WorkOS vs Supabase Auth
Answer: As of 2026-10-30: WorkOS wins 1k users · no SSO at $0/mo ($0/yr less than Supabase Auth); Supabase Auth wins 10k users · 1 SSO at $27.25/mo ($1,173/yr less than WorkOS); Supabase Auth wins 50k users · 5 SSO at $39.25/mo ($7,029/yr less than WorkOS); Supabase Auth wins 100k users · 10 SSO at $54.25/mo ($14,349/yr less than WorkOS).
Cost by MAU (no SSO)
| Monthly users | WorkOS | Supabase Auth |
|---|---|---|
| 10k users | $0 AuthKit | $0 Free (platform) |
| 50k users | $0 AuthKit | $0 Free (platform) |
| 100k users | $0 AuthKit | $25 Pro (platform) |
With enterprise SSO
| Scenario | WorkOS | Supabase Auth |
|---|---|---|
| 1k users · no SSO | $0 AuthKit | $0 Free (platform) |
| 10k users · 1 SSO | $125 AuthKit | $27.25 Pro (platform) |
| 50k users · 5 SSO | $625 AuthKit | $39.25 Pro (platform) |
| 100k users · 10 SSO | $1250 AuthKit | $54.25 Pro (platform) |
Cheapest verified plan per vendor, monthly USD list price. How we calculate this.
WorkOS
AuthKit free to 1M MAU then $2,500/mo per additional 1M. SSO and Directory Sync each: $125 (1–15), $100 (16–30), $80 (31–50), $65 (51–100).
Source: workos.com/pricing · 2026-10-30
Supabase Auth
Free: 50k MAU. Pro from $25/mo: 100k MAU then $0.00325/MAU. SAML SSO: 50 included then $0.015/MAU. Auth-only cost is entangled with the platform plan.
Source: supabase.com/pricing · 2026-10-30
Also see: WorkOS alternatives · Supabase Auth alternatives · all vendors by MAU
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