Colossus as a public story

Learn in five minutes

• Colossus is the public name xAI has used for a large NVIDIA GPU cluster.
• Descriptions of its size and site have been published and later updated.
• This page states no current GPU count.
• Confirm the company's own page before you repeat any figure.
• The lesson is scale and lead time, not a number to memorize.

Write the sentence you are allowed to say: public posts have described a very large cluster, and the count is something you re-check. Then stop.

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Visual

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The allowed sentence

1. Open the company's public site when you need a figure.
2. If you cannot open it today, write 'confirm before relying'.
3. Do not type a GPU count from memory onto this page's behalf.
4. Cite the site, not a screenshot you cannot date.

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Quiz

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Ecosystem

Confirm before relying

The mark this lab uses when a public figure was not re-checked today.

Sisters: Schedulers, Regions, Key management, Risk frameworks.

A cloud endpoint can replace a local runner behind the same notebook and the same eval.

Pin the endpoint, the region, and the model id the day you check them.

Config

• Write the goal in one sentence.
• Name the input and the allowed output.
• Save the trace next to the result.

Troubleshooting

• The answer looks fluent and is wrong. Check whether a source passage actually contains the claim.
• The loop never stops. Set a step cap and stop when the tool result repeats.

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