Hume AI EVI
Conversational voice platform focused on expressive speech, realtime interaction, and prosody-aware responses.
- Pricing at a glance
- EVI $0.04-$0.07/min depending on plan; external services may add cost
- Starting price
- From $0.04/min
- Setup
- Developer build
- Pricing model
- Usage Based
- Try it
- Public web demo
Use the microphone demo to explore conversational delivery.
The demo does not validate emotion inferences or your phone workflow.
At a glance
Product
- DetailLanguages
11 languages (EVI 4-mini)
- SupportedFree to start
Free plan
Free tier with $20 starting credits
- SupportedDeveloper API
Yes
Trust
- With conditionsHIPAA
Enterprise plans
BAA on request via legal@hume.ai; HIPAA listed on Business/Enterprise plans
- SupportedSOC 2
Type II
Listed for Business/Enterprise plans (pricing page snippet)
- SupportedGDPR
Yes
DPA available on request
Morak scorecard
How we score →- Ease of setupDeveloper build
Expect developers to build call logic, integrations and deployment.
- Pricing transparencyRates published
Per-minute rates are public, so you can estimate cost at your volume.
- Try before you buyFree plan
An ongoing free plan lets you test with real calls or content.
- Compliance readinessStrong
Published: SOC 2 Type II, GDPR and HIPAA on enterprise plans.
- Integration coverage1 of 3 covered
Connects to automation or API. Not listed: your devices and workspace tools.
Typical score among voice agent platforms
Explore expressive conversation in an interactive app
What you get
Use an expressive voice interface where delivery and conversational interaction matter.
What to account for
Emotion-related outputs are not diagnostic conclusions. Phone routing and business workflows still need implementation.
Best for
- Expressive voice experiences
- Developer teams
- Interactive applications
- Custom web and mobile agents
Not a fit for
- Turnkey phone reception
- High-stakes emotion inference
- Teams needing bundled PSTN and CRM operations
What the platform provides
- Interaction capabilities
- Expressive speech-to-speech conversation, interruption handling, tools and custom language models.
- Application interfaces
- Web and app SDKs support embedded experiences. Expression signals need validation and do not reliably establish a caller's emotions.
Connections & compatibility
AI models & voice
- LiveKit
- External LLMs
Automation & APIs
- Web SDK
- API
- Custom tools
Other
- React
Data access & permissions
What an agent built on Hume AI EVI can touch once deployed. These are the first questions a security review will ask.
- Reads customer dataYes
- Writes to your systemsYes
- Sends messagesYes
- Triggers workflowsYes
- Records callsNo
- Needs API keysYes
- Human approval stepYes
Avoid treating inferred expression as a diagnosis or ground truth. Obtain microphone and recording consent, disclose AI interaction, scope API keys and tools, and review voice-cloning rights and retention.
Cost at your volume
Hume's pricing page lists EVI included minutes by plan at $0.07/min (Starter, Creator), $0.06/min (Pro), $0.05/min (Scale), and $0.04/min (Business), with a free tier of 5 minutes and custom Enterprise pricing. Overage runs $0.04-$0.06/min by plan. External LLMs, telephony, and other services may be additional.
Before committing
Use your target accents and languages, including interruptions. Check how wrong or culturally biased prosody interpretations could affect the experience.
How it compares
Side by side with two alternatives buyers weigh against it, on the same facts and scorecard.
| Detail | Hume AI EVI This productConversational voice platform focused on expressive speech, realtime interaction, and prosody-aware responses. | A different approach ElevenLabs' platform for building voice and chat agents (formerly Conversational AI), useful for teams prioritizing voice quality. Why compare: Explore ElevenLabs when voice production and a conversational-agent builder matter more than an expressive interface. | Similar product Managed platform for building and deploying low-latency voice agents with custom reasoning and Cartesia speech models. |
|---|---|---|---|
| Starting price | From $0.04/min | From $6/mo | Quote-based |
| Free to start | Free plan | Free plan | Free plan |
| Calls | Not a phone product | Inbound & outbound | Inbound & outbound |
| HIPAA | Enterprise plans | Enterprise plans | Enterprise plans |
| Morak scorecard How we score | |||
| Ease of setup | 2 of 5, Developer build | 2 of 5, Developer build | 2 of 5, Developer build |
| Pricing transparency | 5 of 5, Rates published | 4 of 5, Starting price | 1 of 5, Quote only |
| Try before you buy | 5 of 5, Free plan | 5 of 5, Free plan | 5 of 5, Free plan |
| Compliance readiness | 5 of 5, Strong | 5 of 5, Strong | 5 of 5, Strong |
| Integration coverage | 2 of 5, 1 of 3 covered | 3 of 5, 2 of 4 covered | 2 of 5, 1 of 4 covered |
| Call & telephony control | — | 4 of 5, Broad | 5 of 5, Full control |