Langfuse Prompt Experiments

Langfuse Prompt Experiments

Langfuse Prompt Experiments is a handy tool that helps users test and validate different versions of prompts on a dataset. It is part of Langfuse''s Prompt Management system, making it easy to quickly iterate on prompts and ensure that any changes made produce the desired results. One of its standout features is its integration with LLM as a Judge Evaluators, which allows for automated evaluation of responses.

Key Features

Langfuse Prompt Experiments offers several key features that make it a valuable tool for users. It allows for a quick feedback loop, enabling users to run experiments and directly compare evaluation results side by side. This helps in making decisions about which prompt versions to use. It also ensures regression prevention by allowing users to test new prompt versions before deployment, ensuring that they do not produce unwanted outputs.

Benefits

The main benefit of Langfuse Prompt Experiments is its ability to help users continuously improve their applications. By creating datasets from production edge cases, users can benchmark new releases before deploying them to production. This structured testing approach allows for flexible evaluation, including the use of custom evaluation metrics or LLM as a Judge.

Use Cases

Langfuse Prompt Experiments can be used in various scenarios. For instance, users can manually create or import test cases, synthetically generate questions and responses, or use production app traces with issues to create dataset items. After making application changes, users can test these changes by running the application on all dataset items and evaluating the results against baseline or expected outputs. This process helps identify improvements, catch regressions, and make data driven decisions about releases.

Cost or Price

Langfuse Prompt Experiments is currently in public beta on Langfuse Cloud. It will be released for self hosted users in Langfuse v3, which is part of the Pro plan.

Funding

The article does not provide information on the funding of Langfuse Prompt Experiments.

Reviews or Testimonials

The article does not include any user testimonials or reviews for Langfuse Prompt Experiments.