Alternatives to Delfino AI

Notable runs healthcare AI agents that automate patient access, revenue cycle, care operations, and contact center work.

PolyAI builds enterprise voice AI agents that handle complex customer calls in 40+ languages

Synthflow AI runs enterprise voice AI agents on its own telephony network for automated phone calls at scale.

Modular LLM agentic AI platform that automates enterprise contact centers across voice and text in Swiss-German, German, French and Italian.

Bland AI runs AI phone agents for regulated calls, bundling LLM, STT, TTS, and telephony into one per-minute rate from $0.14/min.

Agentic AI that answers every prospect, resident, and patient message across SMS, email, chat, and voice for housing and healthcare operators.

Vapi is an API-first platform for building voice AI agents that handle real inbound and outbound phone calls at sub-500ms latency.

AI phone answering built only for restaurants — it takes inbound calls, answers guest questions, and books reservations 24/7.

Millis AI (by TMate Inc.) builds LLM voice agents you can deploy to phone numbers, web, mobile or desktop with claimed 500–600ms latency.

Open-source voice AI framework for building real-time voice agents on phone calls and the web — self-hosted.

SkipCalls is a 24/7 AI receptionist for small businesses that answers your existing line, books jobs into your calendar, and texts you a summary of every call.

No-code AI voice agents that run outbound and inbound phone calls, book meetings, and take call-time actions for you.

Stellar's Beckon AI voice assistant calls every career-school inquiry within 60 seconds and books the appointment.

AI voice and chat support agents that chase a metric — resolution rate, escalation rate, or CSAT — not just answer calls.

Upfirst is an AI phone receptionist that answers calls 24/7, books appointments into your calendar, and texts you the details.

Inworld is a research lab and inference provider for realtime voice AI, offering first-party TTS-2 and STT models plus a zero-markup LLM router for developers

Low-latency text-to-speech API and AI voice agents — Murf AI runs real-time phone conversations at 1 cent per minute.

ElevenLabs generates ultra-realistic AI voice, music, dubbing, and voice agents from one shared credit pool.

Real-time voice AI platform: Sonic-3.6 text-to-speech and Ink-2 speech-to-text models plus Managed Agents for building production voice agents.

Turbo is Bland AI's per-minute voice API that bundles LLM, speech-to-text, and text-to-speech into a single rate.

Enterprise AI concierge platform for customer support agents that work across chat, voice, and email.

Voice AI that takes restaurant phone, drive-thru, text and kiosk orders in your brand's voice.

Emotionally expressive text-to-speech and speech-to-speech voice AI with human-judged evaluation built in.

Build voice and chat agents that hold real conversations in 70+ languages, live in about five minutes.

Voctiv runs AI call and message handlers that answer, qualify, and book for businesses of any size.

Inworld AI is a research lab and inference provider for realtime voice — first-party TTS-2 and STT models plus zero-markup routing across 220+ LLMs.

Enterprise voice AI agents running on Synthflow's own telephony network, from $30,000/year

Smallest.ai is a developer-first voice AI platform with TTS, STT, speech-to-speech models, telephony and hosting on one API-first bill.

Dograh is an open-source voice AI platform for building speech-to-speech agents you self-host with BYOK model keys.

AI-native CRM built for debt settlement teams, with six named AI workers automating intake, servicing, and negotiation.