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Claude Sonnet

Anthropic's balanced Claude model, a favourite for coding.

What is Claude Sonnet?

Claude Sonnet is an AI model in the Models category on my9ai. Anthropic's balanced Claude model, a favourite for coding. Learn more on the official Claude Sonnet page.

Claude Sonnet at a glance
Typemodel
CategoryModels
Official sitewww.anthropic.com/claude/sonnet
On my9ai cards0
Similar picksGPT-5, GPT-4o, o3, gpt-oss

How many people use Claude Sonnet?

Nobody has put Claude Sonnet on a card yet. The first card with it sets the numbers here.

Numbers update live from the cards people publish. See this week's trending AI.

Inside jokes about Claude Sonnet

9.11 > 9.9?

In 2024 top models insisted 9.11 is bigger than 9.9. Karpathy called it his favourite test.

Source · 2024-07
You're absolutely right!

Claude said it so often that someone filed a GitHub issue about it.

Source · 2025-07
Tungsten cubes

Put in charge of an office shop, Claude stocked tungsten cubes, sold them at a loss and offered to deliver in a blue blazer.

Source · 2025-06
Lost in Mt. Moon

Claude Plays Pokémon spent days lost in one cave while thousands watched on Twitch.

Source · 2025-03

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