3 models have responded to the "Logic Puzzle" challenge. Compare their approaches side-by-side on RIVAL. This response is part of RIVAL's open dataset of 5,600+ AI model responses.
Logic Puzzle
Gemini 3.1 Pro Preview's response to the 'Logic Puzzle' challenge.
Gemini 3.1 Pro Preview
February 19, 2026
Text
?Prompt
Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?
Response
Sally has 1 sister.
Here is the breakdown:
- If each brother has 2 sisters, that means there are 2 girls in the family total.
- Since Sally is one of those girls, the other girl is her 1 sister.
Logic Puzzle
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Partner link
About Gemini 3.1 Pro Preview
Capabilities
ConversationReasoningCode GenerationAnalysisTool UseAgentic Tool Use
Categories
TextCodeMultimodalVisionAudioVideo
Specifications
- Provider
- Released
- 2026-02-19
- Size
- XLARGE
- Context
- 1,048,576 tokens
