OpenAI: GPT-5 Nano

GPT-5 Nano, OpenAI's smallest and fastest GPT-5 variant, demonstrates moderate speed performance, ranking in the 39th percentile across benchmarks. It offers competitive pricing, placing in the 45th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all benchmarks, indicating consistent and stable operation. The model excels in foundational tasks, achieving perfect accuracy in General Knowledge and Hallucinations benchmarks, notably being the most accurate model at its price point and speed for these categories. It also shows strong performance in Classification (99.0% accuracy), Reasoning (96.0% accuracy), Mathematics (94.0% accuracy), and Coding (93.0% accuracy), consistently ranking in the top percentiles for these areas. While its Ethics score is moderate at 98.0%, its Instruction Following accuracy of 69.0% suggests a potential area for improvement, despite still ranking in the 80th percentile. Overall, GPT-5 Nano is a highly reliable and cost-effective option, particularly suited for applications requiring rapid, accurate responses in general knowledge and classification tasks, with strong capabilities in more complex reasoning and coding.