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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Legacy — superseded by GPT-5.6 Luna See GPT-5.6 Luna pricing.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
Input
$0.75/M
Output
$4.50/M
Blended
$1.69/M
Provider
Verified 2026-04-06source

Speed

Not yet measured — see the speed benchmark leaderboard for models we do track.

Cost at scale

Tokens / monthEst. 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
See all OpenAI models →

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.

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