← Artificial Acceleration
OpenAI · GPT series
GPT-5.4 nano
Released
17 Mar 2026
· 0 days after
GPT-5.4 mini
Intelligence
—
no index score yet
Price
$0.46
per 1M tokens, 3:1 in/out · $0.2 in / $1.25 out
Speed
—
not measured
Weights
Closed
US lab
OpenAI’s best score over time
9 Jul 2026
26 Oct 2026
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GPT-5.4 mini
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GPT-5.5