OpenAI: GPT-5 Chat

OpenAI's GPT-5 Chat, released on August 7, 2025, is positioned as an advanced, multimodal, and context-aware AI for enterprise applications, featuring a substantial 128,000 context length. The model performs among the fastest, typically ranking in the top tier for speed (75th percentile across benchmarks). Its pricing is moderate, placing it in the 24th percentile. Notably, GPT-5 Chat demonstrates exceptional reliability, achieving a 100% success rate across all benchmarks, indicating consistent and usable responses without technical failures. The model exhibits strong performance across various categories. It achieves perfect accuracy in Ethics, making it the most accurate model at its price point and among models of similar speed. General Knowledge and Coding benchmarks also show high accuracy at 99.5% and 93.0% respectively, placing it in the 75th and 86th percentiles. Instruction Following is another strength, with 75.0% accuracy (87th percentile). While Email Classification is solid at 98.0% accuracy, its Hallucinations accuracy of 92.0% is moderate (41st percentile), suggesting some room for improvement in acknowledging uncertainty for fictional concepts. Overall, GPT-5 Chat's key strengths lie in its ethical reasoning, general knowledge, coding proficiency, and instruction following, supported by its high speed and exceptional reliability. Its primary area for development is in reducing hallucinations.