Alternatives to Upfirst

SkipCalls is a 24/7 AI receptionist that answers your existing business line, books jobs, blocks spam, and texts you every call summary for $19.99/mo.

NextPhone answers every call 24/7 with an AI receptionist that qualifies leads and books appointments for a flat monthly rate.

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

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

Voctiv is an omnichannel generative AI platform that handles calls, messages, and appointments for enterprises, SMBs, and solo professionals.

AI voice admissions rep that calls every career-school inquiry within 60 seconds and books the appointment

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

Agentic AI for property management and healthcare that answers every lead, resident, and patient 24/7 across SMS, email, chat, and voice.

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

Bizzy AI is call infrastructure for banks and fintechs: its Otto agent phones service providers, negotiates with a live rep, and returns a transcript-verified

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

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

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

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

Open-source, self-hosted voice AI platform with a visual workflow builder, MCP-native design, and bring-your-own-key model support.

Resolve is an AI-native CRM built only for debt settlement teams, with six named AI workers automating intake, servicing, and negotiations.

One no-code platform for AI chatbot, outbound voice calling, WhatsApp broadcast, and sales analytics agents.

AI phone answering built only for home services — books jobs, texts follow-ups, and syncs dispatch, not just takes messages.

No-code AI voice and text agents that handle support, sales, and scheduling in 20+ languages.

Myna builds AI voice and SMS appointment-setting agents for service businesses — live in under an hour, no coding required.

Voice AI that answers restaurant phone and drive-thru orders with a customizable, branded persona.

Bland AI runs enterprise voice AI phone agents for regulated calls, with a per-minute rate that bundles LLM, STT, and TTS.

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

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

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

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

Routine's Android app unifies tasks, calendar, notes and databases in one local-first workspace, with AI voice commands, agents and meeting notes built in.

ElevenLabs turns text into ultra-realistic AI voice, music, dubbing and conversational voice agents from one 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.