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CompareAI models

  1. Claude Fable 5.1Anthropic
  2. GPT-6 Astra (Fast)OpenAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
Claude Fable 5.1100/100No data4/10081/10050/100No data
GPT-6 Astra (Fast)100/100No data2/10098/10050/100No data
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
$10/ 1M
$20/ 1M
Output
$50/ 1M
$100/ 1M
Cached input
$0.25/ 1M
$2.00/ 1M
MomentumLast 2 mo
Unique users
No usage
No usage
Completed sessions
No usage
No usage
Token share
No usage
No usage
Tokens
No usage
No usage
No trend data
No trend data
RetentionWeek 1
Returning users
Pending
Pending

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