| What it does | The agent observability and evaluation platform.
| AI Voice Agent Platform for Phone Call Automation
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| Stage | Established
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| Founded | Not given
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| Based in | Not given
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| Pricing model | freemium
| usage-based
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| Pricing | Not given
| $0.07-$0.31 per minute for voice agents, $0.002+ per message for chat agents, with $10 free credits at signup and no annual contract.
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| Key features | - Trace observability with OpenTelemetry compliance
- Comprehensive evaluation framework for span, trace, and session evals
- Alyx AI engineering agent for debugging and fixing issues
- Agent-first debugging for coding agents
- ADB datastore for GenAI traces in open formats
- Phoenix open-source platform for local-first tracing and evaluation
- Online evaluations on production traces
- Integration with 40+ models, frameworks, and AI tools
- Built on OpenInference and OpenTelemetry standards
- Certified security and compliance including SOC 2, ISO, PCI, GDPR, HIPAA
| - Call transfer between human and AI
- Book appointments and check availability
- Knowledge base integration
- Navigate IVR and handle keypad menus
- Batch call campaigns and outbound dialing
- Post-call analysis and transcripts
- AI quality assurance monitoring
- Drag-and-drop call flow builder
- Simulation testing and regression testing
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| What makes it different | - Built by founders of OpenInference, the leading open standard for GenAI observability
- Signal surfaces what matters, uncovers root causes, and generates review-ready fixes automatically
- Processes 1 trillion spans and runs 1 billion evals per year at scale
- Flexible deployment with data staying under customer control
- Open-source-first approach with local-first option via Phoenix
| - 95.7% workflow accuracy benchmarked ahead of 6 platforms
- ~600ms latency with industry-leading responsiveness
- Proprietary turn-taking model that knows when to stop and listen
- Full platform access with no feature gating from day one
- Production-ready no-code agent builder your team can operate
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 78 ● no change since last check | 77 ● no change since last check |
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| Trust Flow (Majestic) | 34 | 31 |
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| Citation Flow (Majestic) | 54 | 52 |
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| Referring domains (Majestic) | 5527 | 3856 |
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