GPT-5.6 Series is now live on CometAPI โ†’

GPT-4.1 Blog

Gemini 2.5 Pro vs OpenAIโ€™s GPT-4.1: A Complete Comparison
Jan 6, 2026
Gemini
Gemini 2.5 Pro
GPT-4.1

Gemini 2.5 Pro vs OpenAIโ€™s GPT-4.1: A Complete Comparison

The competition between leading AI developers has intensified with Googleโ€™s launch of Gemini 2.5 Pro and OpenAIโ€™s introduction of GPT-4.1. These cutting-edge

GPT-4.5 vs GPT-4.1: Why You Should Start to Choose GPT-4.1 Now
Jan 6, 2026
GPT 4.5
GPT-4.1
OpenAI

GPT-4.5 vs GPT-4.1: Why You Should Start to Choose GPT-4.1 Now

GPT-4.5 and GPT-4.1 represent two distinct pathways in OpenAIโ€™s evolution of large language models: one focused on maximizing capability through sheer scale,

Which ChatGPT Model Is Best? (As of May 2025)
Jan 6, 2026
ChatGPT
GPT 4.5
GPT-4.1
o1-preview
o3
o4 mini
OpenAI

Which ChatGPT Model Is Best? (As of May 2025)

ChatGPT has seen rapid evolution in 2024 and 2025, with multiple model iterations optimized for reasoning, multimodal inputs, and specialized tasks. As

How To Have ChatGPT Summarize A Video
Jan 6, 2026
ChatGPT
GPT-4.1
Whisper

How To Have ChatGPT Summarize A Video

How to efficiently extract the essence of video content is becoming increasingly vital in our information-saturated world. With AI tools like ChatGPT evolving

GPT-4.1: What Is It & How Can You Use It?
Jan 6, 2026
GPT-4.1
GPT-4.1 Mini
GPT-4.1 Nano
OpenAI

GPT-4.1: What Is It & How Can You Use It?

On April 14, 2025, OpenAI unveiled GPT-4.1, its most advanced language model to date, marking a significant milestone in artificial intelligence development.

GPT-4.1 API
Jan 6, 2026
GPT-4.1
OpenAI

GPT-4.1 API

The GPT-4.1 API is OpenAI's most advanced language model, featuring a 1 million token context window and enhanced capabilities in coding, instruction following, and long-context comprehension, making it ideal for complex applications requiring deep reasoning and extensive input processing.

GPT-4.1 Mini API
Jan 6, 2026
GPT-4.1
GPT-4.1 Mini
OpenAI

GPT-4.1 Mini API

The GPT-4.1 Mini API is a cost-effective, mid-sized language model developed by OpenAI, offering a substantial 1 million token context window, enhanced coding and instruction-following capabilities, and improved long-context comprehension, making it well-suited for a variety of applications such as software development, customer support, and data analysis .

GPT-4.1 Nano API
Jan 6, 2026
GPT-4.1
GPT-4.1 Nano
OpenAI

GPT-4.1 Nano API

The GPT-4.1 Nano API is OpenAI's most compact and cost-effective language model, designed for high-speed performance and affordability. It supports a context window of up to 1 million tokens, making it ideal for applications requiring efficient processing of large datasets, such as customer support automation, data extraction, and educational tools.