Chat With GPT-5 and Claude at the Same Time
Run the same question through GPT-5 and Claude, or switch between them mid-conversation. Here is how to use both together in Multi Chats.

Yes, you can chat with GPT-5 and Claude at the same time. In Multi Chats you either switch between them inside one conversation, or branch a chat to run the same prompt through both and compare the answers side by side.
Switch between GPT-5 and Claude mid-chat
Pick a model per message. Start with GPT-5, then switch to Claude for the next reply; the thread keeps its full context. Here is how mid-conversation switching works.
Compare answers from both
Branch a conversation to send the same question to GPT-5 and Claude separately, then read both responses next to each other. This is the fastest way to see which model handles a task better.
When to use which model
Task | Often stronger |
|---|---|
Long-form writing and tone | Claude |
Step-by-step reasoning and code | GPT-5 or Claude |
Quick factual answers | GPT-5 or Gemini |
There is no permanent winner, which is exactly why using both beats committing to one.
Pricing: both in one plan
GPT-5 and Claude are both included in Multi Chats from $20.99 a month, so you are not paying two providers to compare two models.
Frequently asked questions
Can I compare GPT-5 and Claude answers side by side?
Yes. Branch a chat to run the same prompt through both models and compare the results.
Do I need two subscriptions?
No. Both models are included in one Multi Chats subscription.
The bottom line
Using GPT-5 and Claude together, whether by switching or comparing, gives you the best of both for one price. Use both now.