Hello!
I would love to see Claude’s new reasoning-model (3.7) being integrated with the agent inside of composer.
Regards
Johannes.
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Came to make the same post.
Does anyone know why I can’t add the model manually and use my Anthropic API key?
Yes please!
It is not available to me.
Version: 0.45.15
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I use the latest version of Cursor from the website, Sonnet 3.7 is not available
Upd. It just showed up. Version: 0.45.15
Updated to v.0.46.3, still not showing up.
try to add
claude-3.7-sonnet-thinking and claude-3-7-sonnet-20250219
should work now.
THANK YOU
I just checked after I saw the tweet and it’s indeed in there 
I’m excited to try it out later today!
Didn’t even need to restart the app. Maybe it’s been there and I just didn’t notice. Either way, kudos to the team for shipping fast and probably working with Anthropic to make this happen!
How?
Fix on Mac!
→ First, look for any updates. Update to v.0.46.3.
→ Click “Cursor” in the upper left corner.
→ Quit Cursor.
→ Open the application agian.
→ It should be there.
But, I still can’t use the model? I have Pro with usage based pricing.
That was quick thanks Cursor Team you Get a Star
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So is it free for now? Will the thinking version use more fast requests?
Cursor is not free! ?
Great! But when will it be added to composer?
Worked just fine now. Just give it some time when selecting it for the first time.
It is utterly unbelievable!!