4 sources healthy · latest episode 9 Nov 2026
descriptive claim

Grok 4.5 is the first model trained jointly by SpaceX and Cursor, according to the speaker.

Dwarkesh Patel · Ryan Greenblatt – What happens once AI can automate AI research? · 11 Aug 2026

In their words

The transcript segments this claim was taken from

“It's the first model that SpaceX and Cursor have trained together,”
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