PendingElon Musk promised Tesla's Cortex 2 training cluster at half a gigawatt by mid-2026 by Jul 31, 2026. It only partly happened.
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“Well, we have Cortex 2 that's being built out. That'll be half a gigawatt and operational middle of next year.”
— Elon Musk · Jan 6, 2026 · Moonshots #220 with Peter Diamandis (recorded Dec 22 2025, released Jan 6 2026), 00:18:27 00:18:27 ↗
▶ WATCH HIM SAY IT @ 00:18:27 — MOONSHOTS #220 WITH PETER DIAMANDIS (RECORDED DEC 22 2025, RELEASED JAN 6 2026), 00:18:27
What actually happened
Cortex 2 was listed as in Production in Tesla's Q2 2026 update (Jul 22 2026), so it was operational by mid-2026, but at more than 115 MW, roughly a quarter of the half gigawatt Musk described. Tesla Q2 2026 Update (8-K Ex-99.1): Cortex 2 >115 MW, Production ↗
The Progression
Jan 6, 2026
The promise: “Well, we have Cortex 2 that's being built out. That'll be half a gigawatt and operational middle of next year.” · Moonshots #220 with Peter Diamandis (recorded Dec 22 2025, released Jan 6 2026), 00:18:27 00:18:27 ↗
Jul 22, 2026
Partial — on time. Cortex 2 was listed as in Production in Tesla's Q2 2026 update (Jul 22 2026), so it was operational by mid-2026, but at more than 115 MW, roughly a quarter of the half gigawatt Musk described. Tesla Q2 2026 Update (8-K Ex-99.1): Cortex 2 >115 MW, Production ↗
Today · Oct 12, 2026
Status: Partial · on time. Sort of happened.
On the Moonshots podcast released January 2026 Elon Musk said Tesla's Cortex 2 training cluster at Giga Texas would be half a gigawatt and operational by the middle of 2026. It was running by July at more than 115 MW.
Receipts
LAST CHECKED 2026-10-12- [VIDEO] Moonshots #220 with Peter Diamandis (recorded Dec 22 2025, released Jan 6 2026), 00:18:27 @ 00:18:27
- [TRANSCRIPT] Moonshots #220 transcript, Elon Musk Archive
Tesla’s record
Delivered
84
47% of resolved claims delivered.
Missed
94
Deadline passed, still no-show.
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