What is the best AI voice agent in 2026?

ElevenLabs made its name with synthetic voices that are hard to tell from a person. Its Agents platform puts those voices on the phone: you write the agent's instructions, feed it a knowledge base, and connect a number. In our full ElevenLabs review it scores 4.2 out of 5, with 4.8 for features and depth, the highest mark on this list.

Agent minutes come bundled with every plan. You get 15 free minutes, then 75 minutes for $6 a month, 275 for $22, 1,238 for $99, 3,738 for $299 and 12,375 for $990. Extra minutes run $0.08, or $0.16 once you go past your plan's concurrency limit. At 900 minutes a month, Pro covers you for $99; Creator plus 625 overage minutes lands around $72. ElevenLabs does not charge extra for telephony, but if you plug in a Twilio number, Twilio bills you directly. The LLM that does the thinking during the call is also extra, depending on the model you pick.

The weak spot is billing. Public reviews average 3 out of 5 across roughly 1,200 ratings, and recent complaints describe an unrequested upgrade to a pricier plan and an agent that burned through credits faster than expected. Support scores 3.4 in our review. Watch your usage dashboard closely in week one.

Retell AI is a platform for building your own voice agent, not an off-the-shelf receptionist. You choose the voice, the LLM that understands and replies, and the phone number, then wire the agent to your calendar or CRM through the API. Users like how fast it gets you started: describe what the agent should do and Retell drafts it. Public reviews are excellent, 4.9 out of 5 across more than 800 ratings.

Pricing is itemized. Infrastructure is $0.055 a minute, telephony $0.015 (free over your own SIP trunk), voice $0.015 ($0.04 to $0.10 with an ElevenLabs voice), and the LLM anywhere from $0.024 for a small model to $0.16 for a large one. Retell's own example adds up to $0.11 a minute. For 900 minutes, expect $63 to $279, about $99 with that example. Silence and hold time are billed, failed calls are not, and billing is per second. You get 20 concurrent calls free, then $8 per extra line per month.

Retell lists SOC 2, "HIPAA-ready" and ISO 27001 on its pricing page. The catch: you assemble the final price yourself, and one customer complains that outbound batch calls stopped with nobody to help. Have someone on the team who reads API docs.

Bland AI sits next to Retell and Vapi as a developer platform, with one big difference: its per-minute price already includes the LLM, speech recognition and the synthetic voice. Telephony is billed separately, either on your own carrier or on Bland's at pass-through cost.

Start has no platform fee: $0.14 a minute plus $0.05 for every minute transferred to a human, with 10 concurrent calls and a cap of 100 calls a day. Build costs $299 a month, drops the rate to $0.12 and transfers to $0.04, and lifts limits to 50 concurrent calls and 2,000 calls a day. 900 minutes on Start comes to $126, plus telephony and transferred minutes.

The 100-calls-a-day cap on Start will choke an outbound campaign fast. We also found no usable public user reviews, so you are buying on the pricing page alone.

Vapi is the most open platform here. It does not lock you into a voice or a model: you plug in the providers you want and Vapi orchestrates the call. That is powerful if you ship software with a voice agent inside. It is a lot of plumbing for a simple front desk.

Vapi charges $0.05 a minute for hosting, prepaid, and passes model costs through at provider rates. Pay as you go gives you 4 concurrent calls and $5 of credit. Core is $29 a month for 10 concurrent calls. Pro takes 10% of hosting fees with a $999 monthly minimum and 30 concurrent calls. HIPAA compliance is a $2,000 monthly add-on, and each extra concurrent line is $10 a month. For 900 minutes, hosting alone is $45; voice, LLM and telephony come on top.

Support is the sore point. Public reviews are few and harsh, 2.5 out of 5 on 13 ratings: one user says the only help available is a bot, another that documented features such as DTMF keypad tones did not work for them. Check every feature you need during the free credit.

CloudTalk is a business phone system that adds AI voice agents. The AI Receptionist handles inbound calls; the AI Specialist also makes outbound calls and runs workflows in your tools. Its agents speak 70+ languages, the widest range on this list. Our full CloudTalk review scores it 3.3 out of 5.

The pricing page text lists the AI Receptionist at $99 a month for 200 minutes and the AI Specialist at $349 for 1,000 minutes, so 900 minutes fit inside the Specialist plan. The plan cards, though, show euro amounts, and the receptionist card reads 0 with 50 minutes. No overage rate is published. You get 50 free minutes and a 14-day trial.

Pricing that contradicts itself and support rated 2.6 in our review are the two things to weigh. Get the overage rate in writing before you sign.

Aircall is a well-known business phone system with a self-serve AI voice agent. It speaks 38 languages and connects to HubSpot, Salesforce, Zendesk, Shopify, Stripe and Calendly. No contract, no minimum: the easiest way on this list to try an agent with real callers.

You get 100 minutes when you sign up and 50 free minutes every month. After that, minutes cost $0.49, dropping to $0.39 above 2,500. Prepaid bundles bring it down: $175 a month for 500 minutes ($0.35 a minute) or $725 for 2,500. At 900 minutes pay as you go, with the 50 free monthly minutes deducted, you are looking at about $417, one of the priciest options at that volume.

Our full Aircall review scores it 3.2 out of 5, with value for money at 2.3 and support at 2.1. For a few dozen calls a month, it is a fine on-ramp. Beyond that, the per-minute price adds up quickly.