OpenAI

GPT-4.1 Mini

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Mid-sized model with performance competitive with GPT-4o at lower latency and cost. 1M context window with strong coding and vision.

Context
1.05Mtokens
Max output
33Ktokens
Latency
~8ms
Released
2025-04

Pricing

$ / 1M tokens
Input
$0.40/M
Output
$1.60/M
Cache Read
$0.10/M
Cache Write
$0.40/M

Capabilities

4 listed
  • Chat
  • Tool Use
  • Vision
  • Coding

Code examples

POST /v1/chat/completions
python
from openai import OpenAI

client = OpenAI(
    api_key="your_api_key",
    base_url="https://api.modelstack.cc/v1",
)

response = client.chat.completions.create(
    model="gpt-4.1-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

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Frequently asked questions

How is GPT-4.1 Mini billed on ModelStack?expand_more
ModelStack bills based on actual request usage. Input, output, cache, and any other applicable rates follow the live pricing table on this page. Final request costs are available in the console.
What are the context window and maximum output for GPT-4.1 Mini?expand_more
GPT-4.1 Mini has a 1.05M context window and supports up to 33K of output.
How can I call GPT-4.1 Mini through ModelStack?expand_more
Use the model ID `gpt-4.1-mini` with any OpenAI-compatible SDK pointed at the ModelStack API — see the code examples above for Python, Node.js, and cURL.
Which capabilities does GPT-4.1 Mini support?expand_more
GPT-4.1 Mini supports: Chat, Tool Use, Vision, Coding.