You can use Claude, Anthropic's model, for free in Viro. It's available on every plan with unlimited chat, and you can switch to it mid-conversation without losing context.
In Viro, Claude is the model to reach for when the writing matters: creative, thoughtful, long-form work. Try asking it to:
- "Rewrite my cover letter so it sounds warmer and more confident"
- "Draft a 1,000-word short story about a lighthouse keeper's last night"
- "Turn these meeting notes into a clear, friendly update for my team"
Open the model menu
It's in the message box and shows the model you're using.Choose Claude
Claude picks up the conversation with everything said so far.Send your message
You can switch to another model at any point.
To make Claude your default for new chats, open Settings, and under Account set Default AI Model to Claude.
Yes. Claude is included on every plan, including Free, and chat is unlimited. Free shows small sponsored cards, which paid plans remove. Fair-use limits on features like Research and image creation are the same whichever model you choose. See Plans & Pricing.
No. Viro connects to Anthropic's model for you, so a free Viro account is all you need. Viro is an independent app, not Anthropic's own Claude app, and your chats stay in your Viro account.
Claude runs in its provider's data centers, which run wholly or partly on fossil fuels. Viro labels it Energy matched and funds new renewable energy to cover the electricity your Claude chats use. If you want a model that runs on 100% clean energy, choose Viro AI. See Is Viro AI Eco-Friendly?
Viro sends your message and the context it needs to the model's provider to get an answer. Providers are set not to use your conversations to train their models, and Viro never sells your data. See How Viro Uses Your Data.
Can I use Claude for free in Viro?
Yes. Claude is included on every plan, including Free, with unlimited chat.
Do I need an Anthropic account to use Claude in Viro?
No. Viro connects to Anthropic's model for you, so a free Viro account is all you need.
Is Claude eco-friendly?
Claude runs in its provider's data centers, which run wholly or partly on fossil fuels. In Viro it's labeled Energy matched: Viro funds new renewable energy to cover the electricity your Claude chats use. For 100% clean energy, choose Viro AI.

