Semantic KernelFramework44/100
via “telemetry and observability with opentelemetry integration”
Microsoft's SDK for integrating LLMs into apps — plugins, planners, and memory in C#/Python/Java.
Unique: Implements native OpenTelemetry integration with semantic conventions specific to LLM operations (token counts, model names, function metadata), enabling end-to-end tracing of agent execution. Unlike LangChain's callback-based logging, SK's OTel integration is standards-based and compatible with enterprise observability platforms. Automatically collects telemetry without explicit instrumentation.
vs others: More standards-compliant than LangChain's custom logging, and more comprehensive than single-provider monitoring (e.g., Azure Monitor only), though with less mature cost tracking compared to specialized LLM cost management tools.