Compare Tools

Ory vs Stytch

Live comparisonView as JSON
Ory
hybridFree (self-hosted)
Stytch
cloudFree up to 25 orgs
Agent Sdk
Token Delegation
Human In The Loop
Fga
Mcp Support
Async Authorization
Pricing
Free (self-hosted)Ory Network usage-basedCustom Enterprise
Free up to 25 orgsUsage-based ProCustom Enterprise
Open Source
Self-Hosted
SDK Languages
javascripttypescriptpythongojavaphpruby
javascripttypescriptpythonrubygo
Frameworks
langchain
langchainvercel-ai
Compliance
soc2gdpr
soc2gdpr
Best For
Self-hosted identity infrastructure with Kubernetes-native deployment; strong FGA via Keto (SpiceDB-compatible)
API-first auth for AI startups; headless identity with flexible session management
Limitations
No dedicated agent SDK; requires significant ops expertise to run at scale; no human-in-the-loop out of the box
No FGA, no dedicated agent SDK, no human-in-the-loop; good primitives but requires more DIY for complex agent patterns

Supported Not supported Unverified

For developers building AI agents, Ory and Stytch follow different paths. Stytch is a managed platform that lets your app act as an OAuth identity provider through Connected Apps. Agents register at runtime, get scoped tokens, and trigger built-in machine-actor abuse detection. Ory is open-source where you self-host each microservice (Hydra for OAuth, Keto for FGA, Kratos for identity) independently. Keto provides Zanzibar authorization for RAG document scoping. Stytch wins for managed agent provisioning with abuse controls. Ory wins for self-hosted RAG authorization and infrastructure flexibility.

Where Stytch wins

  • Agent Provisioning via Connected Apps with Runtime Registration. Stytch's Connected Apps turns your app into an OAuth identity provider. Agents register at runtime with Dynamic Client Registration. They get scoped tokens through standard OAuth consent flows and connect via delegated authorization without manual setup. Ory Hydra supports DCR as a protocol feature but requires manual registration flows, admin API calls, and scope configuration. That's substantially more engineering than Stytch's Connected Apps.

  • Built-In Agent Abuse Detection and Throttling. Stytch detects machine-actor abuse patterns automatically. Its controls handle non-human authentication traffic — high-frequency requests, bulk token acquisition, and anomalous behavior trigger throttling. Ory has no built-in machine-actor detection. You need external tooling (WAF, rate limiters) in front of Ory instead of native platform controls.

  • Deep Passwordless Authentication with Headless APIs. Stytch was built passwordless-first with Magic Links, SMS/WhatsApp OTP, Email OTP, Passkeys, and WebAuthn as core primitives. Ory Kratos requires custom flow development for equivalent passwordless coverage. Magic Links and multi-channel OTP are not out-of-the-box features.

Where Ory wins

  • Zanzibar-Style Fine-Grained Authorization for RAG Systems. Ory Keto provides Zanzibar-style relationship-based access control. It enables document-level permission scoping for RAG pipelines. You model complex access rules (which documents can an agent retrieve based on user role, resource owner, temporal factors) that standard OAuth scopes and RBAC cannot. Stytch has no FGA engine. RAG authorization requires custom work outside the platform.

  • Modular Open-Source Microservices for Complete Control. Ory's independent services (Kratos, Hydra, Keto, Oathkeeper) can be deployed and scaled separately within your infrastructure. You avoid Stytch's monolithic lock-in. Swap components, extend through Ory's Go SDK, or replace Hydra while keeping Keto. Stytch offers no self-hosting or modular architecture.

  • Self-Hosted Infrastructure Without Vendor Lock-In. Ory's open-source codebase runs entirely within your infrastructure with no per-user or per-MAU fees. Stytch is cloud-only. For strict data residency, air-gapped environments, or organizations avoiding SaaS lock-in, Ory provides complete control.

The agentic difference

Stytch treats agents as standard OAuth clients and focuses on dynamic agent onboarding. Connected Apps lets you issue M2M tokens, register clients at runtime with Dynamic Client Registration, and use OAuth 2.1 to expose your app to external agents. You also get agent abuse detection and throttling built for machine traffic patterns. Stytch lacks a token vault for managing outbound API credentials and offers no Fine-Grained Authorization for RAG data scoping.

Ory's strength for agents lies in the authorization layer. Ory Keto — a Zanzibar-style FGA service — enforces strict document-level permissions during RAG vector searches. Ory Hydra provides standards-compliant OAuth2 and OIDC for M2M token flows. Ory lacks a token vault for managing third-party API credentials and offers no Dynamic Client Registration shortcuts for MCP servers. Neither platform supports CIBA for asynchronous human-in-the-loop authorization.

When to pick which

  • Pick Stytch if agents need runtime OAuth provisioning and you require machine-actor abuse detection. Connected Apps handles agent onboarding with built-in throttling; Ory requires custom work to match it.

  • Pick Stytch when you build passwordless-first user flows with Magic Links, OTP, and Passkeys. Stytch's headless APIs reduce integration work compared to custom Kratos flow configuration.

  • Pick Ory if agents access data through RAG pipelines with document-level authorization scoping. Keto's Zanzibar model enforces per-resource permissions that OAuth scopes cannot.

  • Pick Ory if you must keep deployment self-hosted with no SaaS vendor lock-in. Ory's open-source microservices give you complete infrastructure control that Stytch's managed service cannot.

Last verified: 2026-05-09