Build with GPT-4.1
New OpenAI model trained to excel at coding and instruction-following tasks.
GPT-4.1: Intelligence Without Limits
A top-tier AI model featuring exceptional 1M token capacity, GPT-4.1 outperforms its siblings with superior coding ability (54.6% SWE-bench), instruction following (87.4% IFEval), and multimodal comprehension. With benchmark proficiency and a June 2024 knowledge cutoff for better awareness of recent events, it excels in precision code changes and information retrieval, making it ideal for development tools and enterprise applications.
Million-Token Mastery
Process, analyze, and respond to massive documents in a single request. With a context window of 1 million tokens, GPT-4.1 maintains perfect recall regardless of input length.
Better Instruction Following
With a 38.3% score on Scale's MultiChallenge benchmark, GPT-4.1 follows nuanced instructions with remarkable accuracy: understanding context, intent, and subtlety better than any AI before it.
3 Ways GPT-4.1 Transforms Business
Elevate every department with OpenAI's API that delivers measurable results.
Software Development
Accelerate your development cycles by up to 70%. From requirement analysis to code generation, testing, and documentation, GPT-4.1 integrates seamlessly into your workflow, letting your team focus on innovation.
Knowledge Management
Turn vast information repositories into actionable insights. GPT-4.1 processes entire knowledge bases, policy documents, and training materials to extract relevant information and answer complex queries instantly.
Customer Experience
Create personalized, contextually aware interactions at scale. GPT-4.1 handles multi-turn conversations with perfect memory, resolving complex customer inquiries while maintaining your brand voice across all touchpoints.
Meet GPT-4.1 Family
OpenAI says that the GPT-4.1 family is smarter than GPT-4o, more practical than GPT-4.5
GPT-4.1 mini and nano prioritize efficiency and speed over accuracy, with OpenAI claiming nano is their fastest and most affordable model to date.
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GPT-4.1
Flagship model delivers unmatched intelligence for complex research and sophisticated problem-solving tasks.
GPT-4.1 mini
General-purpose model balances powerful reasoning with affordability and speed, handling both text and visual inputs.
GPT-4.1 nano
Lightweight model provides exceptional speed and economy, optimized for simple tasks and high-volume applications.
Why Choose AI/ML API solution?
AI/ML API provides scalability, faster deployment, and access to 200+ advanced machine learning models without the need for extensive in-house expertise or infrastructure.
Easy To Use
Our API allows seamless integration of powerful AI capabilities into your applications, regardless of your coding experience. Simply swap your API key to begin using the AI/ML API.
Scalable
AI/ML API provides flexibility for business growth since you can scale resources by purchasing more tokens as needed, ensuring optimal performance and cost efficiency
Affordable
We offer flat, predictable pricing, payable by card or cryptocurrency, keeping it the lowest on the market and affordable for everyone.
import os
from openai import OpenAI
client = OpenAI(
base_url="<https://api.aimlapi.com/v1>",
api_key="<YOUR_API_KEY>",
)
response = client.chat.completions.create(
model="openai/gpt-4.1-2025-04-14",
messages=[
{
"role": "system",
"content": "You are an AI assistant who knows everything.",
},
{
"role": "user",
"content": "Tell me, why is the sky blue?"
},
],
)
message = response.choices[0].message.content
print(f"Assistant: {message}")
Getting started with
GPT-4.1 API
AI Playground to quickly try GPT-4.1 by OpenAI.
For more information about technical features, please refer to the GPT-4.1 model cards:
• GPT-4.1
• GPT-4.1 mini
• GPT-4.1 nano