AssemblyAI vs Stytch
Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming
vs. Authentication platform for B2C and B2B
Pricing tiers
AssemblyAI
Free Credits
$50 in free credits on signup. Full API access.
Free
Pay-as-you-go
Per-hour billing by model. No minimum.
$0 base (usage-based)
Enterprise
Custom contracts. SLA, private deployments, BAA.
Custom
Stytch
Free
10,000 MAU. Unlimited orgs. 5 SSO/SCIM connections. 1,000 M2M tokens. 10,000 fraud fingerprints. Full auth suite.
Free
Pay as you go
Usage-based after free allowances. Volume discounts for high MAU.
$0 base (usage-based)
Enterprise
Custom. 99.99% SLA, private Slack, migration assistance, HIPAA/BAA.
Custom
Free-tier quotas head-to-head
Comparing free-trial on AssemblyAI vs free on Stytch.
| Metric | AssemblyAI | Stytch |
|---|---|---|
| fraud fingerprints included | — | 10000 fingerprints/month |
| m2m tokens included | — | 1000 tokens |
| mau included | — | 10000 users/month |
| organizations | — | unlimited orgs |
| sso connections included | — | 5 conns |
Features
AssemblyAI · 11 features
- Advanced Prompting — Streaming with disfluency + code-switching + realtime diarization.
- Audio Intelligence — Sentiment, topic detection, summarization, entity detection, content safety, IAB…
- Auto Punctuation — Smart capitalization + punctuation.
- Keyterm Prompting — Boost accuracy for domain vocabulary.
- LeMUR (LLM framework) — Run LLMs over transcripts: Q&A, summary, action items.
- Medical Mode — Specialized for clinical + medical vocabulary.
- PII Redaction — Auto-redact credit cards, SSNs, addresses, emails.
- Pre-recorded Transcription — Upload audio/video URL or file → transcript.
- Realtime Streaming — WebSocket-based low-latency STT.
- Speaker Diarization — Identify who spoke when.
- Webhooks — Auto-notify when transcription finishes.
Stytch · 15 features
- B2B Auth — Multi-tenant auth: organizations, roles, JIT provisioning, enterprise SSO, SCIM.
- B2C Auth — Consumer auth: passwordless (magic links, OTP), passwords, OAuth, passkeys, WebA…
- Device Fingerprinting — Fingerprint devices at signup/login. Block bots, credential stuffing, and ATO at…
- Device-Fingerprint Risk API — Real-time risk scoring API usable even without full auth.
- Enterprise SSO (OIDC) — OIDC SSO per organization.
- Enterprise SSO (SAML) — SAML 2.0 SSO per organization. Self-serve admin portal.
- JIT Provisioning — Auto-create users in an org on first SSO sign-in.
- Machine-to-Machine — Client-credentials OAuth for service-to-service.
- OAuth / Social — Google, Apple, Microsoft, GitHub, Slack, Discord, Facebook, LinkedIn, Amazon, Bi…
- Organizations — Multi-tenant primitive with policies per org.
- Passkeys (WebAuthn) — FIDO2 passkey enrollment and authentication.
- Passwordless — Magic links (email) + OTP (email/SMS/WhatsApp) + embeddable magic links.
- RBAC — Roles and permissions per organization (B2B).
- SCIM Provisioning — Directory user/group provisioning from Okta, Azure, Google Workspace.
- Sessions — JWT or opaque session tokens. Configurable lifetime.
Developer interfaces
| Kind | AssemblyAI | Stytch |
|---|---|---|
| SDK | assemblyai-go, assemblyai (Node), assemblyai (Python), assemblyai (Ruby) | Android SDK, Go backend SDK, iOS SDK, Java backend SDK, JavaScript SDK, Next.js SDK, Node backend SDK, Python backend SDK, React SDK, Ruby backend SDK |
| REST | AssemblyAI REST API | B2B API, B2C API |
| OTHER | Streaming WebSocket, Webhooks | — |
Staxly is an independent catalog of developer platforms. Outbound links to AssemblyAI and Stytch are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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