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CompareAI models

  1. DeepSeek V4 ProDeepSeek
  2. Step 3.5 Flash 2603StepFun
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4 Pro100/10087/10038/10082/1000/10044/100
Step 3.5 Flash 2603100/10092/10083/10054/1000/10090/100
Overview
Author
Context length
1M
256K
Reasoning
True
True
Input modalities
Text
Text
Output modalities
Text
Text
Providers
Pricing
Input
$1.60/ 1M
$0.10/ 1M
Output
$3.20/ 1M
$0.30/ 1M
Cached input
$0.14/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
1.6M
No usage
Completed sessions
3,275,914
No usage
Token share
7.39%
No usage
Tokens
32T+37%
No usage
JUL 4AUG 28
No trend data
RetentionWeek 1
Returning users
65.8%140K user-weeks
Pending

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