{"slug":"langfuse-cloud","name":"Langfuse Cloud","owner":null,"repo":null,"category":"observability-eval","lang":"","blurb":"Open-source-core LLM observability with tracing, evals, prompt management and playground, offered as a managed cloud.","use_cases":"[]","alternatives":[],"stars":0,"pushed_at":null,"synced_at":null,"kind":"api","one_liner":"Open-source-core LLM observability with tracing, evals, prompt management and playground, offered as a managed cloud.","website":"https://langfuse.com","docs_url":"https://langfuse.com/docs","signup_url":"https://cloud.langfuse.com","pricing_model":"freemium","pricing_note":"Cloud: Hobby $0, Core $29/mo, Pro $199/mo, Enterprise $2,499/mo; usage overage ~$8 / 100k units. Core product is MIT open-source (self-host free).","auth_type":"api-key","agent_signup":"self-serve-instant-key","agent_signup_note":"Cloud Hobby tier free with no credit card; project keys (pk-lf-.../sk-lf-...) are created instantly in the UI. Programmatic org/project/key provisioning (Instance-Management/Admin API) exists ONLY on self-hosted Enterprise, not on Cloud.","mcp_server":"https://langfuse.com/docs/api-and-data-platform/features/mcp-server","sdks":["Python","TypeScript","OpenTelemetry","REST"],"code_sample":"{\"lang\":\"python\",\"code\":\"# env: LANGFUSE_PUBLIC_KEY=pk-lf-..., LANGFUSE_SECRET_KEY=sk-lf-..., LANGFUSE_HOST=https://cloud.langfuse.com\\n# drop-in OpenAI wrapper auto-traces every call\\nfrom langfuse.openai import openai\\n\\nresp = openai.chat.completions.create(\\n    model=\\\"gpt-4o\\\",\\n    messages=[{\\\"role\\\": \\\"user\\\", \\\"content\\\": \\\"Trace this call\\\"}],\\n)\\nprint(resp.choices[0].message.content)\"}","tags":["tracing","evals","prompt-management","open-source","opentelemetry","mcp"],"useCases":[],"codeSample":{"lang":"python","code":"# env: LANGFUSE_PUBLIC_KEY=pk-lf-..., LANGFUSE_SECRET_KEY=sk-lf-..., LANGFUSE_HOST=https://cloud.langfuse.com\n# drop-in OpenAI wrapper auto-traces every call\nfrom langfuse.openai import openai\n\nresp = openai.chat.completions.create(\n    model=\"gpt-4o\",\n    messages=[{\"role\": \"user\", \"content\": \"Trace this call\"}],\n)\nprint(resp.choices[0].message.content)"},"oneLiner":"Open-source-core LLM observability with tracing, evals, prompt management and playground, offered as a managed cloud.","docsUrl":"https://langfuse.com/docs","signupUrl":"https://cloud.langfuse.com","pricingModel":"freemium","pricingNote":"Cloud: Hobby $0, Core $29/mo, Pro $199/mo, Enterprise $2,499/mo; usage overage ~$8 / 100k units. Core product is MIT open-source (self-host free).","authType":"api-key","agentSignup":"self-serve-instant-key","agentSignupNote":"Cloud Hobby tier free with no credit card; project keys (pk-lf-.../sk-lf-...) are created instantly in the UI. Programmatic org/project/key provisioning (Instance-Management/Admin API) exists ONLY on self-hosted Enterprise, not on Cloud.","mcpServer":"https://langfuse.com/docs/api-and-data-platform/features/mcp-server"}