GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and GPT-4.5 across coding, instruction compliance, and multimodal understanding benchmarks.
Try NowReal-world software engineering
Long-context document analysis
Advanced instruction following
1,047,576 tokens
32,768 tokens
$2
$8
$0.50
$15
$0.19