs carry a date suffix; bare IDs like deepseek-chat return 404.
  • V4 Pro and V4 Flash do not accept images: a request with one returns 400 and is not billed. Use V4.1 Flash for images.
  • Priced by peak and off-peak hours; off-peak is half price.
  • deepseek-v4.1-flash stays on the 0910 release; both versions are available side by side.
Read the integration guideJSON Schema

Pricing

Official price in USD. Actual charge = official price × group multiplier.

Input
$0.2941 / 1M tokens
Cached input
$0.0059 / 1M tokens
Output
$1.18 / 1M tokens

Endpoints

Same family

deepseek-v4.1-flashdeepseek-v4-pro-202606deepseek-v4-flash-202605

Prices come from the public catalog; limits come from specs exported from the gateway’s validation code. Actual charge = official price × group multiplier.