GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency use cases such as classification, data extraction, ranking, and sub-agent execution.
Input
Output
Context
400K
Max Output
128K
Parameters
—
Input Modalities
Output Modalities
Input
$0.200
Output
$1.25
| Platform | Input | Output |
|---|---|---|
OpenRouter | $0.200 | $1.25 |
Data sourced from official provider APIs and documentation
Last updated: Mar 31, 2026
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