As of: 2026-10-14 00:22 CEST.
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Canonical page: https://postcutoff.com/p/x-elonmusk-2109668152754020609/

# Elon Musk replying to Chamath on AI constraints: power, construction, cooling, networking, batteries

Elon Musk (@elonmusk), X, 2026-10-12.
Source: https://x.com/elonmusk/status/2109668152754020609

## Why it matters

Musk's answer to what limits AI build-out after Microsoft's Maia 300 news (about 189k views).

## Summary

Posted Oct 12, 2026 (15:30 UTC), as a reply to @chamath. Reply to Chamath Palihapitiya's question about the long-term constraint in AI: 'Scaling power harnessed, along with super fast construction, cooling, networking and batteries. This is hard.'

_Metrics as of 2026-10-13 via api.fxtwitter.com: 189,110 views, 4,193 likes, 236 reposts. Author: about 241,506,483 followers._

## Archived text

> @chamath Scaling power harnessed, along with super fast construction, cooling, networking and batteries. This is hard.

Archived 2026-10-13 via fxtwitter (unofficial).
Counts: 189,278 views, 4,195 likes, 236 reposts, 300 replies (at fetch time)

## Cited in

- 2026-10-12: [Microsoft announces Maia 300, its third in-house AI chip, and plans multi-gigawatt Maia deployments from 2027](https://postcutoff.com/e/2026-10-12-microsoft-maia-300/)

## People in this post

- [Chamath Palihapitiya](https://postcutoff.com/person/chamath-palihapitiya/), Founder and CEO, Social Capital; co-host of the All-In podcast