token.app › Compare › DeepSeek V4 Flash 0731 vs DeepSeek V4.1 Flash 1017

DeepSeek V4 Flash 0731 vs DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is 2.5× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
DeepSeek V4 Flash 0731DeepSeek V4.1 Flash 1017
ProviderDeepSeekDeepSeek
Input $/1M$0.440$0.150
Output $/1M$1.32$0.600
Blended $/1M$0.660$0.262
Context window1.0M1.0M
Max output131K393K
ReleasedJul 2026Oct 2026
LicenceOpen weightsOpen weights
Choose DeepSeek V4 Flash 0731 if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4.1 Flash 1017 if…
  • Costs less per token — $0.262 vs $0.660 blended
  • Newer model (released Oct 2026)
FAQ
Which is better, DeepSeek V4 Flash 0731 or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both DeepSeek V4 Flash 0731 and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is DeepSeek V4 Flash 0731 cheaper than DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is cheaper: $0.262 versus $0.660 per million tokens blended at 3:1 input:output. Input alone: $0.440 vs $0.150. Output alone: $1.32 vs $0.600.
What context windows do DeepSeek V4 Flash 0731 and DeepSeek V4.1 Flash 1017 have?
DeepSeek V4 Flash 0731: 1,048,576 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes DeepSeek V4 Flash 0731 and DeepSeek V4.1 Flash 1017?
DeepSeek V4 Flash 0731 is made by DeepSeek. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
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