Compare 8 open source LLM observability tools you can self-host in 2026, including Langfuse, Opik, Phoenix, Helicone, LangWatch, Agenta, Laminar, and OpenLIT, on license, OTel, Docker, and cost.
Braintrust, Maxim AI, and Galileo compared on agent evals, CI gates, online scoring, self-hosting, and real costs, including what changed now that Galileo is Splunk Agent Observability.
The 10 best AI agent evaluation tools for 2026, compared on trajectory and tool-call scoring, online evals, CI gates, self-hosting, and price, with a same-workload cost table and a tested CI example.
The 8 best LangSmith alternatives for 2026, compared on self-hosting, licence, tracing, evals, and price, with a same-workload cost table and a step-by-step plan to migrate off LangSmith.
A production comparison of 12 AI agent frameworks, from LangGraph and Microsoft Agent Framework to Mastra, on durability, OpenTelemetry, MCP, licensing, and hosting.
A five-layer map of the 2026 AgentOps market, with 13 tools for instrumentation, observability, evals, gateways, and guardrails, plus pricing, licenses, and ownership changes.
We compared 12 AI agent observability tools on tracing, OpenTelemetry, evals, alerts, cost tracking, self-hosting, and pricing, with sourced prices as of October 2026 and a pick for every team type.