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GPT-5.4 Nano | pricing and cost guide

GPT-5.4 Nano pricing is not just a single number: read input $0.20, output $1.25, and 400,000 context together.

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Model signal card

Provider

OpenAI

Start with the supply line behind the model before you move into deeper buying or key work.

Context window

400K

Context length changes whether the model fits short tasks, long documents, or knowledge workflows.

Input price

$0.20

Input price usually matters more for high-volume calling and batch workloads.

Output price

$1.25

Output price matters more for writing-heavy, support, and long-answer workflows.

Start with the job this model solves

GPT-5.4 Nano should not be treated as a brand-name page first. It should be placed back into the real model layer: it comes from OpenAI, sits on the Global model route, and belongs to the GPT-5.4 family.

Ask first whether you truly need a 400K context window or are just reacting to the phrase “long context.”
Then ask whether your workload cares more about Text + image + file -> text ability or about price band and delivery stability.
Then ask whether OpenAI can fit the protocol stack you already run today.

Then read the real decision signals

This model line is best judged through four inputs: modality Text + image + file -> text, context 400K, prompt cost $0.20, and completion cost $1.25. The real question is whether those four signals support the workflow together.

Model: GPT-5.4 Nano
Provider: OpenAI
Context: 400,000
Input price: $0.20 / 1M tokens
Output price: $1.25 / 1M tokens

Finally move into the next action

If the upstream provider already exposes live checking, the next valuable move is to test the real key, protocol fit, and model visibility instead of stopping on a static page.

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Next routes

GPT-5.4 Nano model profile | context, pricing, provider, and next actions

Inspect GPT-5.4 Nano through context window, pricing, provider route, and the next move into comparison or key checking.

Check OpenAI keys

If you already have a real key for this route, test protocol fit, visible models, and sale readiness together.

key checking guide

GPT-5.4 Nano key checking starts with provider identity, base URL, visible models, and risk before asking for any full key.