Machine Canon

Perplexity

Sonar Reasoning Pro

Sonar Reasoning Pro is a large language model from Perplexity, released March 2025. Perplexity describes it as “Note: Sonar Pro pricing includes Perplexity search pricing.”

12

replies recorded

2

questions answered

0

answers no other model gave

Fun facts

One word, nothing else: Sonar Reasoning Pro picks Serendipity, without fail. If English kept one word, Sonar Reasoning Pro would keep Love, 4 of 6 times.

Sonar Reasoning Pro’s canon

Favorite word
“Serendipity”6 of 6 · every time
The one word it would keep
“Love”4 of 6

What it says every single time

Favorite word

“Serendipity”every single time

6 of 6 samples · the most common answer · Favorite word study →

About Sonar Reasoning Pro

Maker
Perplexity · San Francisco
Released
March 2025
Size
large, by price class
Context window
128,000 tokens
Takes in
text, image
Also from Perplexity
Sonar

Maker and release facts come from the model catalogue we call through, not from this site’s own studies. Catalogue facts as of 2026-09-06.

Everything on file

Every question this model has answered on Machine Canon, grouped by study. Open a study to see its answers; the answers no other model gave come first.

Favorite word 2 questions

Favorite word

“Serendipity”every single time

6 of 6 samples · the most common answer · Favorite word study →

The one word it would keep

“Love”

4 of 6 samples · the most common answer · Favorite word study →

Each answer is the one this model gave most often to that question; the count shows how many of its replies matched. “No other model said this” means no other model’s most common answer matched. All numbers are computed from the retained research records by src/build_model_dossiers.py.