AI Model Watch
Models / OpenAI

GPT-5.4 nano

GA

Snapshot alias gpt-5.4-nano-2026-03-17. Cheapest GPT-5.4-class model for high-volume classification/extraction/ranking/subagents. Reasoning effort none(default)/low/medium/high/xhigh.

Provider
OpenAI
Status
GA
Input price
$0.2 / 1M tokens
Output price
$1.25 / 1M tokens
Cached input
$0.02 / 1M tokens
Blended price
$0.463 / 1M tokens
Context window
400,000 tokens (400K)
Max output
128,000 tokens
Modality
text, image
Knowledge cutoff
2025-08-31
Released
17 Mar 2026
API string
gpt-5.4-nano

Source: OpenAI official documentation ↗

See also

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