AI illustration: Colossus +220k GB300 fully operational next week
xAIAI
Missed

xAI Colossus: 220k GB300s by Oct 4, 2026, missed

Elon Musk promised another 220k GB300s fully operational by Oct 4, 2026. The deadline passed and it didn't happen.

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“Another 220k GB300 will be fully operational next week and another 220k in November. If we get lucky, yet another 220k GB300 by late December.”
— Elon Musk · Sep 24, 2026 · @elonmusk on X, Sep 24 2026 ~10:44 PM CT ↗
See his original post on XLoads Elon's actual tweet, right here.
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What actually happened

Musk (Sep 24) said another 220k GB300 would be fully operational next week (outer bound Oct 4). The deadline passed with no independent confirmation the tranche is live. Fetched Oct 13 2026: Epoch AI Colossus 2 page updated Oct 12 still does not document a +220k GB300 operational receipt (hardware listed as Nvidia B200 / B300). Missed; watch to flip missed → delivered-late the moment Epoch/xAI/Elon confirm the tranche is live. Epoch AI Colossus 2 (updated Oct 12, fetched Oct 13 2026) — no +220k GB300 operational receipt ↗

The Progression

Sep 24, 2026
The promise: “Another 220k GB300 will be fully operational next week and another 220k in November. If we get lucky, yet another 220k GB300 by late December.” · @elonmusk on X, Sep 24 2026 ~10:44 PM CT ↗
Oct 4, 2026
Deadline passed. Musk (Sep 24) said another 220k GB300 would be fully operational next week (outer bound Oct 4). The deadline passed with no independent confirmation the tranche is live. Fetched Oct 13 2026: Epoch AI Colossus 2 page updated Oct 12 still does not document a +220k GB300 operational receipt (hardware listed as Nvidia B200 / B300). Missed; watch to flip missed → delivered-late the moment Epoch/xAI/Elon confirm the tranche is live. Epoch AI Colossus 2 (updated Oct 12, fetched Oct 13 2026) — no +220k GB300 operational receipt ↗
Today · Oct 14, 2026
Status: Missed · 10 days past due. Never happened.

On September 24, 2026, Elon Musk said another 220k NVIDIA GB300 GPUs would be fully operational at xAI's Colossus cluster next week, with further 220k tranches in November and (if lucky) late December — a near-term Memphis compute buildout schedule.

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Receipts

LAST CHECKED 2026-10-13

Questions about Xai Colossus

What did Elon Musk promise about Xai Colossus?

On Sep 24, 2026, Elon Musk said: “Another 220k GB300 will be fully operational next week and another 220k in November. If we get lucky, yet another 220k GB300 by late December.” (source).

Did it happen?

Musk (Sep 24) said another 220k GB300 would be fully operational next week (outer bound Oct 4). The deadline passed with no independent confirmation the tranche is live. Fetched Oct 13 2026: Epoch AI Colossus 2 page updated Oct 12 still does not document a +220k GB300 operational receipt (hardware listed as Nvidia B200 / B300). Missed; watch to flip missed → delivered-late the moment Epoch/xAI/Elon confirm the tranche is live. (Epoch AI Colossus 2 (updated Oct 12, fetched Oct 13 2026) — no +220k GB300 operational receipt)

xAI’s record

Delivered
15
68% of resolved claims delivered.
Missed
7
Deadline passed, still no-show.
Still open
19
On the clock now. All 41 xAI claims →

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