Langbot vs Kapitol.ai
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Langbot compared with Kapitol.ai
| Detail | 
Langbot | 
Kapitol.ai |
|---|
| What it does | Data and simulation layer for prediction markets on Kalshi and Polymarket
| Track disclosed congressional stock trades with curated research, Insider Scores and alerts
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Freemium
| Paid
|
|---|
| Pricing | Free ($0/month) with 60-second delay on live data, 60 API requests/minute, 1 concurrent stream, 5 subscriptions, 20 sim runs/month; Builder ($49/month) with 10-second delay, 600 requests/minute, 5 streams, 25 subscriptions, 100 sim runs/month; Standard ($199/month) with 2-second delay, 3,000 request
| Monthly: $35/month; Yearly: $300/year (save $120); 3-Year: $600 every 3 years (save $660). 7-day trial for $1.
|
|---|
| Key features | - Order-book history with outcomes and rules for every market on Kalshi and Polymarket
- Live context synchronized on one clock: speech, official text and data releases
- Simulator with venue's real fees and timing for backtesting
- Full REST, WebSocket and SSE access with signed webhooks
- Python and TypeScript SDKs and CLI for programmatic access
- MCP server with phrase and market subscription tools
- Fair-value and live probability models for markets
- Signed receipts and provenance reports for evidence
- Paper trading mode on live record before switching to real exchange keys
- Timestamped facts for resolved market outcomes with speaker attribution
| - Congressional stock disclosure tracking
- Insider Scores for trades
- Searchable trade explorer
- Real-time P&L tracking against S&P 500
- Email alerts for new signals
- Politician and company profiles
- Copy-trade calculator
- Mobile app for iOS and Android
- Congress Trading API for developers
- Committee and bill context
|
|---|
| What makes it different | - Synchronized context on the same clock: order books, market rules, and every speech or data release that moves prices
- Speaker attribution and verdict for each phrase: whether it counts under market rules
- Live recording of order books for every open market rolling out
- No trading signals: users control all decisions and trades with their own exchange keys
| - Curates only the meaningful trades that line up with committee work, bills or government contracts
- Tracks every signal's actual returns against the S&P 500 with live prices and no hidden data
- Monitors government filings around the clock for new disclosures
- Explains the story behind each trade with plain-English context and verdicts
- Mobile push alerts the moment a filing lands
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 18 ● no change since last check |
|---|
| Trust Flow (Majestic) | 0 | 7 |
|---|
| Citation Flow (Majestic) | 0 | 28 |
|---|
| Referring domains (Majestic) | 0 | 114 |
|---|
5 details filled in for both companies.
More alternatives to Langbot More alternatives to Kapitol.ai