GPT-5.4 Nano API Pricing — $0.20/M input, $1.25/M output
Cheapest GPT-5.4-class model for simple high-volume tasks.
Legacy — superseded by GPT-5.6 Luna See GPT-5.6 Luna pricing.
No announced shutdown date. Source · Full retirement tracker
Speed
Not yet measured — see the speed benchmark leaderboard for models we do track.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $0.05 |
| 1,000,000 | $0.46 |
| 10,000,000 | $4.63 |
| 100,000,000 | $46.25 |
How GPT-5.4 Nano compares
GPT-5 Nano — $0.14/MGPT-4o Mini — $0.26/MGPT-5.6 Luna — $0.45/MGPT-5 Mini — $0.69/MGPT-5.4 Mini — $1.69/MGPT-5.6 Luna — $0.45/MCodestral — $0.45/MGPT-OSS 120B (Cerebras) — $0.45/M
FAQ
Is GPT-5.4 Nano cheaper than GPT-5.6 Luna?
GPT-5.4 Nano costs $0.46/M blended tokens, GPT-5.6 Luna costs $0.45/M — GPT-5.6 Luna is cheaper.
How much does 1 million tokens cost with GPT-5.4 Nano?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $0.46. Pure input costs $0.20/M; pure output costs $1.25/M.
Who provides GPT-5.4 Nano?
GPT-5.4 Nano is served by OpenAI. Pricing was last verified on 2026-04-06 against https://openai.com/api/pricing.
