Self-Hosted
$0
Perpetual
- Open-source
- Basic observability
- Self-managed
- Community support
Portkey — Observability, Prompts & Evals Platform
Founded 2023|San Francisco, California|11-50 people
What is Portkey?
Portkey Observability is the monitoring and analytics component of the Portkey AI platform, providing comprehensive visibility into LLM applications. The platform tracks requests, costs, latency, errors, and user behavior across all LLM providers. Portkey Observability integrates seamlessly with the Portkey AI Gateway, offering unified monitoring for multi-provider AI applications. The platform provides real-time dashboards, alerting, and detailed trace analysis to help teams optimize AI performance and costs. Portkey processes over 10 billion requests monthly with sub-40ms overhead, providing enterprise-grade observability for production AI systems.
Strengths and tradeoffs
What this tool does well, and the limitations to keep in mind.
Pros
- Enterprise-scale monitoring (10B requests/month)
- Sub-40ms overhead
- Comprehensive analytics and tracing
- Strong security certifications
Cons
- Professional tier expensive (USD 2-5k/mo)
- Open-source has limited features
- Complex for small teams
Plans & pricing
What's included in each plan, and how the tiers compare.
Professional
$2,000-5,000
Per month
- Managed service
- Advanced analytics
- Standard support
- Team features
Enterprise
$10,000+
Per month
- Custom limits
- SOC2, ISO27001
- Priority support
- Private deployment
- SLA guarantees
Using Portkey with Respan
Integrate Portkey Observability with Respan to monitor AI applications across all providers. Track costs, latency, and errors in real-time. Combine Portkey's enterprise-grade monitoring with Respan's multi-provider orchestration for complete visibility.
- Monitor 10B+ requests monthly with 99.9999% uptime
- Track costs and usage across all LLM providers
- Real-time alerts and dashboards
- Detailed trace analysis for debugging
Best Portkey alternatives & competitors
Top companies in Observability, Prompts & Evals you can use instead of Portkey.
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Arize AI
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Traceloop
OpenTelemetry
Datadog LLM
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Helicone
Braintrust
Real-time LLM logging and tracing
HoneyHive
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Patronus AI
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Phoenix
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Promptfoo
Humanloop
Sentry
Ragas
RAG-specific evaluation framework
DeepEval
LangWatch
Multi-turn agent simulation testing
Galileo AI
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PromptLayer
Maxim AI
Distributed tracing for LLM and agent apps
Confident AI
DeepEval open-source evaluation framework
Opik
Agenta
Future AGI
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Lunary
Parea AI
Moda
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Ashr
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Sentrial
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Athina AI
Chamber
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Compare Portkey
Side-by-side comparisons with other tools in this category.
Best integrations for Portkey
Companies from adjacent layers in the AI stack that work well with Portkey.
Last verified: March 10, 2026