OpenAI
ChatGPT
From a question to a reviewed work draft.
Describe a task, provide approved context and develop answers, analyses or documents through conversation. A clear brief and your review matter.
Overview and getting started← Community
Four products · Two ways of working
Which AI tool fits your task?
Explore features, typical workflows, requirements and limits. Start with the task you want to solve.
For your daily work
Anthropic
Claude
Think through a task and develop the result.
Work with Claude on drafts, approved documents and bounded tasks. Keep sources, instructions and decisions separate.
Overview and getting startedFor your software projects
OpenAI
Codex
Delegate software work and keep oversight.
Codex can work in an existing repository, prepare changes and run relevant checks. Describe the desired behavior, allowed scope and acceptance criteria.
Overview and getting startedAnthropic
Claude Code
Understand, change and test your project.
Claude Code works with the files and tools of your development environment. A clear brief, bounded permissions and traceable checks provide the framework.
Overview and getting startedProduct, model and plan are different things. A model can be available through several products and providers. The model comparison covers measurements; product pages explain the work environment.