Logic Puzzle
Gpt 5.1 Codex Max's response to the 'Logic Puzzle' challenge.
GPT-5.1 Codex Max
December 5, 2025
Text
?Prompt
Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?
Response
If each of the three boys has exactly two sisters, there are two girls in the family. Sally is one of them, so she has one sister.
About GPT-5.1 Codex Max
Capabilities
ConversationReasoningCode GenerationAnalysis
Categories
TextCodeMultimodal
Specifications
- Provider
- Openai
- Released
- 2025-12-04
- Size
- XLARGE