OpenAI

Gpt 4.1 Nano API

US OpenAI
Try in Playground → Get API key

Gpt 4.1 Nano is a fast, cost-efficient model from OpenAI. Available through the MeshTok unified API.

Fast

Pricing (official list, per 1M tokens)

Input
$0.10/M
Output
$0.40/M

Specifications

Context window1000K tokens Input modalitiesText StreamingYes APIOpenAI-compatible

How to use Gpt 4.1 Nano

Drop-in OpenAI replacement. Change only the base_url and model.

# Python -pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://meshtok.com/v1",
    api_key="sk-your-MeshTok-key",
)

resp = client.chat.completions.create(
    model="openai/gpt-4.1-nano",
    messages=[{"role":"user","content":"Hello!"}],
)
print(resp.choices[0].message.content)
# cURL
curl https://meshtok.com/v1/chat/completions \
  -H "Authorization: Bearer sk-your-MeshTok-key" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-4.1-nano","messages":[{"role":"user","content":"Hello!"}]}'

Related models

Other models you might consider.