Alternatives

Best Retell AI alternatives

10 tools similar to Retell AI, ranked by how closely they match what it does among voice & speech. All 10 have a free option.

Retell AI alternatives at a glance

Tool	Pricing	Compare
Retell AI(this tool)	Freemium
Fireflies.ai	Freemium · from $10/mo	vs Retell AI
AssemblyAI	Freemium	vs Retell AI
Cartesia	Freemium	vs Retell AI
Deepgram	Freemium
Fish Audio	Freemium
Hume AI	Freemium · from $3/mo
Krisp	Freemium · from $8/mo
Resemble AI	Freemium
Rev AI	Freemium
Speechify	Freemium · from $139/mo

Top 10 alternatives to Retell AI

Fireflies.ai

Free

Voice & speech

AI meeting notes with search, sentiment analysis, and CRM integration for sales teams.

Free plan forever ($0); Pro at $10/seat/month (billed annually); Business at $19/seat/month (billed annually); Enterprise at $39/seat/month (annual only).

ZoomGoogle MeetMicrosoft TeamsSlack+5

Free tierEveryoneAPI

FirefliesPopular

AssemblyAI

Free

Voice & speech

Voice AI infrastructure for builders — industry-leading speech-to-text and voice agent APIs

Free tier available · Enterprise pricing on request

Zoom

Free tierDevAPISelf-host

AssemblyAI (Universal-3 Pro, Universal-2, Universal-Streaming, Whisper-Streaming)Popular

Cartesia

Free

Voice & speech

Architecting AI that learns and interacts like humans — ultra-low latency voice AI

Cloud APIsVPCMobileRobotics

Free tierEveryoneAPISelf-host

CartesiaGrowing

Deepgram

Free

Voice & speech

The most accurate and cost-effective real-time APIs for speech-to-text, text-to-speech, and voice agents

Free tier available · Enterprise pricing custom

Amazon Connect

Free tierEveryoneAPISelf-host

DeepgramPopular

Fish Audio

Free

Voice & speech

The most expressive, emotionally controllable real-time AI voice platform

Free plan available for personal use only (not commercial). Paid plans required for commercial use and full rights. API available with pay-as-you-go pricing.

YouTubeTikTokAudible

Free tierEveryoneAPIOSSSelf-host

Fish Audio (proprietary models: Fish Audio S2.1 Pro, Fish Speech, OpenAudio)Popular

Hume AI

Free

Voice & speech

The data and evaluation layer for emotionally intelligent voice AI

Free plan at $0/month; Starter at $3/month; Creator at $7/month (1st month 50% off); Pro at $70/month; Scale at $200/month; Business at $500/month; Enterprise custom pricing. Usage-based overages apply for TTS characters and EVI minutes.

External LLMs

Free tierEveryoneAPI