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Context & memory

What AI can hold, retrieve and actually use.

2 articles to explore

Explainer4 min

Does a long chat history make a good memory?

In the older models studied, fitting information into the context did not guarantee that it would be used reliably.

A study of older models answering questions from documents — not a test of today’s chat products or personal long-term memory.

Read the explanation →Updated 22 October 2026

Understand AI Context & memory

Playbook4 stepsTested by Atlas · 22 October 2026

How can I check that AI used the important parts of my documents?

Make the answer checkable: define what matters, ask for source locations, then verify each central conclusion in the original.

Tried on one short, fictional document case in a separate Codex agent. It does not establish general accuracy, completeness or an improvement over another method.

Open the workflow →Updated 22 October 2026

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