Logto
by Logto · Open-source auth infrastructure with SSO, RBAC and multi-tenancy
BenchRank score
Screenshots of Logto
Homepage
Overview
Logto is auth infrastructure that adds sign-in, enterprise SSO, RBAC and multi-tenant organisations to applications over OAuth 2.1, OIDC and SAML. It ships SDKs for 20+ frameworks, a Management API and a prebuilt sign-in UI. It runs as Logto Cloud in EU, US, Australia and Japan regions, or self-hosted from the open-source project.
- Best for
- Developers adding auth, enterprise SSO and multi-tenancy to SaaS or AI apps without building it
- Pricing
- Free up to 50,000 MAU, then Pro at $24/month plus token usage ($0.08 per 100 tokens over 50K) and per-feature add-ons; Enterprise is contact sales.
- Runs on
- iOSSelf-hostedCLI
Strengths and trade-offs
Strengths
- Open-source and self-hostable; free tier covers 50,000 MAU
- SDKs for 20+ frameworks plus a no-code option
- OAuth 2.1, OIDC and SAML, with enterprise SSO and organisations
- SOC 2 Type II; cloud regions in EU, US, Australia and Japan
Trade-offs
- RBAC, organisations and MFA are paid add-ons on top of the $24 Pro base
- Free plan caps: 3 apps, 3 social connectors, 3-day audit log retention
- Tokens beyond 50K billed at $0.08 per 100, so bills vary with usage
- SLA, premium support and HIPAA/BAA are Enterprise-only
How Logto markets itself
A structured read of the promise, proof and page design on Logto’s captured homepage.
Homepage capture
“Modern auth infrastructure for developers”
- Angle: Developer-first
- Hero: Product screenshot
Pricing
Published plans and prices from Logto’s own pricing page.
How this score is made up
Each dimension is scored out of 100 and combined into the headline score using fixed weights.
MCP support
Whether an agent can drive the product through the Model Context Protocol, and how much setup that takes.
API quality
Public API surface: machine-readable spec, official SDKs, documented auth, errors, rate limits and versioning.
Documentation
Publicly reachable docs — coverage, freshness, code samples and machine readability.
Agent friendliness
How readable the site is to an automated client: llms.txt, structured data, server-rendered content, crawler access.
Pricing transparency
Whether real prices are published, self-serve signup exists, and usage costs are knowable without a sales call.
Changelog
A public, dated record of what shipped and when — the clearest signal that a product is still alive.
Marketing site structure
Whether the site answers a buyer's questions: clear positioning, the pages that matter, and accessibility.
Page speed
How fast the site loads for real visitors: Chrome UX Report 75th-percentile LCP, INP and CLS, with a Lighthouse mobile run standing in where a site has too little traffic for field data.
Operational trust
Status page and incident history, security disclosure, compliance and data-processing documentation.
Measured, but not part of the score
Useful to know, but not a mark for or against the product — so these do not affect the ranking.
Openness
Source availability, self-hosting, data export and open standards. Scored and shown, but not part of the composite — paid SaaS is not worse for being paid SaaS.
Maintenance
Release cadence and repository activity. Scored and shown, but not part of the composite — it is only measurable for open repositories.
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Where this comes from
The Logto pages BenchRank reads when it scores the product — its documentation, release notes, status and security pages, and its repository where there is one.
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