Bigdata.com vs SentiSense
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
Quick answer
Pick Bigdata.com for fundamentals. Pick SentiSense for stock screener plus options analytics.
Key differences
- Cheaper paid plan: SentiSense ($40/mo vs $12/mo)
- Broader feature set: SentiSense (6 vs 9 core capabilities)
- Options analytics: SentiSense (Only SentiSense has it)
Pick Bigdata.com if
- You dig into financials and valuation
- Grounding AI agents in finance data
- Developers building research agents
- Claude or ChatGPT connector users
Pick SentiSense if
- You scan the market with filters every day
- You trade options
- Sentiment and social signals
- AI agents using the data API
Side by side
| Feature | Bigdata.com | SentiSense |
|---|---|---|
| Starting price | Free, paid from $40/mo | Free, paid from $12/mo |
| Free plan | Yes | Yes |
| Stock screener | No | Yes |
| Alerts | No | Yes |
| AI chat assistant | Yes | Yes |
| News and sentiment | Yes | Yes |
| Fundamentals | Yes | No |
| Earnings calls | Yes | Yes |
| Insider and Congress trades | No | Yes |
| Options analytics | No | Yes |
| API access | Yes | Yes |
| MCP / AI connector | Yes | Yes |
Plans
Bigdata.com
- Starter: Free, $10 one-time credits
- Pro: $40/mo (regular $50)
- Max: $160/mo (regular $200)
- Enterprise: Custom
SentiSense
- Free: Free
- Pro: $15/mo or $144/yr
- Pro annual: $144/yr (about $12/mo)
Questions people ask
What is the main difference between Bigdata.com and SentiSense?
Pick Bigdata.com for fundamentals. Pick SentiSense for stock screener plus options analytics.
Which is cheaper, Bigdata.com or SentiSense?
SentiSense has the cheaper paid plan: $40/mo for Bigdata.com vs $12/mo for SentiSense (monthly equivalent, checked Oct 2026).
Do Bigdata.com or SentiSense have a free plan?
Both have a free plan.
Which is better for beginners?
Both target advanced users. Start with whichever has the free plan or trial so you can test before you pay.
Which has better AI features?
They are level on AI depth (3 AI features each). Bigdata.com: AI chat assistant, news and sentiment, MCP / AI connector. SentiSense: AI chat assistant, news and sentiment, MCP / AI connector.
Can I connect Bigdata.com or SentiSense to ChatGPT or Claude?
Bigdata.com and SentiSense offer an MCP server or official AI connector.
Is Bigdata.com or SentiSense better for active trading?
SentiSense has more of the active-trading toolkit: alerts, scanning, signals and charts.
Should I use both Bigdata.com and SentiSense?
It can make sense. They overlap on only 5 core features, so one can fill gaps the other leaves.