Langfuse - Alternatives & Competitors

Ranked by Relevance

• 1
  Laminar The AI engineering platform for LLM products

  Laminar is an open-source platform that enables developers to trace, evaluate, label, and analyze Large Language Model (LLM) applications with minimal code integration.

  • Freemium
  • From 25$
• 2
  Braintrust The end-to-end platform for building world-class AI apps.

  Braintrust provides an end-to-end platform for developing, evaluating, and monitoring Large Language Model (LLM) applications. It helps teams build robust AI products through iterative workflows and real-time analysis.

  • Freemium
  • From 249$
• 3
  promptfoo Test & secure your LLM apps with open-source LLM testing

  promptfoo is an open-source LLM testing tool designed to help developers secure and evaluate their language model applications, offering features like vulnerability scanning and continuous monitoring.

  • Freemium
• 4
  Langtrace Transform AI Prototypes into Enterprise-Grade Products

  Langtrace is an open-source observability and evaluations platform designed to help developers monitor, evaluate, and enhance AI agents for enterprise deployment.

  • Freemium
  • From 31$
• 5
  Agenta End-to-End LLM Engineering Platform

  Agenta is an LLM engineering platform offering tools for prompt engineering, versioning, evaluation, and observability in a single, collaborative environment.

  • Freemium
  • From 49$
• 6
  Gentrace Intuitive evals for intelligent applications

  Gentrace is an LLM evaluation platform designed for AI teams to test and automate evaluations of generative AI products and agents. It facilitates collaborative development and ensures high-quality LLM applications.

  • Usage Based
• 7
  LangWatch Monitor, Evaluate & Optimize your LLM performance with 1-click

  LangWatch empowers AI teams to ship 10x faster with quality assurance at every step. It provides tools to measure, maximize, and easily collaborate on LLM performance.

  • Paid
  • From 59$
• 8
  BenchLLM The best way to evaluate LLM-powered apps

  BenchLLM is a tool for evaluating LLM-powered applications. It allows users to build test suites, generate quality reports, and choose between automated, interactive, or custom evaluation strategies.

  • Other
• 9
  Langtail The low-code platform for testing AI apps

  Langtail is a comprehensive testing platform that enables teams to test and debug LLM-powered applications with a spreadsheet-like interface, offering security features and integration with major LLM providers.

  • Freemium
  • From 99$
• 10
  MLflow ML and GenAI made simple

  MLflow is an open-source, end-to-end MLOps platform for building better models and generative AI apps. It simplifies complex ML and generative AI projects, offering comprehensive management from development to production.

  • Free
• 11
  OpenLIT Open Source Platform for AI Engineering

  OpenLIT is an open-source observability platform designed to streamline AI development workflows, particularly for Generative AI and LLMs, offering features like prompt management, performance tracking, and secure secrets management.

  • Other
• 12
  Literal AI Ship reliable LLM Products

  Literal AI streamlines the development of LLM applications, offering tools for evaluation, prompt management, logging, monitoring, and more to build production-grade AI products.

  • Freemium
• 13
  Hegel AI Developer Platform for Large Language Model (LLM) Applications

  Hegel AI provides a developer platform for building, monitoring, and improving large language model (LLM) applications, featuring tools for experimentation, evaluation, and feedback integration.

  • Contact for Pricing
• 14
  SysPrompt The collaborative prompt CMS for LLM engineers

  SysPrompt is a collaborative Content Management System (CMS) designed for LLM engineers to manage, version, and collaborate on prompts, facilitating faster development of better LLM applications.

  • Paid
• 15
  Promptmetheus Forge better LLM prompts for your AI applications and workflows

  Promptmetheus is a comprehensive prompt engineering IDE that helps developers and teams create, test, and optimize language model prompts with support for 100+ LLMs and popular inference APIs.

  • Freemium
  • From 29$
• 16
  LiteLLM Unified API Gateway for 100+ LLM Providers

  LiteLLM is a comprehensive LLM gateway solution that provides unified API management, authentication, load balancing, and spend tracking across multiple LLM providers including Azure OpenAI, Vertex AI, Bedrock, and OpenAI.

  • Freemium
• 17
  LangDB The Fastest Enterprise AI Gateway for Secure, Governed, and Optimized AI Traffic.

  LangDB is an enterprise AI gateway designed to secure, govern, and optimize AI traffic across over 250 LLMs via a unified API. It helps reduce costs and enhance performance for AI workflows.

  • Freemium
  • From 49$
• 18
  phoenix.arize.com Open-source LLM tracing and evaluation

  Phoenix accelerates AI development with powerful insights, allowing seamless evaluation, experimentation, and optimization of AI applications in real time.

  • Freemium
• 19
  Helicone Ship your AI app with confidence

  Helicone is an all-in-one platform for monitoring, debugging, and improving production-ready LLM applications. It provides tools for logging, evaluating, experimenting, and deploying AI applications.

  • Freemium
  • From 20$
• 20
  PromptMage A Python framework for simplified LLM-based application development

  PromptMage is a Python framework that streamlines the development of complex, multi-step applications powered by Large Language Models (LLMs), offering version control, testing capabilities, and automated API generation.

  • Other
• 21
  Prompt Hippo Test and Optimize LLM Prompts with Science.

  Prompt Hippo is an AI-powered testing suite for Large Language Model (LLM) prompts, designed to improve their robustness, reliability, and safety through side-by-side comparisons.

  • Freemium
  • From 100$
• 22
  PromptsLabs A Library of Prompts for Testing LLMs

  PromptsLabs is a community-driven platform providing copy-paste prompts to test the performance of new LLMs. Explore and contribute to a growing collection of prompts.

  • Free
• 23
  Humanloop The LLM evals platform for enterprises to ship and scale AI with confidence

  Humanloop is an enterprise-grade platform that provides tools for LLM evaluation, prompt management, and AI observability, enabling teams to develop, evaluate, and deploy trustworthy AI applications.

  • Freemium
• 24
  Keywords AI LLM monitoring for AI startups

  Keywords AI is a comprehensive developer platform for LLM applications, offering monitoring, debugging, and deployment tools. It serves as a Datadog-like solution specifically designed for LLM applications.

  • Freemium
  • From 7$
• 25
  LLMStack Open-source platform to build AI Agents, workflows and applications with your data

  LLMStack is an open-source development platform that enables users to build AI agents, workflows, and applications by integrating various model providers and custom data sources.

  • Other
• 26
  Conviction The Platform to Evaluate & Test LLMs

  Conviction is an AI platform designed for evaluating, testing, and monitoring Large Language Models (LLMs) to help developers build reliable AI applications faster. It focuses on detecting hallucinations, optimizing prompts, and ensuring security.

  • Freemium
  • From 249$
• 27
  klu.ai Next-gen LLM App Platform for Confident AI Development

  Klu is an all-in-one LLM App Platform that enables teams to experiment, version, and fine-tune GPT-4 Apps with collaborative prompt engineering and comprehensive evaluation tools.

  • Freemium
  • From 30$
• 28
  LLM Explorer Discover and Compare Open-Source Language Models

  LLM Explorer is a comprehensive platform for discovering, comparing, and accessing over 46,000 open-source Large Language Models (LLMs) and Small Language Models (SLMs).

  • Free
• 29
  Promptech The AI teamspace to streamline your workflows

  Promptech is a collaborative AI platform that provides prompt engineering tools and teamspace solutions for organizations to effectively utilize Large Language Models (LLMs). It offers access to multiple AI models, workspace management, and enterprise-ready features.

  • Paid
  • From 20$
• 30
  ModelBench No-Code LLM Evaluations

  ModelBench enables teams to rapidly deploy AI solutions with no-code LLM evaluations. It allows users to compare over 180 models, design and benchmark prompts, and trace LLM runs, accelerating AI development.

  • Free Trial
  • From 49$
• 31
  Open Source AI Gateway Manage multiple LLM providers with built-in failover, guardrails, caching, and monitoring.

  Open Source AI Gateway provides developers with a robust, production-ready solution to manage multiple LLM providers like OpenAI, Anthropic, and Gemini. It offers features like smart failover, caching, rate limiting, and monitoring for enhanced reliability and cost savings.

  • Free
• 32
  Unify Build AI Your Way

  Unify provides tools to build, test, and optimize LLM pipelines with custom interfaces and a unified API for accessing all models across providers.

  • Freemium
  • From 40$
• 33
  OpenTools The API for Enhanced LLM Tool Use

  OpenTools provides a unified API enabling developers to connect Large Language Models (LLMs) with a diverse ecosystem of tools, simplifying integration and management.

  • Usage Based
• 34
  docs.litellm.ai Unified Interface for Accessing 100+ LLMs

  LiteLLM provides a simplified and standardized way to interact with over 100 large language models (LLMs) using a consistent OpenAI-compatible input/output format.

  • Free
• 35
  OneLLM Fine-tune, evaluate, and deploy your next LLM without code.

  OneLLM is a no-code platform enabling users to fine-tune, evaluate, and deploy Large Language Models (LLMs) efficiently. Streamline LLM development by creating datasets, integrating API keys, running fine-tuning processes, and comparing model performance.

  • Freemium
  • From 19$
• 36
  Autoblocks Improve your LLM Product Accuracy with Expert-Driven Testing & Evaluation

  Autoblocks is a collaborative testing and evaluation platform for LLM-based products that automatically improves through user and expert feedback, offering comprehensive tools for monitoring, debugging, and quality assurance.

  • Freemium
  • From 1750$
• 37
  Flowise Build LLM Apps Easily - Open Source Low-Code Tool for LLM Orchestration

  Flowise is an open-source low-code platform that enables developers to build customized LLM orchestration flows and AI agents through a drag-and-drop interface.

  • Freemium
  • From 35$
• 38
  Libretto LLM Monitoring, Testing, and Optimization

  Libretto offers comprehensive LLM monitoring, automated prompt testing, and optimization tools to ensure the reliability and performance of your AI applications.

  • Freemium
  • From 180$
• 39
  NeuralTrust Secure, test, & scale LLMs

  NeuralTrust offers a unified platform for securing, testing, monitoring, and scaling Large Language Model (LLM) applications, ensuring robust security, regulatory compliance, and operational control for enterprises.

  • Contact for Pricing
• 40
  Fosterflow Get Professional Answers From the Most Reliable AI Models

  Fosterflow is an AI solution that provides high-quality answers to user queries by intelligently selecting from over 100 advanced language models.

  • Freemium
  • From 20$
• 41
  Parea Test and Evaluate your AI systems

  Parea is a platform for testing, evaluating, and monitoring Large Language Model (LLM) applications, helping teams track experiments, collect human feedback, and deploy prompts confidently.

  • Freemium
  • From 150$
• 42
  LanguageGUI The UI Kit for LLMs

  LanguageGUI is an open-source design system and UI Kit that enables Large Language Models (LLMs) to format text outputs into richer graphical user interfaces.

  • Free
• 43
  Lega Large Language Model Governance

  Lega empowers law firms and enterprises to safely explore, assess, and implement generative AI technologies. It provides enterprise guardrails for secure LLM exploration and a toolset to capture and scale critical learnings.

  • Contact for Pricing
• 44
  OpenRouter A unified interface for LLMs

  OpenRouter provides a unified interface for accessing and comparing various Large Language Models (LLMs), offering users the ability to find optimal models and pricing for their specific prompts.

  • Usage Based
• 45
  Astra Platform The Universal API for LLM Function Calling

  Astra Platform is a universal API designed to enhance Large Language Models (LLMs) with function calling capabilities, enabling seamless integration with over 2,200 applications.

  • Contact for Pricing
• 46
  Requesty Develop, Deploy, and Monitor AI with Confidence

  Requesty is a platform for faster AI development, deployment, and monitoring. It provides tools for refining LLM applications, analyzing conversational data, and extracting actionable insights.

  • Usage Based
• 47
  Langbase The most powerful serverless platform for building AI products

  Langbase is a serverless AI developer platform that enables developers to build, deploy, and manage AI products with composable infrastructure, featuring BaseAI - the first Web AI Framework.

  • Freemium
  • From 20$
• 48
  Portkey Control Panel for AI Apps

  Portkey is a comprehensive AI operations platform offering AI Gateway, Guardrails, and Observability Suite to help teams deploy reliable, cost-efficient, and fast AI applications.

  • Freemium
  • From 49$
• 49
  LLM Pricing A comprehensive pricing comparison tool for Large Language Models

  LLM Pricing is a website that aggregates and compares pricing information for various Large Language Models (LLMs) from official AI providers and cloud service vendors.

  • Free
• 50
  BrAIs A better LLM platform for structured language model management

  BrAIs is a platform that empowers users to structure and manage their interactions with language models, offering integrated tools for improved productivity and seamless file handling.

  • Freemium
  • From 5$