GPT-5

GPT-5 is OpenAI's flagship large language model, representing the latest generation in the GPT family. As OpenAI's most capable model, it sits at the top of their model hierarchy, designed for complex reasoning, advanced coding tasks, and multimodal applications requiring sophisticated understanding. The model features a 200,000 token context window and supports both text and image inputs, enabling comprehensive document analysis and visual reasoning tasks. GPT-5 includes tool calling capabilities and demonstrates strong performance in code generation and chat completion scenarios. With a knowledge cutoff of December 2024, it incorporates relatively recent training data compared to earlier model generations. GPT-5 competes directly with other flagship models like Claude Opus 4.6 and Gemini 3.1 Pro in the premium tier market. Its combination of multimodal capabilities, large context window, and advanced reasoning makes it suitable for enterprise applications, complex research tasks, and sophisticated AI agent implementations where maximum capability is prioritized over cost efficiency.