ElevenLabs alternatives (2026)

The most hands-off "AI employee" with voice/phone, if you want done-for-you.

11x sells autonomous "digital workers" for go-to-market teams. Alice is an AI SDR that runs outbound prospecting end to end (lead research and enrichment from 50+ sources, ICP matching, and multi-channel sequencing across email, LinkedIn, SMS and phone), while Julian handles inbound voice and chat qualification.

Enterprise AI customer service platform branded "the AI concierge for every customer." It deploys AI agents across chat, email, and voice, configured with natural-language Agent Operating Procedures (AOPs) instead of code. Used by large brands like Notion, Duolingo, Eventbrite, and Rippling to deflect and fully resolve high support volume.

Enterprise "Agent OS" for customer experience. Sierra lets large brands build, optimize, personalize, and scale branded AI agents that resolve customer issues across chat, voice, SMS, WhatsApp, email and ChatGPT. Built by former Salesforce co-CEO Bret Taylor and former Google exec Clay Bavor.

Developer-first voice AI platform for building, testing, and deploying low-latency phone and voice agents. Vapi orchestrates speech-to-text, an LLM, and text-to-speech behind one API, handling telephony, turn-taking, interruptions, and tool calling so you wire in your own providers.

Retell AI is a developer-friendly AI voice agent platform for automating inbound and outbound phone calls. It bundles speech-to-text, a proprietary low-latency turn-taking model (~600ms), TTS, LLM orchestration, telephony, batch calling and post-call analytics into one usage-based stack you can run via a no-code dashboard or API.

Enterprise AI voice-agent platform that automates inbound and outbound phone calls 24/7 on Bland's own proprietary, vertically integrated stack (LLM, real-time STT, premium TTS/voice cloning, and telephony all in-house). Built for high-volume teams that need sub-second latency, full call observability, and SOC 2 / HIPAA / PCI compliance.

Enterprise-ready, no-code AI voice agent platform for automating inbound and outbound phone conversations at scale. Positions as an end-to-end Voice AI platform with in-house telephony, a visual flow designer, and 200+ integrations across CRM, calendar, and helpdesk tools.

Enterprise AI agent platform for customer service, pairing a multi-model AI engine with on-the-ground local deployment teams to run multilingual voice, chat, and email agents that resolve customer requests at human level across 30+ markets. Sales-led and deployment-heavy, it reports an 80% resolve rate handling tens of thousands of requests a day.

"The AI Front Office for Home Services," an always-on AI workforce for service businesses (HVAC, plumbing, electrical, and other trades) that answers every inbound call, text, and chat, qualifies urgency, checks technician availability, and books jobs straight into ServiceTitan or Housecall Pro 24/7. It also runs outbound re-engagement campaigns and scores CSR calls for coaching.

AI Customer Concierge built for complex, regulated companies like fintech and healthtech. Unlike basic deflection chatbots, Lorikeet resolves end-to-end support issues across chat, email, SMS, WhatsApp, and voice by following the same multi-step workflows and judgment your human agents use, taking actions like refunds, billing changes, and account updates.

JustCall is an AI-powered business phone and contact-center platform built for sales and support teams. It combines a cloud phone system (calls, SMS, voicemail) with AI voice agents that handle inbound and outbound calls, plus AI transcription, call coaching and scoring. It plugs into 100+ CRMs like Salesforce and HubSpot to log and automate every conversation.

CloudTalk is a cloud business calling and AI call-center platform for sales and support teams. The core product is a per-seat phone system with call routing, recording and analytics, layered with usage-priced AI Voice Agents (receptionist and specialist) and AI conversation-intelligence add-ons. You build a calling stack with seats first, then bolt on AI minutes.

Cartesia is a real-time voice AI platform built around its low-latency Sonic text-to-speech and Ink speech-to-text models, plus Line voice agents for building phone and conversational experiences. It is aimed at developers who need fast, natural-sounding speech at scale via API. Billing is credit-based for TTS/STT and per-minute for voice agent calls.

Regal is an enterprise AI voice agent platform built by contact center operators for CX and sales teams running phone, SMS, and chat at scale. It handles both inbound (support, bookings, reminders) and outbound (lead qualification, collections, sales dialing) with multi-channel journey orchestration, real-time analytics, and forward-deployed engineering support. Pricing is fully quote-based and aimed at large operations rather than self-serve buyers.