Agentic Index
Compare the best Voice agents (2026)
This page compares 14 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 |
P
PolyAI
|
R
Regal
|
P
Phonely
|
W
WIZ.AI
|
S
Sameday
|
D
Deepgram
|
P
PlayAI
|
C
Cartesia
|
G
Goodcall
|
R
Ribbon
|
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Entry price Lowest public entry point |
Custom; per-minute, ~6-figure/yr | Custom (contact sales) | Free to build; Starter $29/mo; Ent from $30k/yr | $9 per agent hour, usage based; custom enterprise contracts | Custom; from ~$1,000/mo | Free plan; usage ~$0.09/min; paid via sales | Free tier; paid from ~$35/mo + usage | Custom (contact sales) | Custom (flat monthly, from ~$449/mo) | Free $200 credit; Pay as you go; Growth from about $4,000/year; Enterprise | Free tier; Starter $9/mo; to $999/mo | Free plan; Pro from $4/mo; Startup $39/mo; Scale $239/mo; Enterprise; usage on credits and agent minutes | From $59/mo (per unique caller) | Free trial; $3 per interview; Ent custom |
|
Pricing confidence How public the numbers are |
Contact only | Contact only | Public — exact | Public — partial | Public — partial | Public — partial | Public — partial | Contact only | Public — partial | Public — exact | Public — exact | Public — exact | Public — partial | Public — partial |
|
Billing Primary billing axis |
— | — | — | usage (agent hours) | — | — | — | — | — | usage (minutes, characters, agent minutes) | — | credits (characters, seconds) and agent minutes | — | per completed interview |
|
Variable cost Workload / overage exposure |
Medium variable cost | Medium variable cost | High variable cost | High variable cost | Medium variable cost | High variable cost | Medium variable cost | Medium variable cost | Low variable cost | High variable cost | Medium variable cost | High variable cost | Low variable cost | Medium variable cost |
|
Free tier / trial Try before you buy |
No free tier
|
No free tier
|
No free tier
|
No free tier
|
No free tier
|
No free tier
|
No free tier
|
No free tier
|
No free tier
|
Free tierTrial
|
No free tier
|
Free tier
|
No free tier
|
No free tier
|
|
Buying motion Self-serve vs sales call |
— | — | — | Sales call | — | — | — | — | — | Mixed | — | Mixed | — | — |
Capability matrix (14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
P
PolyAI
|
9.5 / 14 | Full | Full | Full | Partial | Full | Full | Partial | Partial | Partial | Full | Partial | Partial | Partial | No |
|
R
Regal
|
9.5 / 14 | Full | Full | Partial | Partial | Full | Full | Full | No | Partial | Full | Partial | Partial | Full | No |
| 9.5 / 14 | Full | Full | Partial | Partial | Full | Partial | Partial | Full | Partial | Partial | Full | Partial | Full | No | |
| 9.0 / 14 | Partial | Full | Partial | Full | Full | Partial | Partial | Partial | Full | Full | No | Partial | Full | No | |
| 9.0 / 14 | Full | Full | Partial | Partial | Full | Full | Partial | Partial | Partial | Full | No | Partial | Full | No | |
| 9.0 / 14 | Full | Full | Partial | Partial | Full | Full | Partial | No | Full | Full | Partial | Partial | Partial | No | |
|
P
Phonely
|
8.5 / 14 | Full | Full | Partial | Partial | Full | Full | Partial | No | Partial | Full | Partial | Partial | Partial | No |
|
W
WIZ.AI
|
7.5 / 14 | Partial | Full | Partial | Partial | Partial | Full | Partial | Partial | Partial | Full | Partial | No | Partial | No |
|
S
Sameday
|
6.5 / 14 | Full | Partial | Partial | Partial | Partial | Partial | Partial | No | Full | Full | No | Partial | No | No |
|
D
Deepgram
|
6.0 / 14 | Full | Partial | No | No | Full | Partial | No | Full | No | Partial | Partial | Full | No | No |
|
P
PlayAI
|
6.0 / 14 | Partial | Partial | Partial | No | Full | No | Partial | Full | Partial | Partial | Partial | Partial | No | No |
|
C
Cartesia
|
5.5 / 14 | Full | Partial | No | No | Partial | Partial | No | Full | No | Partial | Partial | Full | No | No |
|
G
Goodcall
|
5.0 / 14 | Partial | Partial | Partial | Partial | Partial | Partial | Partial | No | Partial | Partial | No | No | Partial | No |
|
R
Ribbon
|
5.0 / 14 | Partial | Full | No | Partial | No | Partial | Partial | No | Partial | Partial | Partial | Partial | No | No |