Alex Getmanearly AI signals
UpdatedOpenAIgpt-5.4-nano

GPT-5.4 nano: Catalogue listing

GPT-5.4 nano: Catalogue listing. First seen 19 Sep 2026 Catalogues list a 400,000 tokens context window. 11 evidence links.

Facts as of

Max output
128,000
Input
text · image
Output
text
Cached input · USD / 1M tokens
$0.02

Alex's take

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Evidence links 11

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