OpenAI

OpenAI is a leading artificial intelligence research and deployment company that offers a platform for developers and businesses to access advanced AI models. Their offerings include conversational AI, image generation, code generation, and tools for building AI-powered applications, with a strong focus on safety and enterprise-grade solutions.

The candidate, OpenAI, is the direct provider of the OpenAI Platform. The website content explicitly details API access, various models (GPT, DALL-E, Codex), fine-tuning capabilities, enterprise solutions, and a strong emphasis on safety and research. The 'Introducing Operator' page also highlights an agent that uses a browser, which aligns with advanced AI capabilities. All must-have features are clearly present, along with several 'other' features.