Koyfin vs Seeking Alpha
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
Quick answer
Pick Koyfin for charting plus global markets. Pick Seeking Alpha for AI chat assistant plus alerts.
Key differences
- Cheaper paid plan: Seeking Alpha ($39/mo vs $24.92/mo)
- Broader feature set: Koyfin (8 vs 7 core capabilities)
- AI chat assistant: Seeking Alpha (Only Seeking Alpha has it)
Pick Koyfin if
- Charts are the center of your workflow
- You invest outside the US
- Bloomberg-style dashboards on a budget
- Global fundamentals research
Pick Seeking Alpha if
- You want to ask an AI questions in plain English
- You rely on price and signal alerts
- Reading independent analyst research
- Quant Ratings for idea screening
Side by side
| Feature | Koyfin | Seeking Alpha |
|---|---|---|
| Starting price | Free, paid from $39/mo | Free, paid from $24.92/mo |
| Free plan | Yes | Yes |
| Stock screener | Yes | Yes |
| Charting | Yes | No |
| Alerts | No | Yes |
| AI chat assistant | No | Yes |
| News and sentiment | Yes | Yes |
| Fundamentals | Yes | Yes |
| Earnings calls | Yes | Yes |
| Portfolio tracking | Yes | Yes |
| Crypto | Yes | No |
| Global markets | Yes | No |
Plans
Koyfin
- Free: Free
- Plus: $39/mo
- Premium: $79/mo
- Advisor Core: $209/mo
- Advisor Pro: $299/mo
Seeking Alpha
- Basic: Free
- Premium: $299/yr ($24.92/mo); $4.95 first month
- PRO: $2,400/yr ($200/mo); $99 first month
Questions people ask
What is the main difference between Koyfin and Seeking Alpha?
Pick Koyfin for charting plus global markets. Pick Seeking Alpha for AI chat assistant plus alerts.
Which is cheaper, Koyfin or Seeking Alpha?
Seeking Alpha has the cheaper paid plan: $39/mo for Koyfin vs $24.92/mo for Seeking Alpha (monthly equivalent, checked Oct 2026).
Do Koyfin or Seeking Alpha have a free plan?
Both have a free plan.
Which is better for beginners?
Both target intermediate users. Start with whichever has the free plan or trial so you can test before you pay.
Which has better AI features?
Seeking Alpha goes deeper on AI with 2 AI features (AI chat assistant, news and sentiment).
Can I connect Koyfin or Seeking Alpha to ChatGPT or Claude?
Neither offers an MCP server or a public API right now.
Is Koyfin or Seeking Alpha better for active trading?
They are about even on active-trading features (alerts, scanning, signals and charts).
Should I use both Koyfin and Seeking Alpha?
It can make sense. They overlap on only 5 core features, so one can fill gaps the other leaves.