token.app › Compare › DeepSeek V3 vs DeepSeek V4.1 Flash 1017

DeepSeek V3 vs DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is 1.7× cheaper per token on a blended 3:1 basis. DeepSeek V4.1 Flash 1017 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
DeepSeek V3DeepSeek V4.1 Flash 1017
ProviderDeepSeekDeepSeek
Input $/1M$0.257$0.150
Output $/1M$1.03$0.600
Blended $/1M$0.450$0.262
Context window164K1.0M
Max output16K393K
ReleasedDec 2024Oct 2026
LicenceOpen weightsOpen weights
Choose DeepSeek V3 if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4.1 Flash 1017 if…
  • Costs less per token — $0.262 vs $0.450 blended
  • Larger context window (1.0M)
  • Newer model (released Oct 2026)
FAQ
Which is better, DeepSeek V3 or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both DeepSeek V3 and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is DeepSeek V3 cheaper than DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is cheaper: $0.262 versus $0.450 per million tokens blended at 3:1 input:output. Input alone: $0.257 vs $0.150. Output alone: $1.03 vs $0.600.
What context windows do DeepSeek V3 and DeepSeek V4.1 Flash 1017 have?
DeepSeek V3: 163,840 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes DeepSeek V3 and DeepSeek V4.1 Flash 1017?
DeepSeek V3 is made by DeepSeek. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
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