Computer History builds on the Chronicle research preview with reduced token usa
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OpenAI
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OpenAI
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Terms in this piece · Glossary
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
Why it matters
Desktop-wide activity capture feeding ChatGPT and Codex changes what context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → an assistant has and what a developer is handing it, so the scoping controls matter.
postAfter evaluating one of our upcoming models, Astra, we're treating it as our fir