LLM OBSERVABILITY
3 items
3 posts
Blog
Who Bought Your LLM Observability Tool? The 2025-2026 Consolidation, and How to Stay PortableLangfuse is part of ClickHouse, Promptfoo is part of OpenAI, Galileo is part of Cisco, Traceloop is joining ServiceNow, Helicone joined Mintlify and Humanloop shut down. Who owns what in October 2026, the dates the vendors state, and a portability checklist built on OTLP ingest, licenses and self-hosting.
Blog
Claude API OpenTelemetry Tracing: How to Set It Up (Beta)The Claude API exports OpenTelemetry traces in beta. Set up SDK spans in TypeScript or Python, add a Console destination for API spans, and count tokens once.
Blog
Langfuse vs Braintrust vs Helicone: Agent Tracing Tools in 2026Langfuse vs Braintrust vs Helicone, plus LangSmith and Arize Phoenix: 2026 pricing tiers, self-host options, agent-trace features, and OpenTelemetry support.
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