Last updated 06-28-2026
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Traceloop
Traceloop is an LLM reliability platform that connects evaluations and production monitoring into one feedback loop. Engineering teams use it to track prompt quality, response latency, and model drift so each release gets measurably better. It targets teams shipping LLM features to production who are tired of guessing from spreadsheets and Slack threads.
The stack is built on OpenTelemetry and ships with OpenLLMetry, an open-source SDK with more than 7,000 GitHub stars. Instrument apps in Python, TypeScript, Go, or Ruby, or route calls through Traceloop Hub as a gateway proxy. Built-in evaluators cover faithfulness, relevance, and safety, and you can train custom scorers from annotated production examples.
Traceloop announced it is joining ServiceNow, reflecting its focus on enterprise-grade LLM operations. The platform supports SOC 2 and HIPAA compliance, on-prem and air-gapped deployment, and integrations with 20+ LLM providers plus frameworks like LangChain and LlamaIndex. Customers shown on the site include IBM, Miro, and Target.
One line of code gets live traces for prompts, responses, and latency
Built-in evaluators for faithfulness, relevance, and safety on real traffic
Train custom evaluators from annotated production examples
Quality gates in CI/CD and live monitors with automatic thresholds
OpenLLMetry SDK plus Hub gateway for Python, TypeScript, Go, and Ruby
Supports 20+ LLM providers and vector DBs like Pinecone and Chroma
Free tier includes 50K spans per month with full dashboard access.
Open-source OpenLLMetry SDK connects to 25+ observability platforms without lock-in.
On-prem, cloud, and air-gapped deployment options for regulated teams.
Integrates with LangChain, LlamaIndex, CrewAI, and 20+ LLM providers.
Free tier limits data retention to 24 hours.
Production workloads above 50K spans require an enterprise sales conversation.
Paid pricing is not listed publicly on the website.
Does Traceloop have a free plan?
Yes. Traceloop offers a Free Forever plan at $0 per month with up to 50,000 spans per month, up to 5 seats, and 24-hour data retention. The free tier includes monitoring and evaluation dashboards, CI/CD integration, and prompt management.
What is a span in Traceloop?
In Traceloop, a span is a traced event in your LLM application. Every call to an LLM provider and every call to a vector database counts as one span toward your monthly usage limit.
Can I deploy Traceloop on-premise?
Yes. Traceloop supports on-premise deployment on AWS, GCP, Azure, and Kubernetes, including air-gapped environments. Enterprise plans include a dedicated on-prem deployment option and SOC 2 compliance.
Is OpenLLMetry free to use?
Yes. OpenLLMetry is Apache-2.0 licensed and free to use. You can connect it to more than 25 supported observability platforms, including Traceloop.
What languages does Traceloop support?
Traceloop supports Python, TypeScript, Go, and Ruby through the OpenLLMetry SDK. You can also use Traceloop Hub as an OpenTelemetry-based gateway proxy for LLM calls.
What LLM providers does Traceloop support?
Traceloop supports more than 20 LLM providers including OpenAI, Anthropic, Gemini, Bedrock, and Ollama. It also integrates with vector databases like Pinecone and Chroma and frameworks like LangChain, LlamaIndex, and CrewAI.