Key features
Core capabilities each platform advertises.
- Agent failure root cause analysis
- Tool selection monitoring
- Cost budget tracking
- Production agent observability
- Real-time alerting
- OpenTelemetry
- OpenLLMetry
- Vendor-neutral
- OTel integration
Updated March 27, 2026
Datadog for agent reliability — monitors AI agents in production, surfacing root causes when agents fail, pick wrong tools, or exceed cost budgets.
The OpenTelemetry standard for AI. Pipes LLM telemetry into Datadog, Splunk, or any OTel backend.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
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Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.
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