OpenAI Launches GPT-5.4 Mini and Nano!
OpenAI GPT-5.4 mini and nano deliver flagship level performance at a fraction of the cost.
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Today, I came across a push notification: OpenAI has released new models again.
Honestly, new model releases have been so frequent in the past six months that I was about to roll over and go back to sleep. But when I clicked in and saw the pricing, I instantly woke up — the output price is only one-third of the flagship version, and the cheapest one, nano, is even more ridiculous: just one-twelfth of the flagship.
The two models released this time are called GPT-5.4 mini and GPT-5.4 nano. The names sound like watered-down versions of the flagship, but after seeing the actual benchmark results, I can only say: this isn’t a downgrade at all — it’s packing the flagship’s power into much smaller bodies.
I’ve compiled the core information about these two models along with my personal assessment, so you can finish reading in just 5 minutes and clearly know whether you should use them and how to use them.
