Math Misconception Test
Claude Opus 4.5's response to the 'Math Misconception Test' challenge.
Claude Opus 4.5
November 24, 2025
Text
?Prompt
Is 9.11 greater than 9.9?
Response
No, 9.11 is not greater than 9.9.
When comparing decimals, 9.9 is the same as 9.90. Since 90 hundredths is greater than 11 hundredths, 9.9 > 9.11.
About Claude Opus 4.5
Capabilities
ConversationReasoningCode GenerationAnalysisTool Use
Categories
TextCodeMultimodal
Specifications
- Provider
- Anthropic
- Released
- 2025-11-24
- Size
- XLARGE