reasoning · 2026-09-20
A snail is at the bottom of a 10-foot well. During the day, it climbs up 5 feet. At night, it slips back down 4 feet. How many days will it take for the snail to reach the top?
Answer: d
The snail nets 1 foot per day. At the start of day 6, it is at 5 feet. It climbs 5 feet during the day, reaching the 10-foot top and escaping before it can slip back down.
Model answers
- gpt-oss-20b (openai/gpt-oss-20b): d
- qwen-3-8-27b (qwen/qwen3.8-27b): d
- nemotron-3-super (nvidia/nemotron-3-super-120b-a12b:free): d
- gemini-3-8-flash (gemini-3.8-flash-low): d
- gemini-3-1-pro (gemini-3.1-pro-high): d
- claude-opus-4-6 (claude-opus-4-6-thinking): d