Anthropic API vs WorkOS
API for Claude — frontier models for chat, tool use, agents, and long-context reasoning
vs. The modern identity platform for B2B SaaS
Pricing tiers
Anthropic API
Opus 4.7 — usage
Input $5 / output $25 / cache-write $6.25 / cache-read $0.50 per 1M tokens. Batch = 50% off.
Custom
Sonnet 4.6 — usage
Input $3 / output $15 / cache-write $3.75 / cache-read $0.30 per 1M tokens. Batch = 50% off.
Custom
Haiku 4.5 — usage
Input $1 / output $5 / cache-write $1.25 / cache-read $0.10 per 1M tokens. Batch = 50% off.
Custom
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
Free-tier quotas head-to-head
Comparing opus-4-7 on Anthropic API vs authkit-free on WorkOS.
| Metric | Anthropic API | WorkOS |
|---|---|---|
| discount batch | 50 % off | — |
| mau included | — | 1000000 users/month |
| organizations | — | unlimited orgs |
| staging environments | — | free envs |
Features
Anthropic API · 0 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…
Developer interfaces
| Kind | Anthropic API | WorkOS |
|---|---|---|
| CLI | Claude Code CLI | — |
| SDK | Go SDK, Java SDK, Python SDK, Ruby SDK, TypeScript SDK (@anthropic-ai/sdk) | workos-go, @workos-inc/authkit-nextjs, workos-java, workos-node, workos-php, workos-python, workos-ruby |
| REST | AWS Bedrock, Google Vertex AI, Microsoft Azure AI, REST API (Messages + Agents) | WorkOS REST API |
| OTHER | — | Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Anthropic API and WorkOS are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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