OpenAI: GPT-5

OpenAI's GPT-5, launched in August 2025, demonstrates a strong focus on advanced reasoning and reliability, positioning it as a premium offering for complex tasks. While its speed performance is moderate, ranking in the 31st percentile, its pricing tends to be at the higher end, falling into the 10th percentile. A standout feature is its exceptional reliability, achieving a perfect 100% success rate across all benchmarks, indicating minimal technical failures. GPT-5 excels in critical areas such as Instruction Following (91.0% accuracy, 96th percentile) and Reasoning (98.0% accuracy, 90th percentile), aligning with its optimization for complex, step-by-step tasks. It also achieves perfect accuracy in General Knowledge and Ethics, often at competitive price points or speeds within those categories. Improvements in hallucination reduction are evident with a 98.0% accuracy, placing it in the 64th percentile. Coding performance is robust at 93.0% accuracy (85th percentile), and Mathematics at 92.0% (72nd percentile). Email Classification is solid at 98.0% accuracy. The model's key strengths lie in its high accuracy across demanding cognitive tasks and its unwavering reliability, making it suitable for high-stakes applications despite its premium cost and moderate speed.