WorkOS vs Chroma
The modern identity platform for B2B SaaS
vs. Open-source vector DB designed for AI apps — embeddings-first, dev-friendly
Pricing tiers
WorkOS
AuthKit Free
First 1M MAUs free. Unlimited organizations, user management, social OAuth, passwordless.
Free
AuthKit Scale
Per 1M additional MAUs.
$2500/mo
Enterprise / Annual Credits
Custom with 99.99% SLA, guided migration, dedicated support.
Custom
Chroma
Cloud — Free
$5 free credits. Great for trying it out.
Free
Cloud — Pro
$100 credits included, then usage-based. Dedicated resources, SOC2, priority support.
$0 base (usage-based)
Self-Host (OSS)
MIT-licensed. Embedded or Docker. Free forever.
$0 base (usage-based)
Cloud — Enterprise
Custom. VPC, compliance, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing authkit-free on WorkOS vs cloud-free on Chroma.
| Metric | WorkOS | Chroma |
|---|---|---|
| mau included | 1000000 users/month | — |
| organizations | unlimited orgs | — |
| staging environments | free envs | — |
Features
WorkOS · 13 features
- Audit Logs — Standardized audit log pipeline with streaming to SIEMs (Splunk, Datadog, Sumo L…
- AuthKit — Complete drop-in user management UI + hosted auth flows. Built on top of WorkOS.
- Directory Sync — SCIM-based user provisioning/deprovisioning from Okta, Azure AD, Google Workspac…
- FGA (WorkOS) — Fine-grained authorization based on Google Zanzibar / OpenFGA.
- Magic Auth — Passwordless email codes + links. Good alternative to password auth for B2B.
- Multi-Factor Auth — TOTP + SMS MFA enrollment and verification APIs.
- Organizations — Multi-tenant B2B primitive. Attach SSO/Directory/Audit to specific customer orgs…
- Passkeys — WebAuthn passkeys as a first-class factor.
- Radar — Fraud protection: device fingerprinting + risk scoring at signup and login.
- Single Sign-On — Plug-and-play SAML 2.0 + OIDC SSO with 30+ identity providers pre-mapped.
- User Management — REST API + webhooks for user CRUD, email verification, sessions, MFA, metadata.
- Vault — Secret storage for tokens + per-tenant credentials.
- Widgets — Embeddable admin portals (SSO setup, directory mapping) that your customers self…
Chroma · 11 features
- Client-Server Mode — Run Chroma via Docker; clients connect over HTTP.
- Collections — Named groups of embeddings + metadata.
- Distributed (Cloud) — Horizontal scaling on Chroma Cloud.
- Embedded Mode — In-process Python — chromadb.Client() and go. Zero setup.
- Embedding Functions — Plug-in embedders (OpenAI, Cohere, SentenceTransformers, HF).
- Full-Text Search — BM25 + vector hybrid.
- Metadata Filters — Where-clause query language.
- Migration Tools — Import from Pinecone + other stores.
- Multi-Modal — Text + image embeddings (CLIP, etc.).
- Python + JS APIs — Same API shape across both SDKs.
- Serverless Cloud — Pay for storage + queries, auto-scale.
Developer interfaces
| Kind | WorkOS | Chroma |
|---|---|---|
| SDK | workos-go, @workos-inc/authkit-nextjs, workos-java, workos-node, workos-php, workos-python, workos-ruby | chromadb (JS/TS), chromadb (Python) |
| REST | WorkOS REST API | Chroma HTTP API |
| MCP | — | Chroma MCP |
| OTHER | Webhooks | Docker Server, Embedded Mode (in-process Python) |
Staxly is an independent catalog of developer platforms. Outbound links to WorkOS and Chroma are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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