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Composer vs Seeking Alpha
Pricing, features, platforms and who each one suits — side by side.
C
Choose Composer if…
- you need an API to build on
- you're in its core audience: self-directed retail investors, algorithmic trading hobbyists
S
Choose Seeking Alpha if…
- you're in its core audience: individual investors, dividend investors
Side by side
Feature Composer Seeking Alpha
Pricing modelFreemiumFreemium
Starting price$10/mo—
Free plan
Free trial
API
Open source
PlatformsWeb, APIWeb
CategoryAI Investing & Stock ResearchAI Investing & Stock Research
CompanyComposerSeeking Alpha
Based in——
Founded20202005
Part of——
Key features
C Composer
- AI strategy creation from natural-language prompts
- Visual no-code strategy editor with conditional logic
- Backtesting against benchmarks, including fees and slippage
- Automated trade execution and rebalancing
- Pre-built strategy library
- Community publishing and remixing of strategies
- Traditional and Roth IRA support
- API for data, backtests and trading (Pro)
S Seeking Alpha
- Analyst articles with long ideas and stock picks
- Quant ratings for stocks (Premium)
- Stock and ETF screeners with preset lists
- Side-by-side stock comparison
- Earnings call transcripts and earnings calendar
- Portfolio Health Check and dividend portfolio tool
- Market news by sector, IPOs and M&A
- Investing Groups marketplace
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Composer
Starter$0
Advanced$10/mo
Pro$32/mo billed yearly ($384/year)
BusinessCustom
Seeking Alpha
BasicFree
PremiumSee website
PROSee website
Strengths and limitations
Composer
- Free Starter plan includes unlimited building and backtesting
- No commissions or management fees advertised
- Pro plan includes API access
- IRA accounts supported
- Free plan automates only one strategy
- API access requires the Pro or Business plan
- Regulatory fees from FINRA and the SEC still apply
- Business pricing requires a sales call
Seeking Alpha
- Free account available
- Large library of analyst articles and earnings transcripts
- Screeners with preset lists for stocks and ETFs
- Quant ratings require a Premium subscription
- Prices not shown on the pages reviewed
- No API listed
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy