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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Legacy — superseded by GPT-5.6 Luna See GPT-5.6 Luna pricing.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
Input
$0.20/M
Output
$1.25/M
Blended
$0.46/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$0.05
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
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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.

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