Alex Getmanearly AI signals
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UpdatedOpenAIgpt-5.4-mini

GPT-5.4 Mini spotted on OpenCode

Confirmed · 9 evidence linksFirst seen Updated Recorded automatically by Signal Forge

GPT-5.4 Mini is a model from OpenAI, released on 17 Mar 2026. First seen 19 Sep 2026. Catalogues list a 400,000 tokens context window. 9 evidence links.

Facts as of

Context window
400,000
Input · USD / 1M tokens
$0.75
Output · USD / 1M tokens
$4.50
Max output
128,000
Input
text · image
Output
text
Cached input · USD / 1M tokens
$0.075

Alex's take

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Evidence links 9

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