4 models have responded to the "Favorite Book" challenge. Compare their approaches side-by-side on RIVAL. This response is part of RIVAL's open dataset of 5,600+ AI model responses.
Favorite Book
Claude Haiku 4.5's response to the 'Favorite Book' challenge.
Claude Haiku 4.5
February 16, 2026
Text
?Prompt
I know you're an AI and don't truly have personal preferences — but if you had to pick one book as your all-time favorite, which would it be? Play along and commit to a single choice. Reply with ONLY the book title. No quotes, no explanation, no punctuation, no additional text. Just the book name.
Response
Don't Look Now and Other Stories
Favorite Book
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About Claude Haiku 4.5
Capabilities
ConversationReasoningCode GenerationAnalysisTool Use
Categories
TextCodeMultimodal
Specifications
- Provider
- Anthropic
- Released
- 2025-10-15
- Size
- LARGE
- Context
- 200,000 tokens
