Alternatives to HarperAI
50 AI apps to use instead, best rated first.
Top picks
Why choose an alternative
They cost nothing
ego lite and LibreChat are free. HarperAI is paid.
The code is open
41 of these are open source.
You can host it yourself
4 of these are built to run on your own server.
Your data stays yours
getleon is built around privacy.
Side by side
H HarperAI | Claude | ChatGPT | Midjourney | Perplexity | v0 | O Open WebUI | |
|---|---|---|---|---|---|---|---|
| Rating | – | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | – |
| Price | Paid | Free / Pro | Free / Plus | Paid | Free / Pro | Free / Pro | – |
| Monthly visits | – | 14M | 76M | 9.4M | 6.2M | 1.9M | – |
| Open source | – | – | – | – | – | – | |
| Self-hosted | – | – | – | – | – | – | |
| Launch | Launch | Launch | Launch | Launch | Launch | Launch |
More AI apps
About HarperAI
H
HarperAI
Harper AI turns UK public records into deal flow
Harper AI turns UK public records into deal flow for specialist lenders, brokers and developers. We link every Companies House charge to Land Registry titles, corporate structures and officer networks, then layer AI search, refinance alerts and lender market-share analytics on top. Customers pay £300–£3,152/mo to find borrowers who need finance now.
- Price
- Paid
- Category
- AI
- Website
- askharper.ai






