What to look for in a ChatGPT alternative
Most people switch for one of three reasons: they want access to more than one AI provider, they want answers that take a clear position instead of hedging, or they want tools built for a specific job such as decision making, roleplay or practice. Check which models are available, whether you can customize the assistant's personality and rules, and whether conversations stay private to your account.
Debatly covers the first need with the latest models from OpenAI, Anthropic and Google in one place. It covers the other two with personas and structured debate.
Why personas give better answers than a single assistant
A general assistant tries to be balanced, which often means "it depends". A persona has a defined role, so it commits: an optimist builds the strongest upside case, a skeptic finds the failure modes, a domain expert brings specialist knowledge. When they debate over several rounds and respond to each other, weak points get challenged, and an AI judge turns the argument into a summary, scores for upside, risk, difficulty and confidence, and concrete next actions.
You can also turn a favorite system prompt into a reusable character with its own identity, goals, rules and greeting, and optionally give it memory so it remembers key facts from past conversations.
When to use each mode
Use regular AI chat for everyday questions, writing and research. Use 1:1 character chat for coaching, practice and roleplay scenarios such as interviews or negotiations. Use a debate when you face a decision and want both sides argued before you commit. Use a group room when you want a conversation, for example a brainstorm with a strategist, a designer and a skeptic. Use the image generator when a project needs visuals.
A practical way to start is to move one recurring task over first, such as weekly planning or a tricky decision, and compare the result with what you get from a single assistant. Most people notice the difference the first time two personas disagree and the judge explains why one side wins.