Explore voiceagent.best
Estimate costOur independent methodology

Start here

Comparison LabCompare 27 voice AI platforms and components across seven buying contexts, with sourced capabilities, current price captures and visible unknowns.Voice AI Price Index: prices, evidence and historyUnderstand the complete voice-agent cost stack: models, voice, transcription, telephony, subscriptions, capacity and add-ons.Know the cost before the first callEstimate monthly voice-agent costs, AI minutes, setup expenses and volume scenarios using your own transparent assumptions.AI voice agents for dentalAppointments, rescheduling and after-hours calls—with a person ready for clinical questions. Explore call flows, safe automation, integrations, tests and cost considerations.

Compare Lab

AssemblyAI vs Frontdesk

AssemblyAI is positioned as transcription APIs for live and recorded audio, with model-specific language and analysis options. Frontdesk is positioned as a packaged front-office suite combining inbound reception, scheduling and cu

The decision in context

AssemblyAI is positioned as transcription APIs for live and recorded audio, with model-specific language and analysis options. Frontdesk is positioned as a packaged front-office suite combining inbound reception, scheduling and customer records. Start by deciding who owns the missing layers, then inspect the documented differences below.

STT and Full Platforms are different product categories. An underlying engine or framework is not a complete substitute for a deployed agent workflow.

10 jointly documented catalog fields. This measures evidence coverage, not equivalent quality or an overall winner.

Compare for the job

Test opening hours, booking conflicts and an unanswered transfer.

2 of 4 slots
AssemblyAIFrontdesk
Decision signals / differences first

Start where the records differ.

7 of 8 priority fields differ

Values and evidence states are compared together. Shared facts follow the differences; Unknown never means No.

Selected platforms: buyer-critical differences before detailed dimensions
Decision pointAssemblyAIFrontdesk
Billing modelDifferent records
component-stackVerified Yes · 2026-09-28
monthly-bundleVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Billing unitDifferent records
Async audio hours; streaming connection hours; agent session minutes; gateway tokensVerified Yes · 2026-09-28
monthVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Bring your telephonyDifferent records
YesVerified Yes · 2026-09-28
YesVendor claim · 2026-09-28Vendor-described telephony; not a tested carrier configuration
Bring your modelDifferent records
YesVerified Yes · 2026-09-28
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Warm transferDifferent records
UnknownUnknown after research · 2026-09-28
YesConditional · 2026-09-28Choose documented transfer mode; whisper and extension require Hot Transfer
HIPAA pathDifferent records
YesConditional · 2026-09-28Contract-covered AssemblyAI services · Sales-confirmed agreement
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Your requirements & next steps
Carried from your shortlist

Your requirements

Edit requirements →

Ready-made / AI receptionist · Strict evidence mode

No personal requirements yet. Add criteria in Advanced Filter to prioritize this comparison.

Unknown ≠ No
Evidence, side by sideNo benchmark scores
FrontdeskFull Platforms
Pricing model
AssemblyAI
component-stackVerified Yes · 2026-09-28

STT hours/session duration, agent minutes, gateway tokens and add-ons remain distinct.

Frontdesk
monthly-bundleVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Headline / base price
AssemblyAI
Universal-2 async / Universal-Streaming $0.15/hour; U3.5 Pro async $0.21/hour; U3 realtime $0.45/hour; Voice Agent $0.075/minVerified Yes · 2026-09-28

Model rates are scoped; add-ons stack; reference states updated May 29, 2026 and conflicts are retained.

Frontdesk
$99 monthly or $79/month billed annuallyVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Billing unit
AssemblyAI
Async audio hours; streaming connection hours; agent session minutes; gateway tokensVerified Yes · 2026-09-28

Idle streaming connection duration is billable. No fabricated all-in phone cost per minute.

Frontdesk
monthVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Platform fee
AssemblyAI
No base monthly subscription on PAYG; SSO add-on is separately monthlyVerified Yes · 2026-09-28

SSO costs $199 per connection per month; do not mistake no base fee for no fixed optional charges.

Frontdesk
$99/month monthly billingVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Included usage
AssemblyAI
New-account $50 credits for listed speech APIs; LLM Gateway excludedVerified Yes · 2026-09-28

Not a fixed monthly audio allowance; credits do not expire.

Frontdesk
200 voice minutes, 100 chat conversations, 400 SMS and 1,000 shared overage creditsVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Overage
AssemblyAI
PAYG rates after credits; access pauses at exhausted balance without fundingVerified Yes · 2026-09-28

No invented bundle overage.

Frontdesk
Auto top-up $10/1,000 credits; voice uses 25 credits/min ($0.25/min of purchased credits)Verified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Pass-through costs
AssemblyAI
Twilio carrier; optional custom/Gateway LLM; standalone STT add-ons and per-channel billingVerified Yes · 2026-09-28

Component choices and call mix must be specified.

Frontdesk
UnknownUnknown after research · 2026-09-28

Shared SMS/chat/voice credit use, top-ups, taxes and Enterprise-specific rates prevent a complete maximum from voice minutes alone.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Free offer
AssemblyAI
UnknownNot researched

Not yet researched against this buyer-critical field standard.

Frontdesk
7-day trialVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Monthly business offer; Enterprise differs
Complete cost ceiling
AssemblyAI
UnknownUnknown after research · 2026-09-28

No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary.

Frontdesk
UnknownUnknown after research · 2026-09-28

Shared SMS/chat/voice credit use, top-ups, taxes and Enterprise-specific rates prevent a complete maximum from voice minutes alone.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
What remains unresolved
AssemblyAI
UnknownUnknown after research · 2026-09-28

No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary.

Frontdesk
Shared SMS/chat/voice credit use, top-ups, taxes and Enterprise-specific rates prevent a complete maximum from voice minutes alone.Verified Yes · 2026-09-28

Research conclusion about cost completeness, not a vendor capability.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs

Anyone with this link can view the encoded decision criteria.

Vendor documentation establishes a claim. Public model benchmarks are separate context, not measurements of these platforms.

Open saved comparison ↗

What to verify together.

AssemblyAI

A transcription hour is not a complete agent hour.

Universal-2 async / Universal-Streaming $0.15/hour; U3.5 Pro async $0.21/hour; U3 realtime $0.45/hour; Voice Agent $0.075/min · V3.3 evidence review · Voice Agent API reference; standalone STT is hourly; transport/add-ons separate

Excluded / confirm: Complete cost cannot be established from this reference. No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary. · Twilio carrier; optional custom/Gateway LLM; standalone STT add-ons and per-channel billing

component-stackVerified Yes · 2026-09-28

STT hours/session duration, agent minutes, gateway tokens and add-ons remain distinct.

Read the complete profile →

Frontdesk

Model the shared overage-credit pool across voice, SMS and chat.

$99 monthly or $79/month billed annually · V3.3 evidence review · Business monthly subscription; shared voice/SMS/chat credits and top-ups separate

Excluded / confirm: Complete cost cannot be established from this reference. Shared SMS/chat/voice credit use, top-ups, taxes and Enterprise-specific rates prevent a complete maximum from voice minutes alone. · Provider, carrier and custom contract terms require separate verification

monthly-bundleVerified Yes · 2026-09-28

Reviewed current public offer; retain original billing scope and units.

Documented product/configuration only; see research notes · Monthly business offer; Enterprise differs
Read the complete profile →

The evidence overlap.

Both records have documented values for Product type, Call direction, Technical setup, Pricing model, Published numeric pricing, Call recording, Function / tool calling, Transcripts, Checked within 30 days, Retained price snapshot. Matching availability does not measure behavior under your call conditions.

Run the same booking, tool failure and unsuccessful human-transfer cases. Record both outcomes and billable units before signing a deployment agreement.

Build a buyer-operated pilot →

Editorial index gate: noindex-cross-category. Different product layers. This pair is useful for architecture inspection, not a like-for-like purchase ranking.