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  1. Home
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  3. Claude Opus 4.5
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Back to Claude Opus 4.5

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?

Claude Opus 4.5
Response

claude-opus-4.5 logo
Claude Opus 4.5Math Misconception Test
claude-opus-4.5 logo
Claude Opus 4.5

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.

Math Misconception Test

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About Claude Opus 4.5

Capabilities

ConversationReasoningCode GenerationAnalysisTool Use

Categories

TextCodeMultimodal

Specifications

Provider
Anthropic
Released
2025-11-24
Size
XLARGE

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