
Langfuse
8.2#1 in prompting toolFrom $29 a monthFree planWebAPILinuxSelf-hosted
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| Fact | Langfuse | Portkey |
|---|---|---|
| Headquarters | Berlin, Germany; San Francisco, United States | San Francisco, California |
| Integrations | Langfuse lists more than 100 integrations spanning OpenTelemetry, Python and TypeScript, model providers, agent frameworks, gateways, and developer tools. | The integrations catalog lists providers and platforms including OpenAI, Anthropic, Google Gemini, Azure, Amazon Bedrock, and Ollama. |
| Observability | Hierarchical traces capture LLM calls, tool invocations, and retrieval steps, with filtering by user, session, cost, latency, and metadata. | Portkey offers logs, traces, feedback, metadata, filters, and alerts for AI activity. |
| Product | Langfuse is an open-source AI engineering platform that helps teams collaboratively debug, analyze, and iterate on AI agent applications. | Portkey describes itself as a production platform for managing, observing, and governing GenAI across teams. |
| Prompt management | Prompt Management provides versioning, one-click deployments, rollbacks, prompt labels, and per-version performance metrics. | Prompt management includes templates, a playground, API endpoints, versioning, and variables. |
| Security | Langfuse reports annual SOC 2 Type II and ISO 27001 audits, external penetration tests, encryption, access controls, GDPR compliance, and a HIPAA-ready region. | Security features include virtual provider keys, access controls, inbound IP and geographic rules, and sensitive-data redaction. |
Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools. It also supports teams that want to self-host the core on their own infrastructure.
Portkey suits teams managing generative AI applications across models or providers that need routing, observability, prompt management, or governance controls. It also offers self-hosted and local deployment options.