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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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Deepgram vs Ringly.io

Deepgram is positioned as speech recognition models with separate speech generation and managed voice-agent APIs. Ringly.io is positioned as a Shopify-focused phone support agent billed by qualifying conversation. Start by decidin

The decision in context

Deepgram is positioned as speech recognition models with separate speech generation and managed voice-agent APIs. Ringly.io is positioned as a Shopify-focused phone support agent billed by qualifying conversation. 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.

8 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
DeepgramRingly.io
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 pointDeepgramRingly.io
Billing modelDifferent records
component-stackVerified Yes · 2026-09-28
per-conversationVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Billing unitDifferent records
STT audio minute; TTS thousand characters; agent WebSocket connection minuteVerified Yes · 2026-09-28
conversationVerified Yes · 2026-09-28Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Bring your telephonyDifferent records
YesConditional · 2026-09-28
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
Bring your modelDifferent records
YesVerified Yes · 2026-09-28
UnknownUnknown after research · 2026-09-28Documented product/configuration only; see research notes
HIPAA pathDifferent records
YesVendor claim · 2026-09-28Deepgram published compliance statement
UnknownUnknown after research · 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
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
Ringly.ioFull Platforms
Pricing model
Deepgram
component-stackVerified Yes · 2026-09-28

STT audio minutes, TTS characters and Voice Agent connection minutes are distinct.

Ringly.io
per-conversationVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Headline / base price
Deepgram
Voice Agent Standard $0.075/min; BYO TTS $0.065/min; BYO LLM + TTS $0.050/min; Advanced $0.163/min (PAYG)Verified Yes · 2026-09-28

External provider and telephony bills excluded where applicable. Do not infer a complete monthly ceiling.

Ringly.io
$99/month plus $1.99 per additional conversationVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Billing unit
Deepgram
STT audio minute; TTS thousand characters; agent WebSocket connection minuteVerified Yes · 2026-09-28

Billable open connection time is not just spoken audio.

Ringly.io
conversationVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Platform fee
Deepgram
PAYG has no minimum; Growth $4,000+/year commitmentVerified Yes · 2026-09-28

Growth is annual prepaid commitment, not invented monthly subscription.

Ringly.io
$99/monthVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Included usage
Deepgram
$200 trial credits; otherwise product-specific metered usageVerified Yes · 2026-09-28

No fixed included agent minutes inferred from credit dollars.

Ringly.io
50 qualifying conversations; test and excluded calls do not countVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Overage
Deepgram
UnknownUnknown after research · 2026-09-28

Initial credits, Growth commitments and tier rates are documented; no recurring free plan or universal rounding/contract terms inferred.

Ringly.io
$1.99 per qualifying conversation after the allowanceVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Pass-through costs
Deepgram
BYO model/TTS charges, carrier and customer transport hostingVerified Yes · 2026-09-28

Agent pricing covers selected tier and components; full workload determines bill.

Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Free offer
Deepgram
UnknownNot researched

Not yet researched against this buyer-critical field standard.

Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Current conversation plan; pre-September-12 legacy plans differ
Complete cost ceiling
Deepgram
UnknownUnknown after research · 2026-09-28

Carrier, hosting, model tier and BYO usage prevent a universal full monthly or per-minute ceiling.

Ringly.io
UnknownUnknown after research · 2026-09-28

Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
What remains unresolved
Deepgram
UnknownUnknown after research · 2026-09-28

Carrier, hosting, model tier and BYO usage prevent a universal full monthly or per-minute ceiling.

Ringly.io
Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour.Verified Yes · 2026-09-28

Research conclusion about cost completeness, not a vendor capability.

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ

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.

Deepgram

The current Nova-3 streaming rate is promotional.

Voice Agent Standard $0.075/min; BYO TTS $0.065/min; BYO LLM + TTS $0.050/min; Advanced $0.163/min (PAYG) · V3.3 evidence review · Voice Agent Standard PAYG WebSocket connection minutes; other tiers/BYO variants differ

Excluded / confirm: Complete cost cannot be established from this reference. Carrier, hosting, model tier and BYO usage prevent a universal full monthly or per-minute ceiling. · BYO model/TTS charges, carrier and customer transport hosting

component-stackVerified Yes · 2026-09-28

STT audio minutes, TTS characters and Voice Agent connection minutes are distinct.

Read the complete profile →

Ringly.io

Compare the billable-conversation definition against your actual call mix.

$99/month plus $1.99 per additional conversation · V3.3 evidence review · Additional eligible conversation after the $99/month plan allowance; legacy accounts differ

Excluded / confirm: Complete cost cannot be established from this reference. Conversation billing cannot be converted into cost/minute without actual duration and billing eligibility. Spend-cap shutdown can lag by up to an hour. · Provider, carrier and custom contract terms require separate verification

per-conversationVerified Yes · 2026-09-28

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

Documented product/configuration only; see research notes · Current conversation plan; pre-September-12 legacy plans differ
Read the complete profile →

The evidence overlap.

Both records have documented values for Product type, Technical setup, Pricing model, Published numeric pricing, 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.

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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.