langfuse/langfuse

Features

• LLM Observability - Monitors and debugs language model applications by tracking prompts, completions, latency, and token usage.
• AI Observability and Evaluation - Provides systematic experiments and automated scoring against datasets to validate model performance and output quality.
• Prompt Registries - Decouples prompt logic from application code by serving versioned templates through a managed interface for dynamic retrieval.
• Automated Trace Evaluation - Executes automated scoring and custom logic against captured traces to validate output quality against defined performance benchmarks.
• Observability Instrumentation - Captures hierarchical units of work and execution flows from model operations to visualize performance and cost across distributed components.
• Prompt Management Workflows - Centrally manages, versions, and tests prompt templates to ensure consistent model behavior across environments.
• Prompt Playgrounds - Provides an interactive environment to refine prompts and model parameters before deploying them to production applications.
• Distributed Tracing Instrumentation - Captures nested execution flows by linking parent-child relationships across distributed components to visualize complex application lifecycles.
• Trace-to-Dataset Converters - Converts production traces into test items to build evaluation sets based on real-world application performance.
• Experiment Tracking - Enables the execution of versioned experiments to evaluate historical data snapshots and track performance changes over time.
• AI Evaluation Frameworks - Provides a system for running systematic experiments, benchmarking model outputs, and automating quality scoring.
• Prompt Templates - Retrieves production-labeled prompt templates from a central store to separate prompt logic from application code.
• Self-Hosted Infrastructure - Enables self-hosting and scaling of observability platforms within private or cloud environments for full data control.
• Monitoring and Observability - Streams internal performance metrics and trace data to external observability tools while optimizing transmission through batching and sampling.
• Human-in-the-Loop Systems - Runs automated and human-in-the-loop assessments using custom judges to validate model performance.
• AI and Machine Learning - Observability and analytics platform for LLM engineering.
• AI Observability and Evaluation - Platform for LLM observability, evals, and prompt management.
• Application Development - Platform for tracing, evaluation, and prompt management.
• Development Frameworks - Observability platform for debugging and monitoring LLM applications.
• Evaluation and Observability - Platform for tracing, debugging, and managing LLM production workflows.
• Evaluation Frameworks - Tracks LLM metrics, observability, and manages prompts.
• Generative AI - Listed in the “Generative AI” section of the Free For Dev awesome list.
• LLM Development Frameworks - Engineering platform for tracing, evaluation, and prompt management.
• LLM Evaluation Frameworks - Observability, metrics, and evaluation management for LLM applications.
• LLM Evaluation Tools - Observability platform for tracing, prompt management, and human annotation.
• LLM Frameworks and Libraries - Engineering platform for LLM observability, metrics, and prompt management.
• Model Evaluation and Benchmarking - Observability and analytics solution for LLM-based applications.
• Observability And Analytics - Open-source analytics platform for monitoring LLM application performance.
• Observability and Evaluation - Integrated platform for tracing, evaluation, and prompt management.
• LLM Development Frameworks - Platform for debugging, analyzing, and iterating on LLM applications.
• Monitoring and Observability - Observability platform for debugging and analyzing LLM applications.
• Testing and Observability - Platform for LLM observability, metrics, and evaluation.
• Security And Privacy - Listed in the “Security And Privacy” section of the Llm Course awesome list.
• Private Infrastructure Hosting - Supports hosting within isolated network environments to maintain data control and security.
• API Request Authentication - Validates client identity using keys to secure access to platform resources.
• Identity Provider Integrations - Connects to external identity providers to manage user access and enforce single sign-on protocols across the organization.
• Experimentation Frameworks - Executes multiple prompt or model versions side-by-side to measure the impact of configuration changes.
• Organization Management - Allows for the creation and administration of organizational structures and user access permissions through external interface calls.
• Kubernetes Orchestration - Orchestrates application containers and dependencies within cluster environments using standardized packaging.
• Data Encryption - Secures stored information using encryption at rest to protect configuration and application data from unauthorized access.
• Data Schema Validation - Checks dataset items against defined structures to ensure input and output consistency across team contributions.
• Execution Metadata - Enriches execution logs with custom attributes and user identifiers to enable granular filtering and performance analysis across sessions.
• Test Data Management - Organizes collections of inputs and expected outputs into versioned groups to facilitate consistent application testing and evaluation.
• Workflow Automation Triggers - Triggers actions based on performance events and provides interfaces for external agents to query data and execute tasks.
• Cloud Infrastructure Deployment - Automates the provisioning of compute and storage resources on major cloud platforms.
• Workload Scheduling and Scaling - Supports high-availability deployments using container orchestration to manage large-scale observability data and traffic.
• Identity Provisioning - Synchronizes user accounts and permissions from external identity systems to ensure consistent access management.
• Trace Metadata - Attaches custom metadata, user identifiers, and session tags to execution traces to provide context for debugging and analysis.
• Distributed Tracing - Ingests execution traces and telemetry data to monitor distributed AI application pipelines and agent behavior.
• OpenTelemetry Exporters - Integrates with standard observability ecosystems to collect and export telemetry data from any language or runtime.
• Telemetry Ingestion - Buffers high-volume telemetry data in background queues to maintain host application responsiveness during intensive monitoring tasks.

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