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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.

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Cognigy vs Rime

Cognigy is positioned as enterprise agent workflows and Voice Gateway for existing contact-center environments. Rime is positioned as conversational TTS with separate models and enterprise deployment options. Start by deciding who

The decision in context

Cognigy is positioned as enterprise agent workflows and Voice Gateway for existing contact-center environments. Rime is positioned as conversational TTS with separate models and enterprise deployment options. Start by deciding who owns the missing layers, then inspect the documented differences below.

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

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

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Test opening hours, booking conflicts and an unanswered transfer.

2 of 4 slots
CognigyRime
Decision signals / differences first

Start where the records differ.

6 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 pointCognigyRime
Billing modelDifferent records
custom-sales-ledVerified Yes · 2026-09-28
character-creditVerified Yes · 2026-09-28
Billing unitDifferent records
UnknownUnknown after research · 2026-09-28
1,000 charactersVerified Yes · 2026-09-28
Bring your telephonyDifferent records
YesConditional · 2026-09-28Voice Gateway
Not applicableNot applicable · 2026-09-28Rime TTS component
Bring your modelDifferent records
YesVerified Yes · 2026-09-28
Not applicableNot applicable · 2026-09-28Rime TTS component
Warm transferDifferent records
UnknownUnknown after research · 2026-09-28
Not applicableNot applicable · 2026-09-28Rime TTS component
WebhooksDifferent records
YesConditional · 2026-09-28Unknown
UnknownUnknown after research · 2026-09-28UnknownCurrent captured product corpus; not a universal unsupported claim
Your requirements & next steps
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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
RimeVoice Engines
Pricing model
Cognigy
custom-sales-ledVerified Yes · 2026-09-28

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

Rime
character-creditVerified Yes · 2026-09-28

Mist and Coda are billed per characters. Approximate minutes are supplier illustrations, not normalized all-in phone rates.

Headline / base price
Cognigy
UnknownUnknown after research · 2026-09-28

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

Rime
Mist $0.03 / 1,000 characters; Coda $0.05 / 1,000 charactersVerified Yes · 2026-09-28

API synthesis rates; Enterprise separately quoted.

Billing unit
Cognigy
UnknownUnknown after research · 2026-09-28

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

Rime
1,000 charactersVerified Yes · 2026-09-28

Do not convert by assumed speaking rate.

Platform fee
Cognigy
UnknownUnknown after research · 2026-09-28

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

Rime
UnknownUnknown after research · 2026-09-28

Reviewed field-specific candidate passages and product, API, pricing, privacy, deployment, metrics and integration documentation. Matched vocabulary examples are not company/commercial facts; HTTP routing is not call routing; Slack support is not a Slack product integration; OTel metrics do not establish distributed traces. Public sources do not resolve this exact commercial/control detail.

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.

Rime
UnknownUnknown after research · 2026-09-28

Reviewed field-specific candidate passages and product, API, pricing, privacy, deployment, metrics and integration documentation. Matched vocabulary examples are not company/commercial facts; HTTP routing is not call routing; Slack support is not a Slack product integration; OTel metrics do not establish distributed traces. Public sources do not resolve this exact commercial/control detail.

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.

Rime
UnknownUnknown after research · 2026-09-28

Reviewed field-specific candidate passages and product, API, pricing, privacy, deployment, metrics and integration documentation. Matched vocabulary examples are not company/commercial facts; HTTP routing is not call routing; Slack support is not a Slack product integration; OTel metrics do not establish distributed traces. Public sources do not resolve this exact commercial/control detail.

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.

Rime
Separate STT, LLM, application hosting and carrier/transport billsVerified Yes · 2026-09-28

These are buyer stack costs, not verified pass-through charges invoiced by Rime.

Free offer
Cognigy
UnknownNot researched

Not yet researched against this buyer-critical field standard.

Rime
UnknownNot researched

Not yet researched against this buyer-critical field standard.

Complete cost ceiling
Cognigy
UnknownUnknown after research · 2026-09-28

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

Rime
UnknownUnknown after research · 2026-09-28

TTS characters do not establish complete agent monthly cost or minute cost. Recognition, reasoning, hosting and telephony are separate.

What remains unresolved
Cognigy
UnknownUnknown after research · 2026-09-28

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

Rime
UnknownUnknown after research · 2026-09-28

TTS characters do not establish complete agent monthly cost or minute cost. Recognition, reasoning, hosting and telephony are separate.

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 →

Rime

The free allowance and catalog counts conflict on official pages.

Mist $0.03 / 1,000 characters; Coda $0.05 / 1,000 characters · V3.3 evidence review · Mist TTS; Coda separately priced; catalog and free-credit conflicts remain

Excluded / confirm: Complete cost cannot be established from this reference. TTS characters do not establish complete agent monthly cost or minute cost. Recognition, reasoning, hosting and telephony are separate. · Separate STT, LLM, application hosting and carrier/transport bills

character-creditVerified Yes · 2026-09-28

Mist and Coda are billed per characters. Approximate minutes are supplier illustrations, not normalized all-in phone rates.

Read the complete profile →

The evidence overlap.

Both records have documented values for Product type, Technical setup, Pricing model, Analytics dashboard, 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.

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