Sherlock Calls vs Cyara
Cyara tests IVR and contact center call flows with synthetic testing. Sherlock Calls investigates real AI voice agent failures across Twilio, ElevenLabs, and 13+ providers — in Slack, in under 5 seconds.
TL;DR — The short answer
- 1
Cyara is built for proactive testing — validating IVR and contact center call flows with synthetic test cases before and during production.
- 2
Sherlock Calls investigates real production failures — answering why a specific AI voice agent call failed across your Twilio, ElevenLabs, and Vapi stack, delivered in Slack.
- 3
Cyara prevents failures through synthetic testing. Sherlock diagnoses failures that happened in production. They address adjacent problems in the voice operations lifecycle.
Understanding both tools
Sherlock Calls
AI-powered voice call investigation
Sherlock Calls is a Slack-native AI investigator for operations teams. Connect your existing providers — Twilio, ElevenLabs, Vapi, Genesys, and 20+ more — and ask questions in plain English. Sherlock autonomously gathers data across all connected services, correlates events, and delivers a sourced answer in under 5 seconds. No new dashboards. No SDK. No code changes.
- Works inside Slack — no new UI to learn
- Connects to 20+ providers in minutes
- Investigates calls autonomously with AI
- Free tier — 100 credits per workspace
Cyara
CX testing and monitoring for contact center and conversational AI
Cyara is a CX testing and monitoring platform for IVR, conversational AI, and contact center systems. It uses synthetic testing to validate call flows and monitor voice quality in regulated industries.
- Synthetic testing of IVR and conversational AI call flows before and after deployments
- Voice quality monitoring and compliance validation for regulated industries
- 41 G2 reviews — established presence in financial services and insurance
- Continuous monitoring of contact center infrastructure for performance regressions
Feature comparison — Contact Center
Sherlock Calls vs Cyara & peers
All tools in the Contact Center category — so you can compare both head-to-head and within the landscape.
| Feature | SherlockCalls | Cyarathis page | Balto | CallMiner | CloudTalk | Creovai | Cresta | EvaluAgent | Freshdesk | Kaizo | Level AI | MaestroQA | NICE CXone | Playvox | Scorebuddy | Sprinklr | SquareTalk | SupportLogic | Uniphore | Verint | Voxjar | Zendesk QA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AI call investigation | ||||||||||||||||||||||
| AI agent & LLM tracing | ||||||||||||||||||||||
| AI governance & compliance | ||||||||||||||||||||||
| Offline LLM evaluation | ||||||||||||||||||||||
| Provider integrations | 20+ | IVR/contact center platforms | Human CCaaS platforms | Human call recording platforms | Own VoIP platform (CloudTalk-native) | Call recording and CCaaS | Human CCaaS platforms | UK/EU contact center platforms | Helpdesk and support channels | Zendesk and Salesforce | CCaaS and call recording | CCaaS and helpdesk platforms | Enterprise telephony (own CCaaS) | CCaaS and helpdesk platforms | Call recording and CCaaS platforms | Enterprise social and service channels | Own CCaaS platform (SquareTalk-native) | Salesforce, Zendesk, support platforms | Enterprise CCaaS platforms | Enterprise telephony and CCaaS | Call recording platforms | Zendesk-native only |
| Cross-provider correlation | ||||||||||||||||||||||
| Natural language queries | ||||||||||||||||||||||
| Zero-code setup | ||||||||||||||||||||||
| Per-call cost tracking | ||||||||||||||||||||||
| Free tier available |
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Key differences
Why teams switch from Cyara to Sherlock
Real Production Investigation vs Synthetic Testing
Sherlock Calls
Sherlock investigates calls that already happened in production — pulling real transcripts, real latency data, and real telephony events from your existing providers to explain a specific failure.
Cyara
Cyara deploys synthetic test personas to probe call flows proactively. This is valuable for regression testing, but it does not explain why a specific real customer call failed during production hours.
AI Voice Agent Stack vs IVR Infrastructure
Sherlock Calls
Sherlock natively connects to Twilio, ElevenLabs, Vapi, Retell, and 11+ more AI voice providers — the modern stack that AI voice agent teams actually use.
Cyara
Cyara is purpose-built for traditional IVR and contact center infrastructure in regulated industries. Its synthetic testing framework is designed for legacy call center systems, not the API-driven AI voice agent stack.
2-Minute Self-Serve vs Enterprise Contract
Sherlock Calls
Connect Sherlock via API key in under 2 minutes. Free tier available with no credit card. No professional services required.
Cyara
Cyara targets enterprise customers in financial services, insurance, and healthcare. Deployments involve enterprise sales cycles and professional services for test script configuration.
Which tool is right for you?
When to choose Sherlock vs Cyara
Choose Sherlock Calls if…
- Your team runs AI voice agents and needs to investigate specific production call failures
- You want cross-provider correlation across Twilio, ElevenLabs, and Vapi in one query
- You need self-serve pricing without enterprise contracts
- Your debugging workflow lives in Slack
Consider Cyara if…
- You need synthetic testing of IVR flows for regulatory compliance in financial services or insurance
- Your contact center requires pre-deployment validation of call flow changes
- You have traditional IVR infrastructure that needs continuous synthetic monitoring
Pricing
Cost comparison
Sherlock Calls
Free to start
100 credits per Slack workspace. Team plans from $50/month. No credit card required to start.
- Free tier — 100 credits/workspace
- Team: $50–$5,000/month (usage-based)
- Enterprise: custom pricing
- No sales call required to start
- Cancel anytime
Cyara
Enterprise (custom, no published pricing)
Cyara pricing is enterprise-only. No free tier or self-serve option. Targets regulated industries with compliance-driven procurement.
* Pricing sourced from public information. Contact Cyara for current rates.
FAQ
Frequently asked questions
What is the difference between Sherlock Calls and Cyara?
Cyara tests contact center IVR flows using synthetic test cases to catch issues before customers do. Sherlock Calls investigates real production AI voice agent failures — pulling data from Twilio, ElevenLabs, and Vapi to explain why a specific call failed. One is proactive testing; the other is reactive investigation.
Can Cyara investigate AI voice agent call failures?
Cyara is designed for traditional IVR and contact center infrastructure. It does not have native integrations with AI voice platforms like ElevenLabs, Vapi, or Retell. Sherlock natively connects to all of these via API key.
Is Sherlock Calls a Cyara alternative?
For AI voice agent teams doing production call investigation, yes. For IVR synthetic testing and compliance validation in regulated industries, Cyara is purpose-built for that use case and Sherlock is not.
How do I migrate from Cyara to Sherlock Calls?
No migration needed. Sherlock and Cyara serve complementary use cases. Cyara handles pre-deployment IVR validation; Sherlock handles post-deployment AI voice agent failure investigation.
Does Sherlock Calls replace Cyara?
Not for IVR synthetic testing. Cyara is the right choice for enterprise contact centers that need proactive compliance validation. Sherlock is the right choice for AI voice agent teams investigating production call failures. ⚠️ Phase 2 note: When Sherlock expands to contact center monitoring and testing workflows, this comparison will be updated.
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