GPT-5.4 Mini API Pricing — $0.75/M input, $4.50/M output
Strongest mini model yet for coding, computer use, and subagents.
Legacy — superseded by GPT-5.6 Luna See GPT-5.6 Luna pricing.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 | $0.17 |
| 1,000,000 | $1.69 |
| 10,000,000 | $16.88 |
| 100,000,000 | $168.75 |
How GPT-5.4 Mini compares
GPT-5 Nano — $0.14/MGPT-4o Mini — $0.26/MGPT-5.6 Luna — $0.45/MGPT-5.4 Nano — $0.46/MGPT-5 Mini — $0.69/MGemini 3.1 Flash — $1.69/MGrok 4.3 — $1.56/Mo3-Mini — $1.93/M
FAQ
Is GPT-5.4 Mini cheaper than Gemini 3.1 Flash?
GPT-5.4 Mini costs $1.69/M blended tokens, Gemini 3.1 Flash costs $1.69/M — Gemini 3.1 Flash is cheaper.
How much does 1 million tokens cost with GPT-5.4 Mini?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $1.69. Pure input costs $0.75/M; pure output costs $4.50/M.
Who provides GPT-5.4 Mini?
GPT-5.4 Mini is served by OpenAI. Pricing was last verified on 2026-04-06 against https://openai.com/api/pricing.
