Auth0 vs Logto
Answer: As of 2026-10-30: Auth0 wins 1k users · no SSO at $0/mo ($0/yr less than Logto); Auth0 wins 10k users · 1 SSO at $0/mo ($864/yr less than Logto).
Cost by MAU (no SSO)
| Monthly users | Auth0 | Logto |
|---|---|---|
| 10k users | $0 Free | $0 Free |
| 50k users | — | $0 Free |
| 100k users | — | $24* Pro |
With enterprise SSO
| Scenario | Auth0 | Logto |
|---|---|---|
| 1k users · no SSO | $0 Free | $0 Free |
| 10k users · 1 SSO | $0 Free | $72 Pro |
| 50k users · 5 SSO | — | $264 Pro |
| 100k users · 10 SSO | — | $504 Pro |
Cheapest verified plan per vendor, monthly USD list price. * Logto Pro bills access tokens, not MAU (50k tokens included, then $0.08 per 100) — the figure is base fee only; token overage depends on your usage. How we calculate this.
Auth0
Free to 25k MAU with 1 Enterprise Connection, Self-Service SSO and inbound SCIM. B2C Essentials $35/mo and Professional $240/mo are published at up to 500 MAU; higher MAU and B2B volume tiers are custom.
Source: auth0.com/pricing · 2026-10-30
Logto
Free: 50k MAU / 50k tokens. Pro from $24/mo: unlimited MAU, 50k tokens then $0.08 per 100 extra. Enterprise SSO add-on $48/connector. MFA add-on $48. Organizations add-on $48.
Source: logto.io/pricing · 2026-10-30
Also see: Auth0 alternatives · Logto alternatives · all vendors by MAU
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