Lead Qualification
Instantly screen inbound contacts, confirm match criteria, and log results.
00:00
A monday.com company
Harmony.ai is a managed voice AI platform for teams handling 500+ calls a month. White-glove implementation, live in days, every call transcribed and scored. Our own models, built for the phone.
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Harmony.ai vs Callers.ai
 |  | |
|---|---|---|
| Platform | ||
| Built for | Revenue teams: AI receptionist, AI SDR, scheduling | Omnichannel AI agents for customer communication, voice and messaging |
| Model | Our own models, built for the phone | Not published |
| Sounds human | Our own conversation models handle interruptions, timing and tone, so calls feel human | HD voices from third-party providers, model-agnostic LLM, sub-300ms claimed |
| Implementation | White-glove | White-glove onboarding with a dedicated CSM |
| Calling & scale | ||
| Latency | Sub-400ms median response | Under 300ms (self-reported) |
| Concurrency | 1 to 10,000 parallel calls | Not published |
| Telephony | Built-in telephony or bring your own trunks; buy, assign and retire numbers across regions from one inventory; port or forward | Plugs into your existing telephony and CCaaS; number provisioning not published |
| Spam remediation | Number-reputation monitoring, automatic quarantine of flagged numbers, remediation, branded caller ID and local presence | Built-in spam-flag detection (published); number rotation prohibited under their terms |
| IVR, screeners and gatekeepers | Navigates external phone trees, hold queues and human gatekeepers to reach the right party; DTMF both ways; voicemail detection and retry | Sells an AI IVR for inbound; outbound IVR navigation and gatekeeper handling not documented |
| Insight & improvement | ||
| Reporting | Funnel, call-flow and conversation analytics on 100% of calls; ask for a report in plain language and get it built on the spot | Step-level funnel analytics, sentiment, call reasons and drop-off points |
| Self-improvement | Reasoning trace on every call, simulate changes on past calls, agent proposes knowledge-base updates you approve | Your CSM optimises the campaign weekly from call analytics; reporting flags problems and suggests fixes |
| Experimentation | A/B live or synthetic traffic, publish the winner, roll back; agent keeps what converts across a campaign | Continuous A/B tests run by your CSM, not self-serve |
| Pricing & compliance | ||
| Pricing | Plans start at $3K/month | Custom, usage-based per minute; no public pricing |
| Compliance | SOC 2 Type II, HIPAA, GDPR, ISO 27001 | SOC 2, HIPAA, GDPR, CCPA, PCI DSS |
Callers.ai figures from callers.ai (site and blog), checked 9 Sep 2026. Callers.ai is a trademark of its owner. Harmony.ai is not affiliated with Callers.ai.
Hear it on your own use case.
Four quick questions, then we’ll configure an agent on your use case and let you listen before you commit to anything.
Built for revenue, not a toolkit
Inbound and outbound on one platform. The agent dials, qualifies, and books meetings in your CRM.
Implementation is included
White-glove setup, live in days. No engineering project to stand up telephony, models, and workflows.
Every call becomes data
Every call transcribed and scored. Warm transfers with context, PII redaction, TCPA and DNC aware.
Scale without a quota request
1 to 10,000 parallel calls. Sub-400ms median response at any volume.
Meet Siena, your AI assistant
Enterprise-grade security
Enterprise-grade AI infrastructure with built-in protection and security, data privacy, governance, permissions, and compliance.
