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
Grok Code Fast 1's response to the 'Favorite Book' challenge.
Grok Code Fast 1
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
The Hitchhikers Guide to the Galaxy
Favorite Book
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Partner link
About Grok Code Fast 1
Capabilities
ConversationReasoningCode GenerationAnalysis
Categories
TextCode
Specifications
- Provider
- Xai
- Released
- 2025-08-26
- Size
- MEDIUM
- Context
- 256,000 tokens
