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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

Cognigy vs Vapi

Cognigy is positioned as enterprise agent workflows and Voice Gateway for existing contact-center environments. Vapi is positioned as a developer-oriented orchestration platform for phone and web agents with configurable providers

The decision in context

Cognigy is positioned as enterprise agent workflows and Voice Gateway for existing contact-center environments. Vapi is positioned as a developer-oriented orchestration platform for phone and web agents with configurable providers. Start by deciding who owns the missing layers, then inspect the documented differences below.

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

18 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
CognigyVapi
Decision signals / differences first

Start where the records differ.

5 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 pointCognigyVapi
Billing modelDifferent records
custom-sales-ledVerified Yes · 2026-09-28
platform-plus-pass-throughVerified Yes · 2026-09-28Documented product/configuration only; see research notes · New Usage-only account
Billing unitDifferent records
UnknownUnknown after research · 2026-09-28
minuteVerified Yes · 2026-09-28Documented product/configuration only; see research notes · New Usage-only account
Bring your telephonyDifferent records
YesConditional · 2026-09-28Voice Gateway
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
Warm transferDifferent records
UnknownUnknown after research · 2026-09-28
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
WebhooksDifferent records
YesConditional · 2026-09-28Unknown
YesVerified Yes · 2026-09-28API / webhookDocumented product/configuration only; see research notes
Bring your modelShared state
YesVerified Yes · 2026-09-28
YesVerified Yes · 2026-09-28Documented product/configuration only; see research notes
Your requirements & next steps
Carried from your shortlist

Your requirements

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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
CognigyEnterprise Platforms
VapiFull Platforms
Pricing model
Cognigy
custom-sales-ledVerified Yes · 2026-09-28

Sales-led enterprise component deployment; no public complete rate table in captured product documentation.

Vapi
platform-plus-pass-throughVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Headline / base price
Cognigy
UnknownUnknown after research · 2026-09-28

Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote.

Vapi
$0.05/min Vapi hostingVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Billing unit
Cognigy
UnknownUnknown after research · 2026-09-28

Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote.

Vapi
minuteVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Platform fee
Cognigy
UnknownUnknown after research · 2026-09-28

Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote.

Vapi
$0 Usage-only; optional Core $29/mo; Pro 10% hosting spend with $999/mo minimumVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Included usage
Cognigy
UnknownUnknown after research · 2026-09-28

Enterprise product and trial documentation reviewed; no complete current commercial schedule/eligibility or bundled provider costs established. Trial Knowledge AI does not inherit contracted SLA.

Vapi
Usage-only: 4 concurrent lines for new accounts; this is not included call minutesVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Overage
Cognigy
UnknownUnknown after research · 2026-09-28

Enterprise product and trial documentation reviewed; no complete current commercial schedule/eligibility or bundled provider costs established. Trial Knowledge AI does not inherit contracted SLA.

Vapi
Usage is metered; extra call lines $10/month eachVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Pass-through costs
Cognigy
Carrier and speech-provider subscription costs may applyConditional · 2026-09-28

Barge-in can increase speech subscription costs; contract determines payment route.

Vapi
LLM, transcriber, voice and carrier charges; HIPAA add-on $2,000/monthVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Free offer
Cognigy
UnknownNot researched

Not yet researched against this buyer-critical field standard.

Vapi
$5 free creditsVerified Yes · 2026-09-28

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

New Usage-only account
Complete cost ceiling
Cognigy
UnknownUnknown after research · 2026-09-28

Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote.

Vapi
UnknownUnknown after research · 2026-09-28

Provider choices, tokens, carrier and optional support/compliance fees are not fixed by minutes alone.

Documented product/configuration only; see research notes · New Usage-only account
What remains unresolved
Cognigy
UnknownUnknown after research · 2026-09-28

Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote.

Vapi
Provider choices, tokens, carrier and optional support/compliance fees are not fixed by minutes alone.Verified Yes · 2026-09-28

Research conclusion about cost completeness, not a vendor capability.

Documented product/configuration only; see research notes · New Usage-only account

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.

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What to verify together.

Cognigy

No public unit price was established; request itemized platform, speech, carrier and support costs.

Custom quote / current rate unresolved · V3.3 evidence review · Enterprise contract; complete public numeric schedule unavailable

Excluded / confirm: Complete cost cannot be established from this reference. Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote. · Carrier and speech-provider subscription costs may apply

custom-sales-ledVerified Yes · 2026-09-28

Sales-led enterprise component deployment; no public complete rate table in captured product documentation.

Read the complete profile →

Vapi

The $0.05 hosting charge is only one component of the call bill.

$0.05/min Vapi hosting · V3.3 evidence review · Hosting only; model, speech, carrier and compliance/support add-ons extra

Excluded / confirm: Complete cost cannot be established from this reference. Provider choices, tokens, carrier and optional support/compliance fees are not fixed by minutes alone. · LLM, transcriber, voice and carrier charges; HIPAA add-on $2,000/month

platform-plus-pass-throughVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · New Usage-only account
Read the complete profile →

The evidence overlap.

Both records have documented values for Product type, Technical setup, Pricing model, ElevenLabs TTS, Deepgram STT, OpenAI models, Anthropic models, Google models, Bring your model, MCP tools, Knowledge base / RAG, Function / tool calling and additional fields shown in Compare. 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.