OpenAI: GPT-5 Chat

GPT-5 Chat, released by OpenAI on August 7, 2025, is designed for advanced, multimodal, and context-aware enterprise conversations. The model performs among the fastest, typically ranking in the top tier for speed (75th percentile across benchmarks). It offers moderate pricing, positioned at the 23rd percentile. Notably, GPT-5 Chat demonstrates exceptional reliability, achieving a 100% success rate across all benchmarks, indicating consistent and usable responses. In terms of performance, GPT-5 Chat excels in several areas. It achieved perfect accuracy in Ethics, making it the most accurate model at its price point and among models of similar speed. Its General Knowledge and Coding capabilities are strong, scoring 99.5% (76th percentile) and 93.0% (88th percentile) respectively. Instruction Following is also a significant strength, with 75.0% accuracy (87th percentile). While its Email Classification accuracy is solid at 98.0% (59th percentile), its performance in Hallucinations (92.0% accuracy, 40th percentile) suggests some room for improvement in acknowledging uncertainty for fictional concepts. Overall, GPT-5 Chat presents a robust offering with high reliability, strong ethical reasoning, and impressive general knowledge and coding proficiency.