OpenAI: GPT-4.1

OpenAI's GPT-4.1, created April 14, 2025, is a flagship large language model designed for advanced instruction following, real-world software engineering, and long-context reasoning, featuring a 1 million token context window. It performs among the fastest models, ranking in the 77th percentile for speed across 8 benchmarks, and offers moderate pricing, placing in the 26th percentile. Notably, GPT-4.1 demonstrates exceptional reliability with a 100% success rate across all benchmarks, indicating minimal technical failures. The model exhibits outstanding performance in Mathematics (96.0% accuracy, 99th percentile) and Ethics (100.0% accuracy), where it achieves perfect scores and is recognized as the most accurate model at its price point and speed. It also shows strong capabilities in General Knowledge (99.5% accuracy) and Coding (91.0% accuracy, 75th percentile). While its Hallucinations accuracy is 88.0% (32nd percentile), suggesting room for improvement in acknowledging uncertainty, its Instruction Following (76.0% accuracy, 88th percentile) and Reasoning (82.0% accuracy, 73rd percentile) capabilities are robust. Its key strengths lie in its high accuracy in complex problem-solving domains like mathematics and ethics, coupled with its exceptional reliability and long-context reasoning, making it ideal for agents, IDE tooling, and enterprise knowledge retrieval.