11h ago

Cursor and SpaceXAI train a significantly larger AI model from scratch using 10 times more compute on Colossus 2’s cluster of one million H100-equivalent GPUs

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Companies expect the scale to deliver a major leap in capability.

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Together with SpaceXAI, we’re training a significantly larger model from scratch, using 10x more total compute. With Colossus 2’s million H100-equivalents and our combined data and training techniques, we expect this to be a major leap in model capability.

9:43 AM · May 18, 2026 View on X
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Elon also has a 6T and 10T version of Grok in training now. The step-change that emerged when Anthropic had enough compute to train Mythos in March will start appearing from dozens of other places this year.

CursorCursor@cursor_ai

Together with SpaceXAI, we’re training a significantly larger model from scratch, using 10x more total compute. With Colossus 2’s million H100-equivalents and our combined data and training techniques, we expect this to be a major leap in model capability.

4:43 PM · May 18, 2026 · 401.9K Views
5:07 PM · May 18, 2026 · 56.5K Views
Sualeh AsifSualeh Asif@sualehasif996

Big model coming soon ... !

5:29 PM · May 18, 2026 · 84.1K Views
6:15 PM · May 18, 2026 · 3K Views

…and more to come

CursorCursor@cursor_ai

Together with SpaceXAI, we’re training a significantly larger model from scratch, using 10x more total compute. With Colossus 2’s million H100-equivalents and our combined data and training techniques, we expect this to be a major leap in model capability.

4:43 PM · May 18, 2026 · 401.9K Views
6:20 PM · May 18, 2026 · 20.2K Views

Big model coming soon ... !

CursorCursor@cursor_ai

Together with SpaceXAI, we’re training a significantly larger model from scratch, using 10x more total compute. With Colossus 2’s million H100-equivalents and our combined data and training techniques, we expect this to be a major leap in model capability.

4:43 PM · May 18, 2026 · 401.9K Views
5:29 PM · May 18, 2026 · 84.1K Views