AI receptionistsOnline
Botphonic
AI voice agents and AI answering service that answer, book and follow up on business calls.
- Languages
- 50 languages
VoiceAgents
VoiceAgents lists 197 voice AI vendors. Compare pricing models, starting prices, languages, telephony and compliance, with a link to the vendor's own source.
Explore voice AI vendors
Voice AI APIsOnline
Gladia
Speech-to-text API that transcribes and enriches conversations for voice products.
- Languages
- 100 languages
Voice AI APIsOnline
Rime
Text-to-speech voice models built for real-time conversations, with 600+ voices, 50+ languages and sub-100ms latency.
- Languages
- 50 languages
Voice agent platformsOnline
Bland AI
Build, deploy, and monitor AI voice agents that sound human. Self-hosted models, sub-second latency, and enterprise compliance.
- Languages
- 40 languages
Voice agent platformsOnline
Bolna
Bolna AI builds voice AI agents in 20+ languages. Automate support, sales and recruitment calls in Hindi, Hinglish, Tamil, Telugu and more.
- Languages
- 20 languages
Voice AI APIsOnline
Cartesia
Cartesia builds real-time voice AI: production voice agents, lifelike text-to-speech, and accurate speech-to-text in 44 languages.
- Languages
- 44 languages
Buyer guides
Getting Started: A Pilot Plan for Your First AI Phone Agent
Run a small, measured pilot before you commit. Pick one call type, set success measures, sign the compliance documents, test on recorded scripts, go live on a share of calls with a human fallback, then review the recordings and decide.
Read guide: Getting Started: A Pilot Plan for Your First AI Phone Agent
Buyer guides
AI Receptionist vs Contact-Centre Voice AI vs Outbound Calling vs Voice API
An AI receptionist answers a business's inbound calls. Contact-centre voice AI automates a support queue at scale. Outbound calling software makes calls and must follow consent rules. A voice API gives engineers the parts to build their own agent.
Read guide: AI Receptionist vs Contact-Centre Voice AI vs Outbound Calling vs Voice APIAll buyer guides
Buyer guides
- Getting Started: A Pilot Plan for Your First AI Phone Agent
Run a small, measured pilot before you commit. Pick one call type, set success measures, sign the compliance documents, test on recorded scripts, go live on a share of calls with a human fallback, then review the recordings and decide.
- AI Receptionist vs Contact-Centre Voice AI vs Outbound Calling vs Voice API
An AI receptionist answers a business's inbound calls. Contact-centre voice AI automates a support queue at scale. Outbound calling software makes calls and must follow consent rules. A voice API gives engineers the parts to build their own agent.
- AI Voice Agent Pricing Explained: Per-Minute, Subscription and Usage Stacks
Most AI voice agents bill per minute of talk time. The total is a stack: a platform fee, the language model, speech-to-text, text-to-speech and telephony. Some vendors bundle the stack into one rate; others sell annual contracts.
- AI Voice Agent Security and Compliance Checklist
Before an AI voice agent takes real calls, check five areas: HIPAA and a BAA for health data, a SOC 2 report, a GDPR processing agreement, PCI DSS for card payments, and call recording and robocall consent rules, including the FCC's 2024 ruling on AI voices.
- Build vs Buy: Open-Source Frameworks, Managed Platforms and Voice APIs
You can build a voice agent on an open-source framework such as Pipecat or LiveKit Agents, assemble it from voice AI APIs, or buy a managed platform. Building gives control and needs engineers. Buying is faster and gives less control.
- How to Choose an AI Voice Agent Platform
Start with the calls you want to automate. Then check six things in order: call type, integrations, compliance, concurrency, pricing model and control. Test a short list of vendors on your own calls before you sign.
- Questions to Ask an AI Voice Agent Vendor Before You Sign
Ask about the full cost at your volume, concurrency limits, which model and voice providers the vendor uses, data retention, compliance documents, human handoff and how you leave. Get every answer in writing.
- Voice AI Glossary: Terms Buyers Meet in Vendor Calls
Plain definitions of the voice AI terms that vendors use: latency, barge-in, turn detection, STT and ASR, TTS, speech-to-speech, SIP trunking, warm transfer, concurrency, BAA and more.
Countries
Categories
Questions
Which countries have the most voice AI vendors?
The countries with the most voice AI vendors are United States (135 voice AI vendors), India (15 voice AI vendors), United Kingdom (8 voice AI vendors), Germany (7 voice AI vendors), and Australia (6 voice AI vendors).
What kinds of voice AI vendors are listed?
VoiceAgents lists Contact-centre voice AI (65 voice AI vendors), AI receptionists (54 voice AI vendors), Voice agent platforms (40 voice AI vendors), Voice AI APIs (39 voice AI vendors), and Outbound and sales calling (27 voice AI vendors).
Is VoiceAgents run by a voice AI vendor?
No. The index is independent. Vendors can pay for a Verified badge or a labelled placement. Payment never changes the recorded facts.
Where do the prices come from?
From each vendor's own pricing page, as the vendor states it, with the date we checked it. Many vendors add speech, model and phone charges on top of a platform fee. Confirm the full price with the vendor before you sign.
Does a compliance badge mean the vendor is certified?
No. The compliance field repeats what the vendor publishes. Ask for the SOC 2 report, the ISO certificate or a signed HIPAA business associate agreement before you send regulated data.
Image credits
Evan Bench, CC BY 2.0, commons.wikimedia.org · Galak76, CC BY-SA 3.0, commons.wikimedia.org · Carl Lender, CC BY 2.0, commons.wikimedia.org · Shixart1985, CC BY 2.0, commons.wikimedia.org.
Published by VoiceAgents. How we check each voice AI vendor.