Features, pricing, and fit
Compare Amazon Connect Customer AI with Nova Sonic and Empathic Voice Interface on voice capabilities, pricing, and fit.
Compare Amazon Connect Nova Sonic and Hume EVI for AI phone agents, Voice AI platforms, then match channels, workflows, and deployment models to your call flow.
Amazon Connect Customer AI lets a Connect bot locale select Nova Sonic speech-to-speech while Connect retains orchestration, intents, and flows.
Amazon Connect contact centers evaluating native speech-to-speech within existing bot locales and flow tooling.
Explore its buying criteria: AI phone agents · Voice AI platforms · Contact-center AI.
EVI is a speech-to-speech WebSocket API that streams transcripts, vocal-expression measures, assistant text, and response audio.
Developers evaluating prosody-aware spoken interactions with configurable voices and optional supplemental LLMs.
Explore its buying criteria: AI phone agents · Voice AI platforms.
Both profiles checked 2026-09-04.
Use the table below to compare each provider’s documented scope.
Before you decide
Amazon Connect Nova Sonic: Usage-based Amazon Connect Customer AI voice minutes plus standard telephony and other AWS service charges. Hume EVI: Monthly plans include EVI minutes; additional EVI 3 usage is billed per minute on Pro, Scale, and Business, while TTS uses separate character allowances and rates. Ask both vendors to quote the same expected workload, required channels, and implementation scope. Include required subscriptions and usage charges before comparing the total; the listed starting prices alone may cover different work.
The recorded knowledge and data sources for Amazon Connect Nova Sonic include Not publicly documented. For Hume EVI, they include Not publicly documented. Ask each provider to demonstrate access for the exact systems you use, with permissions, freshness, and failure behavior. A source missing from this directory is not proof that a provider cannot support it.
Use the same representative calls, approved instructions, and escalation rules in both pilots. How does it handle interruption and uncertainty? Which actions can it complete, and which require approval? What context reaches a human during transfer? Record conversation quality, completed tasks, human handoffs, and total cost in the buyer worksheet. Check these specific cautions before launch: Amazon Connect Nova Sonic: Verify region, language, model access, carrier, recording, logging, retention, and every additional AWS charge. Hume EVI: Empathic positioning is not proof of accurate emotion inference. Test false interpretations, cultural variation, consent, sensitive uses, and escalation.
Record your requirements and pilot results in the buyer worksheet →
Swipe or scroll the table to see every column.
| Criterion | Amazon Connect Customer AI with Nova Sonic | Empathic Voice Interface |
|---|---|---|
| Provider type | Contact-center AI and native speech-to-speech model | Expressive native voice model API |
| Best fit | Amazon Connect contact centers evaluating native speech-to-speech within existing bot locales and flow tooling. | Developers evaluating prosody-aware spoken interactions with configurable voices and optional supplemental LLMs. |
| Key capabilities | native speech-to-speech option; streaming; tools; AWS integration; contact-center routing | prosody-aware interaction; expressive output; realtime sessions; tools |
| Team sizes | mid-market; enterprise; developer; contact centers | startup; mid-market; enterprise; developer |
| Call surfaces | Amazon Connect; phone / PSTN; Amazon Bedrock streaming | WebSocket; web; mobile; telephony integrations |
| Voice stack | Configurable Connect pipeline with native Nova Sonic option | Native speech-to-speech with prosody-sensitive processing |
| Telephony | Amazon Connect telephony | Not publicly documented |
| Call controls | Not publicly documented | Not publicly documented |
| Languages | Not publicly documented | Not publicly documented |
| Integrations | Not publicly documented | Not publicly documented |
| Knowledge and data | Not publicly documented | Not publicly documented |
| Pricing model | Usage-based Amazon Connect Customer AI voice minutes plus standard telephony and other AWS service charges. | Monthly plans include EVI minutes; additional EVI 3 usage is billed per minute on Pro, Scale, and Business, while TTS uses separate character allowances and rates. |
| Pricing signal | Customer AI voice $0.038/min plus telephony and other AWS services. | EVI 3: Pro $70/month with 1,200 minutes and $0.06/min additional; Scale $200 with 5,000 and $0.05; Business $500 with 12,500 and $0.04. |
| Free plan or trial | Not publicly documented | Free plan includes 5 EVI minutes; confirm the selected EVI version and current terms. |
| What stands out | Nova Sonic is configured at the bot-locale speech-model level and paired with a compatible voice in a Set voice block; Connect still owns flow and intent orchestration. | EVI’s structured WebSocket messages expose both transcript and vocal-expression measures alongside generated text/audio; EVI versions differ in language coverage and supplemental-LLM requirements. |
| Considerations | Verify region, language, model access, carrier, recording, logging, retention, and every additional AWS charge. | Empathic positioning is not proof of accurate emotion inference. Test false interpretations, cultural variation, consent, sensitive uses, and escalation. |
Amazon Connect contact centers evaluating native speech-to-speech within existing bot locales and flow tooling.
Nova Sonic is configured at the bot-locale speech-model level and paired with a compatible voice in a Set voice block; Connect still owns flow and intent orchestration.
Developers evaluating prosody-aware spoken interactions with configurable voices and optional supplemental LLMs.
EVI’s structured WebSocket messages expose both transcript and vocal-expression measures alongside generated text/audio; EVI versions differ in language coverage and supplemental-LLM requirements.
Verify current pricing, limits, security, and required integrations directly with each provider before purchasing.
Test recognition, speech quality, interruptions, language switching, tool use, and human transfer with your own calls in the required language. Availability can vary by model, plan, and phone route.
DocsBot documents multilingual voice workflows and Japanese support. Verify the exact voice, phone path, and transfer behavior in your pilot. Review DocsBot language information ↗
Other providers’ language claims reflect cited vendor material; confirm Japanese and other required languages directly with each provider.
Listing does not imply endorsement or a performance guarantee. This directory is published by DocsBot. Editorial policy
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