| What it does | The agent observability and evaluation platform.
| Production Stack for Gen AI Builders
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| Stage | Established
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| Based in | Not given
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| Pricing model | freemium
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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
| - AI Gateway with universal API access to 1,600+ LLMs
- Real-time observability dashboard for LLM monitoring
- Guardrails for enforcing output quality and constraints
- Prompt management with templates and versioning
- AI Governance with role-based access control
- Semantic and simple caching with unlimited TTL
- Automatic fallbacks and advanced routing rules
- Agent tracing and performance monitoring
- PII redaction for data privacy
- MCP Gateway for Model Context Protocol integration
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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
| - Unified API access to 1,600+ LLMs with 3-line integration
- Intelligent caching that saves thousands on repeated requests
- Real-time observability and cost monitoring dashboard
- End-to-end LLM orchestration for agents and complex workflows
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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 | 74 ● no change since last check |
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| Trust Flow (Majestic) | 34 | 27 |
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| Citation Flow (Majestic) | 54 | 47 |
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| Referring domains (Majestic) | 5527 | 3006 |
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