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Compare AI models: Claude Sonnet 5.5 vs DeepSeek V4 Flash

  1. Claude Sonnet 5.5Anthropic
  2. DeepSeek V4 FlashDeepSeek
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Claude Sonnet 5.591/1000/10018/10081/10050/100100/100
DeepSeek V4 Flash25/10073/10059/10081/1000/1000/100
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text
Output modalities
Text
Text
Providers
Pricing
Input
$2.00/ 1M
$0.30/ 1M
Output
$10/ 1M
$1.20/ 1M
Cached input
$0.10/ 1M
$0.006/ 1M
MomentumLast 2 mo
Unique users
No usage
2.5M
Completed sessions
No usage
30,046,354
Token share
No usage
11.6%
Tokens
No usage
118T-54%
No trend data
AUG 23OCT 17
RetentionWeek 1
Returning users
Pending
69.3%272K user-weeks

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