PortfolioGPT vs OptionSpace

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

PortfolioGPT compared with OptionSpace
Detail	PortfolioGPT	OptionSpace
What it does	Free AI investing app to generate stock portfolios	Volatility data and research tools powered by a market-maker-grade fitting and pricing engine
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free plan with 5 daily credits. Monthly plan at $3 USD for unlimited credits. Annual plan at $27 USD (regularly $36). Bundle plan at $50 USD (regularly $72) for 2+ user annual plans.	Free sample plan with no card required. Retail subscription available for individual personal use in the United States with daily limits on API credits. Institutional plans available at contact pricing for any business use with annual licenses invoiced monthly via ACH or wire. Higher-frequency data
Key features	AI-powered portfolio generation using OpenAI algorithms Personalized risk profiling from conservative to aggressive strategies Instant portfolio recommendations in seconds Support for stocks, ETFs, real estate, and crypto assets Mobile-responsive design for all devices Yahoo Finance data integration on paid plans	Fitted volatility surfaces with bid-ask-weighted curves across every expiration Accounts for American-style options with early exercise, discrete dividends, and implied borrow rates One-minute granularity historical data across 140+ symbols spanning 10 years Realized volatility calculations from 385 intraday returns per day Vol Screener, Vol Premium, Skew Scanner, and Earnings Vol analysis tools Historical simulation using actual bid-ask prices and fitted vol surfaces Python package for research workflows Interactive visual dashboards for surface inspection and event studies Model Context Protocol (MCP) integration for AI agent workflows Greeks and constant-maturity metrics via API and dashboards
What makes it different	Generate investment portfolios in seconds using AI algorithms No financial expertise required with simple user input Tailored to individual risk tolerance and financial goals Available free with limited daily credits Educational platform designed for both beginners and experienced investors	Arbitrage-free fitted volatility wings extending beyond quoted book using Lee-moment discipline Accessible to quantitative researchers and AI workflows through Python, API, and MCP without requiring market-maker infrastructure 10 years of consistent historical data at one-minute granularity across 140+ symbols for rigorous backtesting
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	22	0
Referring domains (Majestic)	144	0

5 details filled in for both companies.

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