Langbot vs Option Alpha

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 Option Alpha
Detail	Langbot	Option Alpha
What it does	Data and simulation layer for prediction markets on Kalshi and Polymarket	Build, test, and automate your trading plan
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Not given
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	Pro plan: $99/month (annual billing) or $149/month (monthly billing). Free plans available with qualifying accounts on TradeStation ($10k minimum balance), Tradier ($5k minimum balance), or tastytrade ($5k minimum balance). All plans include 50 bots, $100k limit per bot, and unlimited backtesting. 3
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	Automated bot execution with entry and exit rules Trade Ideas ranked by expected value (EV) Paper trading for risk-free strategy testing SmartPricing technology for optimized trade pricing Support for multiple automations per bot
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	Removes emotion from trading through automated strategy execution Commission-free trading through broker partnerships Supports international traders across 120+ countries Not a broker or RIA, only a software service provider with no commission charges
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	56 no change since last check
Trust Flow (Majestic)	0	13
Citation Flow (Majestic)	0	40
Referring domains (Majestic)	0	771

4 details filled in for both companies.

More alternatives to Langbot More alternatives to Option Alpha