OpenAI

OpenAI is the AI company that brought modern AI to a mass audience when it released ChatGPTOpenAI’s AI assistant, the product that introduced most people to modern AI. in 2022. It was founded in 2015 as a research lab, and today makes the GPT family of models, the ChatGPT app, the CodexOpenAI’s coding agent, the counterpart to Claude Code. It reads a codebase, makes changes across files, and runs commands from the terminal, an editor, or the cloud. coding agent, and an APIAn API (Application Programming Interface) is the defined way one piece of software talks to another — the set of requests a system accepts and the answers it gives back, so programs can use it without a person clicking through its screens. that developers use to build those models into their own software.

Microsoft is OpenAI’s largest partner. Copilot for Microsoft 365 builds OpenAI’s models, and increasingly Anthropic’sThe AI company that makes Claude. Founded by former OpenAI researchers with a focus on AI safety, and the developer of the Model Context Protocol (MCP)., into Word, Excel, Outlook, and Teams, which is why organizations in the Microsoft ecosystem often meet OpenAI’s models without ever opening ChatGPT.

Several AI companies trace back to OpenAI’s research staff, including Anthropic, the maker of ClaudeAnthropic’s family of AI models, and the apps built on them. The model Macktez uses daily for operations, client work, and automation., and TypeSafeA San Francisco AI lab that builds models for software to use rather than for people to talk to. Its first model is Jev., the maker of JevTypeSafe’s decision model. Instead of writing text, it answers typed questions (pick one of these options, score this, yes or no) with a probability attached, fast and cheaply enough to run on every item in a queue..