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LangWatch Alternatives

LLM observability platform with quality monitoring, guardrails, and evaluation workflows

LangWatch is an LLM observability platform focused on quality monitoring and guardrails for AI applications.

Explore 46 alternatives to LangWatch across 1 category. Updated September 2026.

Top LangWatch alternatives at a glance

  1. Langfuse. Traces, evals, prompt management and metrics to debug and improve your LLM application.
  2. Comet Opik. Comet provides an end-to-end model evaluation platform for AI developers.
  3. Weights & Biases. ML experiment tracking, LLM observability, and evaluation platform for AI teams
  4. Arize AI. AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications
  5. Traceloop. Open-source LLM observability built on OpenTelemetry, with automatic instrumentation for major providers and frameworks

Compare LangWatch with its alternatives

Product Pricing Model Free Tier Open Source Hosting HQ
LangWatch Freemium ✓ ✓ MIT Cloud + Self-hosted 🇳🇱 Netherlands
Langfuse Freemium ✓ ✓ MIT Cloud + Self-hosted 🇩🇪 Germany
Comet Opik Freemium ✓ ✓ APACHE2 Cloud + Self-hosted 🇺🇸 United States
Weights & Biases Freemium ✓ — Cloud + Self-hosted 🇺🇸 United States
Arize AI Freemium ✓ ✓ ELASTIC-2.0 Cloud + Self-hosted 🇺🇸 United States
Traceloop Freemium ✓ ✓ Cloud + Self-hosted 🇺🇸 United States
Helicone Freemium ✓ ✓ APACHE2 Cloud + Self-hosted 🇺🇸 United States
Agenta Freemium ✓ ✓ MIT Cloud + Self-hosted 🇩🇪 Germany
Log10 — ✓ — — 🇺🇸 United States
Weckr Freemium ✓ ✓ MIT Cloud 🇸🇪 Sweden
Laminar Freemium ✓ ✓ Cloud + Self-hosted —
LangSmith Freemium ✓ — Cloud + Self-hosted 🇺🇸 United States
Sentrial Freemium ✓ — Cloud 🇺🇸 United States
Telemetry Freemium ✓ — Cloud 🇺🇸 United States
The Context Company Freemium ✓ — Cloud 🇺🇸 United States
Dunetrace — ✓ ✓ Self-hosted 🇩🇪 Germany

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