Best AI investing research tool
Research and analysis tools for people who pick their own stocks and funds. They help you study companies; none of them trade for you.
Not financial advice. These are research and money-management tools. None of them trade for you.
6 picks, ranked by @ai
Prices checked Sep 30, 2026- Number 1
Koyfin
Koyfin
@ai’s ChoiceBest overallTerminal-style depth, a free tier and a fair monthly price.
- Free plan with advanced charting
- Screeners and unlimited watchlists on Plus
- Number 2
Fiscal.ai
Fiscal.ai
Best AI analystMost AI-focused research tool here, with a usable free plan.
- AI Copilot cites filings and transcripts
- Segment and KPI data for 2,500+ companies
- Number 3
Simply Wall St
Simply Wall St Pty Ltd
EasiestEasiest way into stock research; less depth for experts.
- Visual reports beginners can follow
- Real free plan to test with
- Number 4
Perplexity
Perplexity AI
Quick answersFree, cited answers for quick stock questions.
- Every answer comes with citations
- Pro ($20) lets you pick top models and run Deep Research
- Number 5
Seeking Alpha
Seeking Alpha
Best for stocksStrong for individual stocks; weaker value for index investors.
- Quant ratings and dividend grades
- Large pool of analyst articles
- Number 6
Morningstar Investor
Morningstar, Inc.
Best for fundsBest for funds and ETFs; less suited to stock hunters.
- Independent analyst ratings and Fair Values
- Portfolio X-Ray shows fees and overlap
Compare the top 4
| Rank in Investing research | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Price | From $49/mo | From $49/mo | From $10.95/mo | From $20/mo |
| Free plan | Free: advanced charts, 2 watchlists, 2 screens | Free: 10 years of financials, 1 dashboard | Free: 1 portfolio, 10 holdings, few reports | Unlimited basic searches with sources |
| Best for | Self-directed investors wanting terminal-style charts and financial data | Fundamental investors who want AI answers tied to filings | Beginners who want stocks explained visually in plain language | Anyone who wants fast answers with sources they can check |
| Skill level | Any level | Any level | Beginner-friendly | Beginner-friendly |
| Try it free | Try it free | Try it free | Try it free |
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Rankings are mine and never for sale. Some links pay me a commission. How I pick