Alternatives to Callab AI

ElevenLabs: Realistic AI voice generator, voice cloning, dubbing, and conversational AI agents.

Modular LLM-based omnichannel AI platform for enterprise contact centers.

Branded, customizable AI voice ordering for restaurant chains

Realtime voice AI platform with top-ranked TTS, speech-to-speech, and zero-markup LLM routing for consumer apps.

Real-time voice AI platform with 100ms TTS, 38-language STT, and native speech-to-speech

AI receptionist that answers your business line 24/7, books jobs, and blocks spam for $19.99/mo.

Build real-time voice & chat agents with emotionally expressive AI in minutes.

Enterprise Voice AI agents with in-house telephony and visual flow builder for high-volume call automation

Build and deploy LLM voice agents with 500-600ms low latency, from no-code to low-code.

No-code AI voice agents that automate phone calls, book meetings, and handle customer interactions 24/7.

No-code AI voice agents that answer calls, qualify leads, and book appointments 24/7.

Enterprise Voice AI platform with in-house telephony, a deployment framework, and ROI in weeks for automated phone calls.

Fastest text-to-speech API for AI voice agents — sub-100ms latency at 1¢/min.

Enterprise voice AI agents that handle complex calls with lifelike conversation

Real-time voice AI platform with Sonic TTS, Ink-2 STT, and Line voice agents

Build and deploy compliant voice AI agents with sub-500ms latency, at scale.

Open-source platform to build, deploy, and observe real-time voice, video, and physical AI agents.

Open-source framework for building and scaling voice AI agents

No-code AI voice agents for French healthcare and SMBs, automating inbound and outbound calls with multilingual support and 30+ languages.

AI-native business phone system with calls, SMS, video, fax, and contact center in one platform.

AI voice agents that autonomously improve your support metrics

Open-source framework for building real-time voice AI agents with modular STT/TTS/NLU.

Managed drive-thru voice AI for large QSR chains, boosting orders and cutting labor.

Real-time speech-to-text, expressive TTS & voice agent APIs for developers

Production-grade speech-to-text and voice agent APIs for builders

All-in per-minute AI calling for high-volume phone agents

Insurance-native AI agents that resolve calls, emails, and SMS end-to-end, integrated with your core systems.

Emotionally expressive TTS and real-time speech-to-speech AI with voice cloning and human-feedback evaluation tools.

Enterprise voice AI platform for regulated phone calls with per-minute pricing.

Agent-operated clinical AI platform with 7 agents for scribing, reception, billing & research at $129/mo.