OpenAI: GPT-4.1

GPT-4.1 is OpenAI's flagship large language model, meticulously optimized for advanced instruction following, real-world software engineering tasks, and sophisticated long-context reasoning. It boasts an impressive 1 million token context window, setting a new standard for handling extensive information. This model significantly outperforms its predecessors, GPT-4o and GPT-4.5, across critical benchmarks, including coding (achieving 54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding. Tuned for precise code diffs, enhanced agent reliability, and high recall in large document contexts, GPT-4.1 is an ideal choice for a wide range of applications. Its capabilities make it perfect for developing intelligent agents, integrating into IDE tooling for developers, and facilitating enterprise knowledge retrieval systems. With support for JSON mode, functions, streaming, and vision, it offers unparalleled versatility. Access this PRO-tier model for $2.00/8.00 per 1M tokens (input/output) on Multi AI.