Sherlock Calls vs Creovai
Creovai analyzes human contact center conversations for performance insights. Sherlock Calls investigates AI voice agent failures across Twilio, ElevenLabs, and 13+ providers — in Slack, in under 5 seconds.
TL;DR — The short answer
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Creovai analyzes human contact center agent conversations — scoring calls, detecting topics, and surfacing coaching insights.
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Sherlock Calls investigates AI voice agent failures — Twilio, ElevenLabs, and Vapi correlated into a plain-English root cause delivered in Slack.
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Creovai is for contact center operations teams. Sherlock is for AI voice agent engineering and ops teams.
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
Creovai
Conversation analytics for contact centers (formerly Tethr)
Creovai (formerly Tethr) is a conversation analytics platform for contact centers. It provides call scoring, topic analysis, and agent performance tracking for human call center operations.
- Automated call scoring and topic detection across human agent conversations
- Agent performance tracking and coaching recommendations
- Rebranded from Tethr to Creovai with expanded AI analytics capabilities
- Integrates with major contact center and call recording platforms
Feature comparison — Contact Center
Sherlock Calls vs Creovai & peers
All tools in the Contact Center category — so you can compare both head-to-head and within the landscape.
| Feature | SherlockCalls | Creovaithis page | Balto | CallMiner | CloudTalk | Cresta | Cyara | 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+ | Call recording and CCaaS | Human CCaaS platforms | Human call recording platforms | Own VoIP platform (CloudTalk-native) | Human CCaaS platforms | IVR/contact center 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 Creovai to Sherlock
AI Agent Stack vs Human Call Recordings
Sherlock Calls
Sherlock connects directly to your Twilio, ElevenLabs, Vapi, and Retell accounts. No call recording infrastructure required.
Creovai
Creovai analyzes recordings from human contact center calls. It has no native connectors for AI voice agent platforms and no multi-provider API-level investigation.
Failure Forensics vs Performance Analytics
Sherlock Calls
Sherlock answers operational questions: 'Why did this specific call fail?' with a sourced multi-provider timeline and root cause.
Creovai
Creovai surfaces aggregate performance trends — call scoring trends, topic frequency, agent coaching opportunities — rather than diagnosing specific technical failures.
Slack-Native vs Platform Dashboard
Sherlock Calls
Investigation happens in Slack. No new platform login, no separate tool.
Creovai
Creovai delivers analytics through a dedicated web dashboard requiring platform navigation and login.
Which tool is right for you?
When to choose Sherlock vs Creovai
Choose Sherlock Calls if…
- Your team runs AI voice agents and needs real-time failure investigation
- You want cross-provider correlation from Slack without a new analytics platform
Consider Creovai if…
- Your contact center runs human agents needing call scoring and topic analytics
- You need aggregate performance trends and coaching recommendation workflows
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
Creovai
Enterprise (custom)
Creovai is enterprise-only with no published pricing or free tier.
* Pricing sourced from public information. Contact Creovai for current rates.
FAQ
Frequently asked questions
What is the difference between Sherlock Calls and Creovai?
Creovai analyzes human contact center call recordings for performance scoring and topic analytics. Sherlock Calls investigates AI voice agent failures across Twilio, ElevenLabs, and Vapi in real time, delivering root cause analysis in Slack.
Is Creovai the same as Tethr?
Yes. Creovai is the rebranded version of Tethr, a conversation analytics platform for contact centers. The core use case — analyzing human agent call recordings — remains the same.
Is Sherlock Calls a Creovai alternative?
For AI voice agent teams needing failure investigation, yes. For human contact center analytics, Creovai is purpose-built.
How do I migrate from Creovai to Sherlock Calls?
No migration needed. Sherlock and Creovai serve different use cases and can coexist if you run both human and AI-generated calls.
Does Sherlock Calls replace Creovai?
Not for human contact center analytics. Creovai is built for that. ⚠️ Phase 2 note: When Sherlock expands to human call QA, this comparison will be updated.
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