Pricing comparison

The whole price, on one line.

Most voice AI is quoted per-minute — then the language model, telephony, and add-ons stack on top. Voismatic bundles all of it into one flat monthly plan, so the number you see is the number you pay.

Usage-based platforms

A low headline per-minute rate, then separate charges for the model, telephony, phone numbers, and features. The real cost only shows up on the invoice.

Voismatic

One flat plan whose price is a voice and SMS usage credit, with telephony included. One published rate for everything you use. No per-provider math, no surprise add-ons, no bill you can't predict at the start of the month.

Headline rate vs. real all-in cost

“Real all-in” folds in the model, telephony, and common add-on costs that usage-based platforms bill separately.

Provider	Advertised	Real all-in	Billed on top	Source
Voismatic Pro Flat monthly plan — a $99 voice and SMS credit; voice at $0.12/min, SMS at $0.02/segment.	$99/mo — $99 usage credit CAD	~$0.12/min CAD	Nothing beyond your credit — usage bills at the plan rate	voismatic.com/pricing
Vapi Usage-based orchestration — you bring your own LLM, STT, TTS, and telephony.	$0.05/min platform fee USD	~$0.07–0.31/min USD	Model provider costs (STT + LLM + TTS) Telephony (e.g. Twilio, per leg) Concurrency lines beyond the included set HIPAA as a paid add-on	vapi.ai/pricing
Retell AI Pure usage-based, no platform fee — priced per component.	$0.07/min headline USD	~$0.13–0.31/min USD	LLM cost by model Telephony per minute Knowledge base, QA, guardrails, and other add-ons Phone numbers, extra concurrency	retellai.com/pricing
Bland AI Platform fee plus tiered per-minute rate; lower rates require a monthly plan.	$0.14/min (or $299+/mo) USD	~$0.11–0.14/min + fees USD	Per-dial fees on outbound attempts Transfer-time billing $299–499/mo to reach the better per-minute tiers	bland.ai/pricing
Synthflow Per-minute usage across tiers; public pricing now leads with enterprise plans.	Tiered / Enterprise USD	~$0.45–0.58/min USD	Overage minutes on mid-tier plans Premium voices and low-latency add-ons Enterprise plans quoted annually	synthflow.ai/pricing
ElevenLabs Agents Credit-based tiers for the platform; phone and models are separate.	$0.08/min + credits USD	$0.08–0.16/min + more USD	LLM tokens billed separately Telephony via your own Twilio/SIP carrier Burst pricing (2×) over your concurrency cap	elevenlabs.io/pricing

How we compiled this

Figures are drawn from each provider's public pricing page as of July 2026, together with third-party cost analyses. Ranges reflect that real cost depends on the language model, call length, and the add-ons a team turns on. Voice AI pricing changes often — always confirm the current rate with the provider before deciding. Voismatic's rate is the Pro plan's $99 usage credit across its 825 voice minutes — $0.12/min — with telephony bundled.

Currencies are not converted in this table. Voismatic bills in CAD; every provider listed publishes in USD, and each row is labelled accordingly. At the August 2026 rate of 1.37 CAD per USD, a USD figure is roughly 37% higher once converted — so the rival columns understate their cost to a Canadian buyer rather than overstating it. The cost calculator does convert, and is the like-for-like comparison.

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