Datadog LLM Observability Alternatives
LLM tracing, evaluation, and prompt monitoring built into the Datadog APM platform
Datadog LLM Observability extends the Datadog APM platform with auto-instrumented LLM tracing, hallucination detection, and prompt injection scanning.
Explore 33 alternatives to Datadog LLM Observability across 1 category. Updated September 2026.
Top Datadog LLM Observability alternatives at a glance
- Langfuse. Traces, evals, prompt management and metrics to debug and improve your LLM application.
- Comet Opik. Comet provides an end-to-end model evaluation platform for AI developers.
- Weights & Biases. ML experiment tracking, LLM observability, and evaluation platform for AI teams
- Arize AI. AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications
- Traceloop. Open-source LLM observability built on OpenTelemetry, with automatic instrumentation for major providers and frameworks
Compare Datadog LLM Observability with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| Datadog LLM Observability | — | ✓ | — | — | 🇺🇸 United States |
| 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 |
| LangWatch | Freemium | ✓ | ✓ MIT | Cloud + Self-hosted | 🇳🇱 Netherlands |
| 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 |
📊 Observability & Analytics
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Laminar
Open-source agent observability with traces, failure detection and evals
Dunetrace
Runtime reliability and failure detection for AI agents
Braintrust
Stop building AI in the dark.
Browse all 55 Observability & Analytics products
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