AInvest vs OtterQuant
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
Quick answer
Pick AInvest for AI trade signals plus options analytics. Pick OtterQuant for stock screener plus earnings calls.
Key differences
- Cheaper paid plan: OtterQuant ($50/mo vs $14.17/mo)
- Broader feature set: AInvest (9 vs 7 core capabilities)
- MCP / AI connector: AInvest (Only AInvest has it)
- Mobile app: AInvest (Only AInvest has it)
- Options analytics: AInvest (Only AInvest has it)
Pick AInvest if
- You want AI-generated trade signals
- You trade options
- AI signals for active traders
- Options flow and unusual activity
Pick OtterQuant if
- You scan the market with filters every day
- You read earnings calls
- Tracking Congress trades
- Reddit ticker sentiment
Side by side
| Feature | AInvest | OtterQuant |
|---|---|---|
| Starting price | Free, paid from $50/mo | Free, paid from $14.17/mo |
| Free plan | Yes | Yes |
| Stock screener | No | Yes |
| Charting | Yes | Yes |
| AI trade signals | Yes | No |
| Alerts | Yes | No |
| AI chat assistant | Yes | Yes |
| News and sentiment | Yes | Yes |
| Earnings calls | No | Yes |
| Insider and Congress trades | Yes | Yes |
| Options analytics | Yes | No |
| Portfolio tracking | No | Yes |
| Crypto | Yes | No |
| MCP / AI connector | Yes | No |
| Mobile app | Yes | No |
Plans
AInvest
- Basic: Free
- Pro: $599.99/yr
- Premium: $999.99/yr
- Ultra: $2,599.99/yr
- Terminal: $9,999.99/yr
OtterQuant
- Free: $0 forever
- PRO: $16.99/mo
- PRO Annual: $170/yr
Questions people ask
What is the main difference between AInvest and OtterQuant?
Pick AInvest for AI trade signals plus options analytics. Pick OtterQuant for stock screener plus earnings calls.
Which is cheaper, AInvest or OtterQuant?
OtterQuant has the cheaper paid plan: $50/mo for AInvest vs $14.17/mo for OtterQuant (monthly equivalent, checked Oct 2026).
Do AInvest or OtterQuant have a free plan?
Both have a free plan.
Which is better for beginners?
Both target beginner users. Start with whichever has the free plan or trial so you can test before you pay.
Which has better AI features?
AInvest goes deeper on AI with 4 AI features (AI chat assistant, AI trade signals, news and sentiment, MCP / AI connector).
Can I connect AInvest or OtterQuant to ChatGPT or Claude?
AInvest offers an MCP server or official AI connector.
Is AInvest or OtterQuant better for active trading?
AInvest has more of the active-trading toolkit: alerts, scanning, signals and charts.
Should I use both AInvest and OtterQuant?
It can make sense. They overlap on only 4 core features, so one can fill gaps the other leaves.