Clerk vs Replicate

User management and authentication as a service
vs. Run and fine-tune AI models in the cloud — pay-per-second GPU

Pricing tiers

Clerk

Free

50k MAU included. No SSO/SAML. Perfect for side projects and early prototypes.

Free

Pro

$25/mo (or $20/mo annual). 50k MAU, $0.02 each after. 1 enterprise SSO connection per app. Webhooks, JWT templates, custom session duration.

$25/mo

Business

$300/mo (or $250/mo annual). Advanced organizations, enhanced support, additional enterprise features.

$300/mo

Enterprise

Custom. Volume MAU discounts, SLA, workspace-wide SAML SSO, dedicated support.

Custom

Clerk website ↗

Replicate

Pay-as-you-go

Per-second GPU billing. No minimum. Public models billed by processing time or tokens.

$0 base (usage-based)

Enterprise

Custom. Dedicated capacity, private deployments, SOC2, HIPAA on request.

Custom

Replicate website ↗

Free-tier quotas head-to-head

Comparing hobby on Clerk vs payg on Replicate.

Metric	Clerk	Replicate
mao	100 orgs/month	—
mau	50000 users/month	—
sso connections	0 connections	—

Features

Clerk · 15 features

Account Portal — Hosted sign-in/user profile pages at accounts.yourapp.com — zero UI code, fully …
Bot Protection — Cloudflare Turnstile CAPTCHA integrated into sign-up.
Clerk Billing — Built-in Stripe-powered billing: subscriptions, plans, proration — ties directly…
Enterprise SSO (SAML/OIDC) — SAML and OIDC for enterprise customers. Per-domain connection. Pro+ (1 included)…
Impersonation — Act as a user from dashboard to debug. Logged.
JWT Templates — Custom JWT issuance for third-party backends (Supabase, Hasura, Firebase, Convex…
Machine Tokens (M2M) — API keys and machine tokens for service-to-service auth in addition to user sess…
Multi-Factor Auth — TOTP (authenticator apps), SMS OTP, backup codes. Forced or optional per user.
Organizations (B2B) — Multi-tenant orgs with roles, permissions, invitations, domain allowlist, and pe…
Passkeys (WebAuthn) — Passwordless passkey sign-in with per-device biometrics.
Prebuilt Components — Drop-in React components: <SignIn/>, <SignUp/>, <UserButton/>, <OrganizationSwit…
Sessions — Server-side session tokens. Sliding expiration by default; configurable absolute…
User Management — Full user CRUD, metadata (public/private/unsafe), email/phone verification, ban/…
Waitlist Mode — Collect sign-ups before opening the app. Approve waitlist entries to activate ac…
Webhooks — Events: user.created/updated/deleted, session.created, organization.* — delivere…

Replicate · 11 features

10k+ Models — Public catalog of image, video, audio, LLM, embedding, speech models.
Batch Predictions — Parallel batch execution.
Cog — OSS tool to containerize ML models. Standard for Replicate.
Deployments — Private model endpoints with dedicated GPUs.
File Storage — Temporary output file hosting.
Fine-Tuning — Fine-tune FLUX, SDXL, Llama 2/3 with your data.
Per-Second Billing — Pay only while model runs. No idle cost for public models.
Playground — Interactive UI for every public model.
Predictions API — Async + sync + streaming predictions.
Streaming Outputs — SSE streaming for LLMs + audio.
Webhooks — Notify when predictions complete.

Developer interfaces

Kind	Clerk	Replicate
CLI	—	Cog (package models)
SDK	@clerk/astro, @clerk/backend / @clerk/clerk-sdk-node, @clerk/chrome-extension, @clerk/clerk-expo, @clerk/clerk-js (vanilla), @clerk/clerk-react, @clerk/clerk-react-native, @clerk/nextjs, @clerk/nuxt, @clerk/remix, clerk-sdk-go, clerk-sdk-python, clerk-sdk-ruby, @clerk/tanstack-start, @clerk/vue	replicate-go, replicate (Node), replicate-python
REST	Backend REST API, Frontend API	Replicate REST API
MCP	Clerk MCP	Replicate MCP
OTHER	Webhooks (Svix)	Webhooks

Staxly is an independent catalog of developer platforms. Outbound links to Clerk and Replicate are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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