estimate · 2026-09-17
How long is the Colorado River from its Rocky Mountain source to the Gulf of California, in miles, according to Grand Canyon National Park?
Answer: 1450
The cited source gives 1,450 miles for this quantity.
Model answers
- gpt-oss-20b (openai/gpt-oss-20b): 1450
- qwen-3-8-27b (qwen/qwen3.8-27b): 1450
- nemotron-3-super (nvidia/nemotron-3-super-120b-a12b:free): 1450
- gemini-3-8-flash (gemini-3.8-flash-low): 1450
- gemini-3-1-pro (gemini-3.1-pro-high): 1450
- claude-opus-4-6 (claude-opus-4-6-thinking): 1450