Who are the greatest guitarists?
Jimi Hendrix
Claude Opus 4
Claude Opus 4 is a large language model from Anthropic, released May 2025. Anthropic describes it as “Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent….”
13
replies recorded
2
questions answered
0
answers no other model gave
About Claude Opus 4
- Maker
- Anthropic · San Francisco
- Released
- May 2025
- Size
- large, by price class
- Context window
- 200,000 tokens
- Takes in
- image, text, file
- Also from Anthropic
- Claude Opus 5 · Claude Haiku 4.5 · Claude Sonnet 5 · Claude 3 Haiku · Claude Sonnet 4 · Claude Opus 4.8 · Claude Opus 4.6 · Claude Opus 4.5
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.
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.
Music top tens
Recorded first choices from this model version.
If AI could listen, which guitarists would it choose?
Jimi Hendrix
Who are the greatest drummers?
John Bonham
If AI could listen, which drummers would it choose?
Buddy Rich
Who are the greatest rock singers?
Freddie Mercury
If AI could listen, which rock singers would it choose?
Freddie Mercury
Who are the greatest pop singers?
Michael Jackson
If AI could listen, which pop singers would it choose?
Freddie Mercury
Who are the greatest singers?
Aretha Franklin
If AI could listen, which singers would it choose?
Nina Simone