| What it does | The agent observability and evaluation platform.
| The open-source workspace for your agents
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| Stage | Established
| Growing
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| Founded | Not given
| 2020
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| Based in | Not given
| DE
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| Pricing model | freemium
| freemium
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| Pricing | Not given
| Hobby plan free forever with 5,000 agent runs/month for 2 team members. Pro at $29/month includes unlimited users and 10,000 runs/month plus $5 per additional 10,000. Business at $299/month adds governance and compliance. Enterprise custom pricing. Self-hosted open-source edition free forever.
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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
| - Build agents through chat
- Scheduled and event-triggered automation
- 1,000+ integrations
- Browser and file workspace
- Tracing and observability
- Evaluations and LLM-as-a-judge
- Permissions and approvals system
- MCP servers and skills
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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
| - Open-source and self-hostable with no lock-in
- Works in Slack and Telegram for team communication
- Bring your own AI model from any provider
- Unlimited users and agents on all paid plans
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| 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 | 51 ● no change since last check |
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| Trust Flow (Majestic) | 34 | 25 |
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| Citation Flow (Majestic) | 54 | 43 |
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| Referring domains (Majestic) | 5527 | 3069 |
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