AssemblyAI alternatives

At a glance

We list 7 other voice tools as alternatives to AssemblyAI: Cartesia, Deepgram, ElevenLabs, Retell AI, Superwhisper, Vapi and Wispr Flow.
Cartesia, ElevenLabs, Superwhisper and Wispr Flow have a free plan.
Cartesia, Deepgram, ElevenLabs, Retell AI and Vapi work with Twilio, as AssemblyAI does.
Cartesia and Deepgram work with LiveKit, as AssemblyAI does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.

7 alternatives

Listed alphabetically. A tool is ranked by its reviews once it has 3.

Cartesia
Voice agents that answer and make calls, and the speech models behind them, in one API
No reviews yet
No checked fact sets it apart from AssemblyAI yet.
Free plan
Yes
Paid plans from
Pro, $5 per month (as of October 20, 2026)
Platforms
API
Integrations shared with AssemblyAI
Twilio, LiveKit, Pipecat
Main features
Sonic text to speech, Ink speech to text, Managed Agents
Security and compliance
SOC 2, SSO
Compare with AssemblyAI
Be the first to review
Deepgram
Speech-to-text, text-to-speech and voice agent APIs for real-time, enterprise voice AI
No reviews yet
Choose it over AssemblyAI for: GDPR or HIPAA.
Plans
Pay as you go: $0.0043, Growth: $4K+ (as of October 19, 2026)
Platforms
API
Integrations shared with AssemblyAI
Twilio, LiveKit, Pipecat, Vapi, Amazon Connect
Main features
Voice agent API, Speaker diarization, Cloud or self-hosted deployment
Security and compliance
SOC 2, GDPR, HIPAA
Compare with AssemblyAI
Be the first to review
ElevenLabs
Create lifelike speech with an AI voice generator and voice agents platform, in 90+ languages
No reviews yet
Choose it over AssemblyAI for: HIPAA.
Free plan
Yes
Paid plans from
Pro, $99 per month (as of October 19, 2026)
Platforms
API
Integrations shared with AssemblyAI
Twilio
Main features
Text to speech, Speech to text, Voice cloning
Security and compliance
HIPAA, SSO
Compare with AssemblyAI
Be the first to review
Retell AI
Build, deploy, and manage AI voice agents that sound human, execute tasks, and scale
No reviews yet
Choose it over AssemblyAI for: Web; ISO 27001, GDPR or HIPAA.
Paid plans from
Pay as you go, $0.07 per minute for AI voice agents, from $0 (as of October 20, 2026)
Platforms
Web, API
Integrations shared with AssemblyAI
Twilio, Zapier, Make, n8n
Main features
Call transfer, Book appointments, Knowledge base
Security and compliance
SOC 2, ISO 27001, GDPR, HIPAA, SSO
Compare with AssemblyAI
Be the first to review
Superwhisper
AI voice to text for macOS, Windows, iOS and Android. Dictate in any app, offline or in the cloud
No reviews yet
Choose it over AssemblyAI for: macOS, Windows, iOS or Android; HIPAA.
Free plan
Yes
Plans
Free: $0, Enterprise: Custom (as of October 19, 2026)
Platforms
macOS, Windows, iOS, Android
Integrations shared with AssemblyAI
None in common
Main features
Dictation in any app, Offline transcription, Custom modes
Security and compliance
SOC 2, HIPAA
Compare with AssemblyAI
Be the first to review
Vapi
Build, test and deploy voice AI agents. The platform for developers creating conversational voice AI
No reviews yet
Choose it over AssemblyAI for: HIPAA.
Paid plans from
Core, $29 per month, plus usage (as of October 19, 2026)
Platforms
API
Integrations shared with AssemblyAI
Twilio
Main features
Testing and simulation, Call monitoring, Telephony and SIP
Security and compliance
SOC 2, HIPAA, SSO
Compare with AssemblyAI
Be the first to review
Wispr Flow
Voice-to-text AI that turns speech into clear, polished writing in every app
No reviews yet
Choose it over AssemblyAI for: macOS, Windows, iOS or Android; ISO 27001 or HIPAA.
Free plan
Yes
Plans
Free: $0, Enterprise: Custom (as of October 19, 2026)
Platforms
macOS, Windows, iOS, Android
Integrations shared with AssemblyAI
Zoom
Main features
Personal dictionary, Snippets, AI meeting notetaker
Security and compliance
SOC 2, ISO 27001, HIPAA, SSO
Compare with AssemblyAI
Be the first to review