token.app › Compare › Claude Sonnet Latest vs DeepSeek V4.1 Flash 1017

Claude Sonnet Latest vs DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is 15× 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
Claude Sonnet LatestDeepSeek V4.1 Flash 1017
ProviderAnthropicDeepSeek
Input $/1M$2.00$0.150
Output $/1M$10.00$0.600
Blended $/1M$4.00$0.262
Context window1M1.0M
Max output128K393K
ReleasedApr 2026Oct 2026
LicenceProprietaryOpen weights
Choose Claude Sonnet Latest if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4.1 Flash 1017 if…
  • Costs less per token — $0.262 vs $4.00 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, Claude Sonnet Latest or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both Claude Sonnet Latest and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Sonnet Latest cheaper than DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is cheaper: $0.262 versus $4.00 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.150. Output alone: $10.00 vs $0.600.
What context windows do Claude Sonnet Latest and DeepSeek V4.1 Flash 1017 have?
Claude Sonnet Latest: 1,000,000 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes Claude Sonnet Latest and DeepSeek V4.1 Flash 1017?
Claude Sonnet Latest is made by Anthropic. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
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