{"id":"99838140-9863-4e80-9537-6d3582816e4b","name":"Langfuse","slug":"langfuse","description":"Open-source LLM observability platform. Token and cost tracking, prompt management, tracing, evaluation. Supports OpenAI, Anthropic, Google models. Self-hosted or cloud.","website_url":"https://langfuse.com","category":["ai","monitoring","observability"],"score":{"overall":75,"raw":86,"capped":true,"verified":false,"breakdown":{"latency":10,"consistency":8,"doc_quality":8,"error_clarity":8,"auth_simplicity":8,"token_efficiency":9,"first_try_success":8,"response_parseability":10},"source":"prowl_capped","credential_tested":false,"probe_health":{"status":"healthy","up_pct":1.0,"samples":26,"target":"website","p50_latency_ms":102,"last_probed":"2026-05-14T13:28:58.164364+00:00","lookback_hours":24}},"latency":null,"uptime_30d":null,"protocols":["rest"],"auth_type":null,"mcp_manifest_url":null,"openapi_spec_url":null,"verified":false,"claimed":false,"vendor_id":null,"status":"active","profile":null,"pricing":{"cloud_hosting":"varies_by_tier","freemium_model":true,"open_source_self_hosted":0.0},"last_crawled":"2026-05-11T16:45:19.228755+00:00","last_benchmarked":"2026-04-06T01:54:32.330713+00:00","supports_x402":false,"agent_auth_methods":null,"supports_streaming":false,"has_sandbox":false,"sdks":null,"llms_txt_url":"https://langfuse.com/llms.txt","similarity_score":null}