Agentic Index

Compare the best Voice agents (2026)

This comparison scores all 83 voice agents across the same 14 agentic AI capabilities, researched from public sources. HappyRobot shows the broadest documented coverage; see the full ranking for the ordered list.

This page compares 83 voice agents that handle phone calls and spoken conversations from greeting to resolution. Each vendor is scored across 14 buyer-facing capabilities, including channel coverage, integration breadth, human oversight, and deployment control. It is the complete category view, not a shortlist.

Feature coverage ranking. Scores are based on public-source research across 14 buyer-facing agentic AI capabilities. Unknown / Unspecified means evidence was insufficient in the reviewed public materials, not a definitive absence of capability.

Pricing snapshot

Sourced from the Index pricing dataset · open each vendor's profile for full detail.

Pricing
H
HappyRobot
E
ElevenAgents
S
Synthflow
B
Bland AI
R
Retell AI
C
Cognigy
D
Delight.ai
F
Five9
G
Gnani.ai
P
Phonely
Q
Quiq
V
Vapi
O
Omilia
P
PolyAI
S
Smallest AI
S
SoundHound
V
Vibrium AI
A
Augie
C
Cartesia
G
Giga
Glia logoGlia Pipecat logoPipecat Regal logoRegal Infinitus logoInfinitus Prosper AI logoProsper AI Thoughtly logoThoughtly Salient logoSalient careCycle logocareCycle Phonic logoPhonic Podium logoPodium Sully.ai logoSully.ai SuperDial logoSuperDial Thread logoThread Voiceflow logoVoiceflow Leaping AI logoLeaping AI LivePerson logoLivePerson Outverse logoOutverse Replicant logoReplicant
R
Robylon AI
SquadStack.ai logoSquadStack.ai Telli logoTelli Vooma logoVooma Assort Health logoAssort Health Callers logoCallers Sameday logoSameday Spoki logoSpoki aiola logoaiola Cedar logoCedar Deepgram logoDeepgram Futwork logoFutwork Goodcall logoGoodcall Hippocratic AI logoHippocratic AI Konvo logoKonvo Liberate logoLiberate Luma Health logoLuma Health mdhub logomdhub Parloa logoParloa Consio logoConsio EliseAI logoEliseAI Hyro logoHyro Kastle logoKastle Ribbon logoRibbon WIZ.AI logoWIZ.AI AviaryAI logoAviaryAI Avoca logoAvoca Broccoli logoBroccoli Rauda logoRauda Zeeg logoZeeg Delfa logoDelfa Netic logoNetic Numa logoNuma Sonant logoSonant Toma logoToma Hello Patient logoHello Patient Qventus logoQventus Slang.ai logoSlang.ai Zo (Zocdoc) logoZo (Zocdoc) Outcraft AI logoOutcraft AI Equal AI logoEqual AI Inntelo AI logoInntelo AI Trapeze logoTrapeze Solda AI logoSolda AI FleetWorks logoFleetWorks

Entry price

Lowest public entry point

Contact sales Free tier (15 agent minutes/mo); paid from $6/mo Starter up to $990/mo Business; overage $0.08/min; Enterprise custom Sales led; enterprise contracts from $30,000/yr Start $0.14/min with no platform fee; Build $299/mo at $0.12/min; Scale $499/mo at $0.11/min; Enterprise custom Pay as you go from $0 ($10 free credits); voice engine $0.07 to $0.08/min plus LLM and telephony billed separately; Enterprise custom Not published; enterprise only and quote based No published rate for the AI agent platform; quoted through sales. The separate Sendbird Chat SDK is billed per monthly active user with public list pricing. Seat-based subscription sold through sales, with AI Agents and Voice AI Agents priced on consumption; no public rates. Not public; quoted through enterprise sales Free plan; paid from $50/mo ($33/mo billed annually) No public pricing; subscriptions are quoted through sales Usage based · $0.05/min hosting fee + provider costs; success packages from $29/mo Contact sales Contact for quote; billed per minute Pay as you go from $0.05 a minute ($0.09 to $0.21 depending on models), plus $0.01 a minute hosting; $10 in free credits Contact sales No public pricing; contact sales Not public; priced per completed workflow, quoted after a demo Free plan; Pro $5/mo; Startup $49/mo; Scale $299/mo; Enterprise; usage on credits and agent minutes Not public; quoted through enterprise sales Not public; quoted through sales under a predictable model with no metering on seats, minutes, or AI usage Free (open source) · Cloud from $0.01/agent min Custom (contact sales) Contact sales Contact sales Flex from $500/mo; Scale and Enterprise tailored Contact sales Not public; a flat rate per active policy plus usage, quoted in a call $0.14/min on Starter ($0/mo with $30 monthly credits); Pro $240/mo at $0.12/min Not public; the AI Employee is an add on to a base Podium subscription, priced by custom quote Contact sales Contact sales $34 per license per month (AI Pro) Not public · free plan Contact for quote Not published; three tiers all requiring a custom quote Not public. Outverse is sold through an enterprise motion that starts with a scoped proof of value before a longer term commitment; pricing is not published. Contact for pricing $25/mo Not public; per minute quote after a discovery call Contact sales Contact sales Contact sales; no pricing published Not public; demo led From $449/mo (Launch, 500 minutes) Free plan at €0 per month; paid plans from €19 per month (Service) and €49 per month (Marketing), plus pass through Meta WhatsApp conversation fees. Not public; demo led Contact sales; no pricing published Free $200 credit; Pay as you go; Growth from $4,000/year; Enterprise Pilot: ₹150,000 flat for 25,000 AI minutes; sales use cases ₹3.75 a minute plus incentives from 8% of revenue From $79/mo per agent ($66/mo billed annually) Polaris Pro from $9 per hour; other products and enterprise terms through sales Not published on Konvo's site. Its Shopify App Store listing quotes from $155 per month. Contact sales Contact sales Emma from $50 per clinician a month (Lite; $42 billed annually); Sarah, Eric and the full platform by demo Consumption based (contact for pricing) Usage based: $0.10 per call minute plus $0.30 per AI voice agent minute; SMS $0.016 Contact sales Contact sales Contact sales From $499/mo billed annually (Growth, 100 interviews) Custom (contact sales) Not public; demo led Contact sales Not public; demo led, quoted to contractors and multi-location operators Contact sales AI Voice Agent from €59 a month (€49 billed annually) for 250 inbound minutes; scheduling free, paid seats from €12 Contact sales Contact sales Contact sales Contact sales Contact sales Contact sales Contact sales From $399 per location per month (Core) Outcome based: paid per appointment Zo manages; rate not published From $300/mo for up to 100 leads ($3.00 a lead), falling to under $1.00 a lead above 4,000 leads; custom above 10,000 leads; monthly, cancel anytime; free trial Free app (Android and iOS); no paid plan published Not public; no pricing page exists and all inquiries route to a demo booking Request a consultation Contact sales Contact sales

Pricing confidence

How public the numbers are

Contact only Public, exact Public, partial Public, exact Public, partial Contact only Contact only Contact only Contact only Public, exact Contact only Public, exact Contact only Contact only Public, exact Contact only Contact only Contact only Public, exact Contact only Contact only Public, exact Contact only Contact only Contact only Public, partial Contact only Contact only Public, exact Contact only Contact only Contact only Public, partial Contact only Contact only Contact only Contact only Contact only Public, exact Contact only Contact only Contact only Contact only Contact only Public, exact Public, exact Contact only Contact only Public, exact Public, exact Public, exact Public, partial Contact only Contact only Contact only Public, partial Contact only Public, exact Contact only Contact only Contact only Public, exact Contact only Contact only Contact only Contact only Contact only Public, exact Contact only Contact only Contact only Contact only Contact only Contact only Contact only Public, exact Contact only Public, exact Public, partial Contact only Contact only Contact only Contact only

Billing

Primary billing axis

enterprise contract (bundled platform) hybrid (subscription tiers with included agent minutes, then per minute overage) contract scoped on call volume, concurrency, telephony, integrations and support hybrid (plan tier sets the per minute rate, then per connected minute usage) usage (per minute across voice engine, LLM, and telephony components) license plus usage, telephony and implementation services monthly active users, message volume, and AI resolutions per seat subscription editions plus consumption based AI Agent usage Not published monthly plans with included minutes, per minute beyond described by a third party marketplace profile as subscriptions based on users, messaging channels, and the level of AI and automation features; not confirmed on company pages usage usage per minute of agent use per agent minute by model choice, plus a per minute hosting fee usage — Per completed workflow outcome; Knowledge Hub per seat credits (characters, seconds) and agent minutes Not published flat platform subscription, not metered by seats, minutes, or AI usage — Annual platform and license fee plus usage per task or per minute, or subscription. Inference, not stated by the vendor: call volume and workflows deployed. plan by concurrency and support level, usage across channels unmetered enterprise contract Per active policy on the book, plus usage per conversation minute base platform subscription plus an AI Employee add on, custom quoted — — per license per month; AI ticket credits pooled across break-fix customers plan fee + add ons (seats, phone numbers, concurrent calls) + credits — usage and feature tier Enterprise engagement scoped by workflows and volume; starts with a proof of value. — AI credits consumed per message, with optional human agent seats billed separately Per minute of AI conversation, plus a one time setup fee per use case not captured likely product mix (Quote, Build, Voice, Agents) and volume Not published. Not published monthly plans with included minutes Monthly subscription tier plus pass through per conversation Meta WhatsApp fees Not published — usage (minutes, characters, agent minutes) Per AI minute, plus per outcome pricing by use case after the pilot agents, with a monthly allowance of unique customers usage (agent hours) for Polaris Pro tiered subscription + per AI session enterprise contract — Per clinician per month for Emma; not published for Sarah, Eric or the full platform. — call minutes, AI agent minutes and SMS, as credits Not published — enterprise contract plan with seats, active roles and monthly interviews — Not published Not published Not published not captured Monthly AI minute packages for the voice agent, plus per user scheduling plans Not published not captured not captured not captured not captured usage (conversation volume across SMS, voice and web chat) — per location per month (Core, Premium, Enterprise) per appointment Zo successfully manages Monthly band by inbound leads the agent engages; unlimited seats and all channels on every band; custom above 10,000 leads free consumer app per room; modular by module not captured enterprise contract not captured

Variable cost

Workload / overage exposure

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Free tier / trial

Try before you buy

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Buying motion

Self-serve vs sales call

Sales call Mixed Sales call Mixed Mixed Sales call Sales call Sales call Sales call Mixed Sales call Mixed Sales call Sales call Mixed Sales call Sales call Sales call Mixed Sales call Sales call Self-serve — Sales call Sales call — Sales call Self-serve Mixed Sales call Sales call Sales call Self-serve Mixed Sales call Sales call Sales call — Mixed Sales call Sales call Sales call Sales call Mixed Sales call Self-serve Sales call Sales call Mixed Sales call Mixed Sales call Sales call Sales call Sales call Mixed — Self-serve Sales call Sales call Sales call Mixed — Sales call Sales call Sales call Sales call Self-serve Sales call Sales call Sales call Sales call Sales call Sales call Sales call Self-serve Sales call Sales call Self-serve Sales call Sales call Sales call Sales call

Capability matrix (83 vendors)

14 buyer-facing capabilities · researched from public sources

Vendor Coverage Integrations & Tool Calling Workflow Orchestration Knowledge Grounding & RAG Human Oversight & Guardrails Security, Identity & Governance Observability & Auditability Memory & State Persistence Deployment & Data Residency Prebuilt Agents, Templates & Packs Triggers & Channel Coverage Model Flexibility & Routing APIs, SDKs & MCP Extensibility Testing, Debugging & Optimization Browser & Computer Use
13.0 / 14 Full Full Full Partial Full Full Full Full Partial Full Full Full Full Full
12.5 / 14 Full Full Full Full Full Full Partial Full Full Full Full Full Full No
12.5 / 14 Full Full Full Partial Full Full Full Full Full Full Full Full Full No
12.0 / 14 Full Full Full Full Full Full Full Full Full Full No Full Full No
12.0 / 14 Full Full Full Full Full Full Full No Full Full Full Full Full No
11.5 / 14 Full Full Full Partial Full Full Partial Full Partial Full Full Full Full No
11.5 / 14 Full Full Full Full Full Full Full Full Partial Full No Full Full No
F
Five9
11.5 / 14 Full Full Full Full Full Full Partial Partial Full Full Partial Full Full No
11.5 / 14 Full Full Full Partial Full Full Partial Full Full Full Full Full Partial No
11.5 / 14 Full Full Full Partial Full Full Partial Full Full Full Partial Full Full No
Q
Quiq
11.5 / 14 Full Full Full Full Full Full Partial Partial Partial Full Full Full Full No
V
Vapi
11.5 / 14 Full Full Full Partial Full Full Partial Full Partial Full Full Full Full No
O
Omilia
11.0 / 14 Full Full Full Full Full Full Partial Full Full Full No Partial Full No
P
PolyAI
11.0 / 14 Full Full Full Partial Full Full Full No Partial Full Full Full Full No
11.0 / 14 Full Full Full Partial Full Full Partial Full Partial Full Full Full Partial No
11.0 / 14 Full Full Full Full Full Full Partial Full Full Full Full Partial No No
11.0 / 14 Full Full Full Full Full Full Partial Full Full Full Full No Partial No
A
Augie
10.5 / 14 Full Full Full Partial Full Full Partial No Full Full No Partial Full Full
10.5 / 14 Full Partial Full Partial Full Full Partial Full Partial Full Full Full Partial No
G
Giga
10.5 / 14 Full Full Full Full Partial Full Partial No Partial Full No Full Full Full
G
Glia
10.5 / 14 Full Full Full Full Full Full Partial Partial Full Full No Full Partial No
10.5 / 14 Full Full Partial Partial Partial Full Partial Full Partial Partial Full Full Full Partial
R
Regal
10.5 / 14 Full Full Full Partial Full Full Partial No Partial Full Full Full Full No
10.0 / 14 Full Full Full Partial Full Full No No Full Full No Full Full Partial
10.0 / 14 Full Full Partial Full Partial Full Partial Full Full Full No Full Partial No
10.0 / 14 Full Full Full Partial Full Full Partial Partial Partial Full Partial Full Partial No
9.5 / 14 Full Full Partial Partial Full Full Partial No Full Full No Full Full No
9.0 / 14 Full Full Full Partial Full Full No No Full Full No Full Partial No
P
Phonic
9.0 / 14 Full Full Partial Partial Full Full No Full No Full No Full Full No
P
Podium
9.0 / 14 Full Full Partial Full Partial Partial Partial No Full Full No Full Full No
9.0 / 14 Full Full Partial Partial Full Full No No Full Full Partial Full Partial No
9.0 / 14 Full Full Partial Partial Full Full No Partial Full Partial No Full Partial Partial
T
Thread
9.0 / 14 Full Full Full Full Partial Partial Full Partial Partial Full Partial No Partial No
9.0 / 14 Full Full Full Unknown Full Partial Unknown Partial Partial Full Full Full Partial No
8.5 / 14 Full Full Partial Partial Partial Partial Partial Partial Partial Full Partial Partial Full No
8.5 / 14 Full Full Partial Full Full Partial Unknown Unknown Partial Full No Full Full No
8.5 / 14 Full Full Partial Full Partial Full Partial No Partial Partial Partial Partial Full No
8.5 / 14 Full Full Partial Full Full Full No No Partial Full Partial No Full No
8.5 / 14 Full Full Full Partial Full Partial Partial No Partial Full Full No Partial No
8.5 / 14 Full Full No Partial Partial Partial Partial Full Partial Full Partial Partial Full No
T
Telli
8.5 / 14 Full Full Full Partial Partial Partial No No Partial Full Partial Full Full No
V
Vooma
8.5 / 14 Full Full Partial Full Partial Partial Partial No Full Full No Full No Partial
8.0 / 14 Full Full Full Partial Partial Partial Partial No Full Full No No Full No
8.0 / 14 Full Full Full Partial Full Partial Partial No No Full No Full Partial No
8.0 / 14 Full Partial Partial Partial Partial Full Partial No Full Full No Partial Full No
S
Spoki
8.0 / 14 Full Full Partial Partial Partial Partial Partial Partial Partial Full No Full Partial No
a
aiola
7.5 / 14 Partial Full Partial Partial Partial Full No Partial Full Partial No Full Partial No
C
Cedar
7.5 / 14 Full Full Partial Partial Partial Full Partial No Full Full No No Partial No
7.5 / 14 Full Partial No Partial Full Partial Partial Full No Partial Full Full No No
7.5 / 14 Full Partial Partial Partial Partial Partial No No Full Full Partial Partial Full No
7.5 / 14 Full Full Partial Partial Full Full Partial No Partial Full No No Partial No
7.5 / 14 Full Full Partial Partial Partial Partial Partial No Full Full No No Full No
7.5 / 14 Full Full Full Partial No Partial Partial No Full Full No No Full No
7.5 / 14 Full Full Partial Partial Full Partial No No Partial Full No Partial Full No
7.5 / 14 Full Full Partial Full Full Partial No No Full Full Partial No No No
7.5 / 14 Full Full Partial Full Full Partial Partial No Full Full No No No No
7.5 / 14 Full Full Partial Partial Full Partial No No Partial Full No Partial Full No
7.0 / 14 Full Partial Full Partial No Full No No Partial Full No Full Partial No
7.0 / 14 Full Partial Full Partial Full Full No No Full Full No No No No
7.0 / 14 Full Partial Full Partial Partial Full No No Full Full No No Partial No
7.0 / 14 Full Full No Partial Partial Partial No No Full Full No Partial Full No
7.0 / 14 Full Partial Partial Partial Full Partial Partial No Partial Partial Partial Full No No
7.0 / 14 Partial Partial Partial Partial Partial Full Partial Full Partial Full No No Partial No
6.5 / 14 Full Partial Partial Full Partial Partial No No Full Partial No No Full No
6.5 / 14 Full Partial Partial Partial Partial Full No No Full Full No No Partial No
6.0 / 14 Full Partial No Partial Partial Partial No No Full Full Partial No Partial No
6.0 / 14 Full Partial Partial Partial No Partial No No Partial Full Partial No Full No
6.0 / 14 Full Partial Full Partial Partial Partial No No No Full No Full No No
5.5 / 14 Full Partial Partial Partial Partial Partial No No Partial Partial No No Full No
5.5 / 14 Full Partial Partial Partial Partial Full No No Partial Full No No No No
5.5 / 14 Full Partial Partial Partial No Full No No Full Full No No No No
5.5 / 14 Full Partial Partial Partial Partial Partial Partial No Partial Full No No No No
5.5 / 14 Full Partial Partial Partial Partial Partial No No No Full No No Full No
5.0 / 14 Full Partial Partial Partial Partial Partial No No Partial Full No No No No
5.0 / 14 Full Partial Partial Partial No Partial No No Full Full No No No No
5.0 / 14 Full Partial Partial Partial Partial Partial No No Partial Full No No No No
5.0 / 14 Full Partial Partial Partial Partial Partial No No Partial Full No No No No
4.5 / 14 Full Full Partial No Partial No Partial No No Full No No No No
4.0 / 14 No Partial Partial Partial No Partial Partial No Partial Full No No No No
4.0 / 14 Partial Full Unknown Partial Unknown Partial Partial Unknown Partial Partial No No No No
4.0 / 14 Full Partial Partial Unknown Unknown Partial Unknown Unknown Partial Full Unknown Unknown Unknown Unknown
3.5 / 14 No Partial No No Partial No No No Partial Full No No Full No
0.0 / 14 Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Full / Explicit= Confirmed supportedPartial= Partial / limitedNo / Not documented= Not publicly documented as first-classUnknown / Unspecified= Not verified in public sources

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