SSealbook

Puzzle vs Tax1099

Puzzle confirms 4 of the features we check on its own site; Tax1099 confirms 3.

Puzzle

Startups and small firms that want AI-driven accounting with real-time books.

Watch out: No Mexico-specific tax features (CFDI, SAT) are mentioned.

Tax1099

US businesses, accountants and marketplaces that e-file 1099, W-2 and payroll tax forms.

Watch out: US IRS forms only; no Mexican CFDI or SAT features.

Overview & pricing
CategoryAccounting, ERP & InvoicingAccounting, ERP & Invoicing
SpecialtyAI accounting booksTax form filing
Based inUnconfirmedUnconfirmed
Best forAll sizesAll sizes
Starting priceUnconfirmedUnconfirmed
Free planUnconfirmedUnconfirmed
Free trialUnconfirmedUnconfirmed
Features confirmed on each vendor’s site
Bank reconciliation · Core features✓Reconcile connected accounts via live API integrationsUnconfirmed
Financial statements · Core features✓Real-time financials on one platformUnconfirmed
Public API · Platform✓API / MCP for building on Puzzle✓API integration listed
Onboarding / implementation · Support✓Onboarding and setup callUnconfirmed
SSO / SAML · Security & complianceUnconfirmed✓Single sign-on listed under user management
Two-factor authentication · Security & complianceUnconfirmed✓Two-factor authentication listed
Integrations
Listed on its siteStripe, Mercury, Ramp, Brex, Gusto, Claude, ChatGPTQuickBooks, Xero

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Every ✓ / ✕ comes from the vendor’s own website (sources on each product page). Unconfirmed means the site doesn’t say — not that the feature is missing.