Logic Puzzle
Gpt 5.1's response to the 'Logic Puzzle' challenge.
GPT-5.1
November 13, 2025
Text
?Prompt
Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?
Response
Each brother has 2 sisters. One of them is Sally herself, so there must be exactly one other girl.
So Sally has 1 sister.
About GPT-5.1
Capabilities
ConversationReasoningCode GenerationAnalysis
Categories
TextCodeMultimodal
Specifications
- Provider
- Openai
- Released
- 2025-11-13
- Size
- XLARGE
- Context
- 400,000 tokens