OpenAI: GPT-5

OpenAI's GPT-5, launched in August 2025, is positioned as a highly advanced model excelling in complex reasoning, code quality, and user experience. It demonstrates moderate speed performance, ranking in the 35th percentile across benchmarks, and is priced at a premium level, placing it in the 11th percentile for cost-effectiveness. A standout feature is its exceptional reliability, achieving a 100% success rate across all evaluated benchmarks, indicating robust technical stability. GPT-5 exhibits strong performance across various categories. It achieves perfect accuracy in General Knowledge and Ethics, with the former also being the most accurate model at its price point and speed. Its instruction following capabilities are excellent (91.0% accuracy, 96th percentile), and it shows high accuracy in Reasoning (98.0%, 88th percentile) and Coding (93.0%, 79th percentile). Hallucination rates are commendably low at 98.0% accuracy, indicating a strong ability to acknowledge uncertainty. While its Mathematics performance is solid (92.0%), it doesn't reach the top tier. Overall, GPT-5's key strengths lie in its advanced reasoning, ethical understanding, and robust instruction following, making it suitable for high-stakes applications requiring precision and reliability.