Traceloop
Free tierLLM reliability platform that turns evals and monitors into a continuous feedback loop
Free tier available·Technical·Powered by Agnostic (OpenAI, Anthropic, Gemini, Bedrock, Ollama, and 20+ others)·API available·Open source
Key strengths
One-line instrumentation for instant LLM observabilityBuilt on OpenTelemetry with open-source OpenLLMetry SDKSupports 20+ LLM providers, vector DBs, and AI frameworksCustom evaluator training on real annotated examplesEnterprise-ready: SOC 2 & HIPAA compliant, on-prem/air-gapped deployment
Free tier + paid plans
Self-hostable
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- LLM tracing and observability — Instrument all LLM calls (prompts, completions, tokens, latency) via OpenTelemetry with a single SDK initialization line.
- Automated CI/CD evaluations — Integrate quality checks (faithfulness, relevance, safety) into pull request pipelines with configurable pass/fail thresholds.
- Custom evaluator training — Annotate real production traces and fine-tune a task-specific evaluator model aligned to your domain's quality definition.
- Multi-provider and multi-framework support — Observe LLM calls across 20+ providers and frameworks (LangChain, LlamaIndex, CrewAI) without code changes per provider.
- Production monitoring and drift detection — Run continuous real-time evaluations on live traffic to detect model drift, prompt regressions, or safety violations.
- Air-gapped enterprise deployment — Deploy the full Traceloop stack on-premises or in isolated environments for SOC 2 / HIPAA-regulated workloads.