GPT-5.4 Pro
OpenAI · Mid
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...
Input / 1M
$30.00
Output / 1M
$180.00
Cached input / 1M
—
Context window
1.05M
Where it sits
261st-cheapest mid model
by blended $/Mtok among 262 listed mid models
11716% above the mid median
blended $/Mtok across 262 mid models
Output costs 6× input
$30.00 in / $180.00 out per 1M
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 | $30.00 | $180.00 | — | Imported from OpenRouter | openrouter.ai |