OpenAI › GPT-5.4 Mini › Pricing

GPT-5.4 Mini pricing

API list price by OpenAI · same on Azure · checked Oct 23, 2026
Benchmarks and alternatives →
$0.75 / $4.50per 1M tokens in / out
$0.075cache read · −90%
#84on OpenRouter by tokens · 129.9B / week

Price sheetper 1M tokens

Input$0.75list
Output$4.50
Cache read$0.075−90% vs input
Context · max output400K · 128Ktokens

Where to buy2 providers · per 1M tokens

ProviderInputOutputContext
Azure$0.75$4.50400K
OpenAIlab$0.75$4.50400K

In OpenAI's line-upper 1M in / out

GPT-6 Luna$0.10 / $0.50−88%
GPT OSS Safeguard 120B$0.15 / $0.60−84%
GPT-5.4 Nano (2026-03-17)$0.20 / $1.25−73%
GPT-5.4 Mini$0.75 / $4.50this model
GPT-5.4 Mini (2026-03-17)$0.75 / $4.500%
o3 Mini High$1.10 / $4.40+14%
o4 Mini High$1.10 / $4.40+14%
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All OpenAI API prices →

Cheaper for the same workvs GPT-5.4 Mini at medium

MiMo v2.6 Pro thinkingOpen-68%score ×2.3$0.13
DeepSeek V4.1 Flash 1017 maxOpen-69%score ×2.3$0.26
Step 5 Preview thinkingOpen-16%score ×2.2$1.03
Claude Haiku 5.5 max-88%score ×2.2$0.21
MiniMax M3.1 Flash thinking-84%score ×2.2$0.22
All alternatives and what breaks when you switch →

Pricing questions

How much does GPT-5.4 Mini cost?›

$0.75 per 1M input tokens and $4.50 per 1M output tokens on OpenAI's API and Azure. Cached input is $0.075.

Is GPT-5.4 Mini free to use?›

There is no free API tier.

How much does prompt caching save?›

Cache reads cost $0.075 per 1M, 90% below the input price.

Is GPT-5.4 Mini cheaper than GPT-5 Mini?›

No: $0.75 / $4.50 against $0.25 / $2, 145% more per token.

What is a cheaper alternative to GPT-5.4 Mini?›

MiMo v2.6 Pro at thinking effort costs -68% per task with a score ×2.3 on Humanity's Last Exam.