Sonist vs AltIndex

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sonist compared with AltIndex
Detail	Sonist	AltIndex
What it does	Trade the words as they're spoken.	Alternative data and AI for smarter stock investing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free: Browse markets and follow live prices. Plus: $29/month includes live transcription, keyword detection, automated prediction-market trading, panic-sell controls, 15-minute AFK sessions, and 1-on-1 support. Pro: $49/month includes everything in Plus plus rare keyword boosting, speaker diarizatio	Platform: Starter $29/month or $199/year (save $149); Pro $99/month or $499/year (save $689). API: Hobbyist $19/month or $120/year (save $108); Developer $79/month or $480/year (save $468); Research $199/month or $1,200/year (save $1,188); Enterprise custom pricing.
Key features	Keyword detection and meters Speaker diarization Speaker-gated trading Risk checks and IOC order execution Immediate-or-cancel orders with protected fills Panic-sell controls Multiple concurrent live sessions AFK session timeouts	Portfolio AI scoring from 0-100 for each holding Real-time stock alerts on alternative data signals AI-powered stock picks updated daily AI chat analyst for portfolio questions Autopilot rules-based portfolio copying Stock screener with filters and export Mobile app with push notifications and sync API and MCP server for AI tools integration Portfolio leaderboard ranking system Market news and research insights
What makes it different	238ms execution from word detection to order submission Guaranteed profit when YES order fills below $1 before repricing Trades run on your own exchange account with encrypted API keys Local speaker engine gates trades to specified speakers only	Analyzes alternative data that hedge funds pay millions for 61% win rate across AI stock picks Portfolio import from any brokerage with just a screenshot AI answers grounded in real data, never made-up numbers Freemium access to premium features
Community votes	0	1
DR (Domain Rating by Ahrefs)	9 −1 (down) since last check	62 no change since last check
Trust Flow (Majestic)	6	13
Citation Flow (Majestic)	19	42
Referring domains (Majestic)	15	955

4 details filled in for both companies.

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