Hearth Starter
For lighter everyday use.
$4.99 / month
80 monthly AI credits. 10 active files and 50 MB storage. Up to 20 AI requests per day during private testing.
Documents. Code. Room to create.
Your next idea
starts here.
Write something new, bring in a file, or work through your code. Keep your changes, review them, and pick up where you left off.
Get started freePrivate early access · No payment required. The trial and workspace currently require private-site access.
Start with the basics
Free
$0 for manual editing
- Create and edit text documents and code
- Upload up to 3 files at a time
- Keep 3 files / 10 MB online
- 10 new files + 20 saved revisions per day
- 10 monthly credits · up to 3 AI requests/day
- Review changes before saving
- Recover drafts on this device
- Download saved files or unfinished drafts
Uploads: 8 MB total per batch. Daily limits reset at 00:00 UTC. Manual editing uses no credits. Monthly credits reset on the first day of each UTC month.
A little help. A firm limit.
Choose how much room you need.
Free, Starter, and Plus: choose the allowance that fits your work. Sales stay closed while we build the remaining features, measure running costs, and test payments.
Hearth Plus
A lasting workspace for your writing, code, and conversations.
$9.99 / month
240 monthly AI credits · 3× Starter. 100 saved files, 500 MB storage, and 50 saved conversations. Up to 20 AI requests per day during private testing. Saved files and retrieved chat replies have no automatic expiry. You can download or delete them anytime.
Available now: saved conversations with recent context, short answers, text/code editing, Word text import, and English screenshot reading. Planned: longer context. Image creation and image editing are excluded.
Extra credits
50 credits · $5.99
120 credits · $11.99
Optional packs. Keep your existing storage limit. No automatic overages.
All accounts: up to 3 files and 8 MB per upload. Downgrading keeps existing saved work available to download or remove; new storage must fit the lower plan limit. Monthly credits are spent first and do not roll over; purchased credits are kept separately. Standard answers: 1 credit. Word and screenshot text extraction run on your device and use no credits. Text/code uploads, reading, manual edits, and downloads use no credits.
Meet Mary
Try a short question.
2 requests per UTC day · up to 500 characters · no saved files or conversation history.
Mary is an AI and can make mistakes. Check important information.
Bring your work.
Text, Markdown, and source code files are ready to upload and edit. Import DOCX, PNG, JPG, or WebP and review the extracted text before saving. Your code is displayed as text and is never executed.
Keep going.
Applied files and retrieved chat replies are saved online. Unsent messages and unapplied file drafts stay in this browser, with download options to keep your own copies.
Mary core, at work.
Ask for a writing or code edit, then review the proposed version before applying it. Edits cost 1 credit per 4,000 source characters, up to 8,000 characters per edit. You approve the quote first. Word documents and screenshots can be imported as reviewed text.