Cheapest Way to Use GPT-5 and Claude Together
Do not pay $40 a month for two plans. Get GPT-5 and Claude Opus 4.6 in one app from $20.99, and switch between them mid-conversation.
The cheapest way to use GPT-5 and Claude together is one app that includes both, rather than two subscriptions. Multi Chats gives you GPT-5 and Claude Opus 4.6 (plus 48 more models) from $20.99 a month, which is about half the cost of paying ChatGPT Plus and Claude Pro separately.
The math: two plans versus one
Option | What you get | Monthly cost |
|---|---|---|
ChatGPT Plus + Claude Pro | GPT-5 and Claude, two apps | about $40 |
Multi Chats Pro | GPT-5, Claude and 48+ more, one app | $20.99 |
Over a year that is roughly $480 for two plans versus $251.88 monthly or $199.99 annually for Multi Chats Pro.
How to use both in one place
Inside one conversation you pick GPT-5 for a first draft, then switch to Claude to refine it. The thread keeps its full context, so nothing is lost. Here is how switching models mid-conversation works.
Free ways to try GPT-5 and Claude
If you only need light use, there are honest free options. Multi Chats Free includes 5 models at no cost, and most providers offer limited free tiers with daily caps. For regular use of both GPT-5 and Claude, a single bundled plan is the cheapest reliable route.
Frequently asked questions
Can I get GPT-5 and Claude without two subscriptions?
Yes. Multi Chats includes both GPT-5 and Claude Opus 4.6 on one subscription from $20.99 a month.
Is it cheaper than ChatGPT Plus plus Claude Pro?
Yes, roughly half the price, and you also get Gemini, Grok, Mistral and 45+ more models in the same plan.
Can I switch between GPT-5 and Claude in one chat?
Yes. You choose a model per message and the conversation context carries across both.
The bottom line
Paying for two plans to use GPT-5 and Claude is the expensive way. One bundled app does it for about half. Get both for less, or see the full cost of using all AI models.