GPT-5.4 Nano
OpenAI · Mid
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...
Input / 1M
$0.2
Output / 1M
$1.25
Cached input / 1M
$0.02
Context window
400K
Where it sits
119th-cheapest mid model
by blended $/Mtok among 262 listed mid models
19% below the mid median
blended $/Mtok across 262 mid models
Output costs 6.3× input
$0.2 in / $1.25 out per 1M
Cached input saves 90%
$0.02 vs $0.2 per 1M fresh
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.2 | $1.25 | $0.02 | Imported from OpenRouter | openrouter.ai |