GPT-5.3-Codex — Logic Puzzle
4 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
Gpt 5.3 Codex's response to the 'Logic Puzzle' challenge.
GPT-5.3-Codex
February 25, 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.
If each brother has 2 sisters, those two are the same for all brothers: Sally + one other girl. So Sally’s only sister is that one other girl.
Logic Puzzle
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About GPT-5.3-Codex
Capabilities
ConversationReasoningCode GenerationAnalysisAgentic Tool Use
Categories
TextCodeMultimodal
Specifications
- Provider
- Openai
- Released
- 2026-02-24
- Size
- XLARGE
- Context
- 400,000 tokens
