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CompareAI models

  1. Claude Sonnet 5Anthropic
  2. GPT-5.6 LunaOpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Claude Sonnet 5100/10092/10020/10082/10050/10092/100
GPT-5.6 Luna39/10081/10065/10099/10050/10069/100
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image, Pdf
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$2.00/ 1M
$0.20/ 1M
Output
$10/ 1M
$1.20/ 1M
Cached input
$0.20/ 1M
$0.02/ 1M
MomentumLast 2 mo
Unique users
No usage
405K
Completed sessions
No usage
762,225
Token share
No usage
1.22%
Tokens
No usage
5.3T+100%
No trend data
JUL 4AUG 28
RetentionWeek 1
Returning users
Pending
49.8%18K user-weeks

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