Langbot vs CardWorthScanner
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 CardWorthScanner
| Detail | 
Langbot | C
CardWorthScanner |
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| What it does | Data and simulation layer for prediction markets on Kalshi and Polymarket
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| 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
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| 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
| - Scan or search cards by photo or collector number
- Real-time price comparison across TCGplayer USD and Cardmarket EUR
- PSA 10 Gem Mint grading valuation matrix
- Interactive border centering calibration loupe
- Net profit calculator for grading submissions
- Character and expansion set price ledgers
- Support for multiple card types
- Graded slab multiplier comparisons
- Population data and gem rate percentages
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| 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
| - Deterministic three-stage workflow avoiding AI hallucination in card pricing
- Precise collector fraction extraction for exact card editions
- Live market benchmarks from TCGdex, TCGplayer, and Cardmarket
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 0 |
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| Referring domains (Majestic) | 0 | 0 |
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3 details filled in for both companies.
More alternatives to Langbot More alternatives to CardWorthScanner