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rabee
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after 260 days at @xai, i left this past week.
very grateful to @santiagomed, @aypan_17, and the entire xAI team for giving me the space to do the hardest work i’ve ever done.
contributing to the x developer console, grok 4.20, and grok 4.3 was incredibly rewarding & i couldn’t be more excited for what’s ahead for the team.
for now, onto new things!

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The migration in numbers:
- Team of 16 engineers worked over 6 weeks.
- We reduced our footprint from 6M CPU cores, to just 10k cores.
- We are now using the same Grok-based transformer models that power your home timeline.
- Eliminated 15 years of tech debt - replaced 1M LOC of Scala with just 50k LOC of Rust and Python
Business@XBusiness
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