Gpt 5.4 Nano API

Run openai/gpt-5.4-nano through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

Gpt 5.4 Nano pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
Input$0.11
Output$0.66
Availability

Served by 2 providers

Requests route to OpenRouter by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
openrouter openai/gpt-5.4-nano
openrouter openai/gpt-5.4-nano:batch
Quickstart

Call Gpt 5.4 Nano in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="openai/gpt-5.4-nano",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.4-nano",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

Gpt 5.4 Nano — common questions

How much does the openai/gpt-5.4-nano API cost?

On FastInfra, openai/gpt-5.4-nano costs $0.105/1M input, $0.6563/1M output tokens. Billing is per token used, with no subscription.

Is openai/gpt-5.4-nano compatible with the OpenAI SDK?

Yes. FastInfra exposes openai/gpt-5.4-nano through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve openai/gpt-5.4-nano?

openai/gpt-5.4-nano is available from 2 provider(s): openrouter, openrouter. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.