GPT-5.4 Nano

Active

Lowest-cost GPT-5.4 family model for high-throughput classification, extraction, and lightweight agent tasks

Context Window
400K
Input Price
$0.20/1M
Output Price
$1.25/1M
Released
Mar 17, 2026

Capabilities

textfunction-callingjson-modereasoning

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Version History

Mar 17, 2026New Release

GPT-5.4 Nano released for latency-sensitive and high-volume workloads in the API

Mar 17, 2026Pricing Change

API pricing set at $0.20 per 1M input tokens and $1.25 per 1M output tokens