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Product

AI conversations, files
and website editing.

Choose a model, bring your reference files, and refine the result alongside the conversation. Twelva keeps the work together as it develops.

Keep work in the conversation.
ConversationsActual interface · Illustrative content

Conversations

Actual interface · Illustrative content

Full-size interface. Scroll to explore.

Start a conversation, attach a file, and choose a model.

Start a conversation

Models & answers

Try another answer.
Keep the earlier one.

A first response is a starting point. Change the question, ask a different model, or return to a previous version of the conversation.

Start a conversation
Your shortlist.
Model selectionActual interface · Illustrative content

Model selection

Actual interface · Illustrative content

Full-size interface. Scroll to explore.

Choose for the task
Browse available models by provider or capability. Save favorites and return to recently used models.
Refine the same conversation
Edit a message, regenerate a response, or answer again with another model.
Return to a previous version
Earlier messages are preserved when you edit or regenerate, so you can switch back without reconstructing the conversation.

Projects

Give the next draft
the same brief.

Save the decisions you want to reuse. A project brings related conversations, websites, images and documents into one place.

Projects & brand
Open your brand settings.
ProjectsActual interface · Illustrative content

Projects

Actual interface · Illustrative content

Full-size interface. Scroll to explore.

Brand references
Save your logo, color palette, typeface and brand instructions. These preferences inform conversations and generated work in the project.
Related work, together
Add existing conversations and assets, or start new work inside the project. Choose a default model for its conversations.

Project instructions carry forward. To discuss a document’s contents, attach it to the conversation.

Website editing

Edit the page
beside the conversation.

Turn a brief into a multi-page website draft, then work on the details in the preview. Keep revising through chat or make direct edits.

Website tools
Preview the website.
WebsitesActual interface · Illustrative content

Websites

Actual interface · Illustrative content

Full-size interface. Scroll to explore.

Change the details directly
Edit supported text fields, colors and typography. Add an image from your library to a hero or gallery section.
Review before publishing
Preview desktop and phone layouts, save changes and restore an earlier version when needed.
Share a hosted link
Publish when the draft is ready. Update the published version or take it offline from Sites.

Files & media

Work from the material
you already have.

Bring a document into the conversation or use an image as a starting point. Open the result in a larger preview, then keep working with it.

Explore Create
Set the direction.
CreateActual interface · Illustrative content

Create

Actual interface · Illustrative content

Full-size interface. Scroll to explore.

Ask about your documents
Use readable document text as context, with page or section links that let you return to the source.
A brief can take many forms
Create images, video, audio and 3D in the same workspace. Choose the tool and model for the result you have in mind.
Keep useful results
Find uploaded and generated media in Library. Download a result, continue editing it, or use an image in a website draft.

Media generation requires an available service and credits. Create shows the options available in your workspace.

Before you start

A few practical details.

What are Weaver, Swift and Owl?

They are Twelva configurations for creative work, quick answers and more involved questions. They run on models from other providers, with different instructions and settings. You can also choose a provider model directly in the workspace.

What can I publish?

Publish a generated website to a hosted link, update it, or take it offline. Where domain services are enabled, Sites also lets you search for a domain or connect one you own, with verification before it goes live. Domain availability and charges are shown separately. Website downloads contain the site specification rather than a standalone source-code project.

Which documents can I use?

Upload PDF, DOCX, TXT, Markdown or CSV files up to 8 MB each, with up to three documents attached to a message. PDFs must contain readable text and have no more than 100 pages. Scanned-page OCR is not supported.

How does usage work?

Chat shows a credit estimate before sending and settles against the model’s reported usage. Image and website tools, and follow-up model steps, use additional credits. Check Usage & credits for your balance, activity and current payment availability.

Start with a question
or a file.

Open the workspace and bring the task you’re working on.