Compare Braintrust vs. LangSmith vs. Langfuse

Braintrust serves as a robust platform tailored for the development of AI products within enterprises. By streamlining evaluations, providing a prompt playground, and managing data effectively, we eliminate the challenges and monotony associated with integrating AI into business operations. Users can compare various prompts, benchmarks, and the corresponding input/output pairs across different runs. You have the option to experiment in a transient manner or transform your initial draft into a comprehensive experiment for analysis across extensive datasets. Incorporate Braintrust into your continuous integration processes to monitor advancements on your primary branch and automatically juxtapose new experiments with existing live versions prior to deployment. Effortlessly gather rated examples from both staging and production environments, assess them, and integrate these insights into curated “golden” datasets. These datasets are stored in your cloud infrastructure and come with built-in version control, allowing for seamless evolution without jeopardizing the integrity of evaluations that rely on them, ensuring a smooth and efficient workflow as your AI capabilities expand. With Braintrust, businesses can confidently navigate the complexities of AI integration while fostering innovation and reliability.

Unexpected outcomes are a common occurrence in software development. With complete insight into the entire sequence of calls, developers can pinpoint the origins of errors and unexpected results in real time with remarkable accuracy. The discipline of software engineering heavily depends on unit testing to create efficient and production-ready software solutions. LangSmith offers similar capabilities tailored specifically for LLM applications. You can quickly generate test datasets, execute your applications on them, and analyze the results without leaving the LangSmith platform. This tool provides essential observability for mission-critical applications with minimal coding effort. LangSmith is crafted to empower developers in navigating the complexities and leveraging the potential of LLMs. We aim to do more than just create tools; we are dedicated to establishing reliable best practices for developers. You can confidently build and deploy LLM applications, backed by comprehensive application usage statistics. This includes gathering feedback, filtering traces, measuring costs and performance, curating datasets, comparing chain efficiencies, utilizing AI-assisted evaluations, and embracing industry-leading practices to enhance your development process. This holistic approach ensures that developers are well-equipped to handle the challenges of LLM integrations.

Langfuse is a free and open-source LLM engineering platform that helps teams to debug, analyze, and iterate their LLM Applications. Observability: Incorporate Langfuse into your app to start ingesting traces. Langfuse UI : inspect and debug complex logs, user sessions and user sessions Langfuse Prompts: Manage versions, deploy prompts and manage prompts within Langfuse Analytics: Track metrics such as cost, latency and quality (LLM) to gain insights through dashboards & data exports Evals: Calculate and collect scores for your LLM completions Experiments: Track app behavior and test it before deploying new versions Why Langfuse? - Open source - Models and frameworks are agnostic - Built for production - Incrementally adaptable - Start with a single LLM or integration call, then expand to the full tracing for complex chains/agents - Use GET to create downstream use cases and export the data