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MLflow Prompt Registry

Open-source MLOps platform with GenAI tracing, evaluation and a prompt registry.

Open Source Prompt Management & Testing mlflow.org
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About MLflow Prompt Registry

MLflow, maintained under the Linux Foundation, now includes GenAI tracing, evaluation, prompt management and an AI gateway alongside its classic experiment tracking.

Natural for teams already using MLflow.

FAQ

What is MLflow Prompt Registry?

Open-source MLOps platform with GenAI tracing, evaluation and a prompt registry.

Is MLflow Prompt Registry free?

Yes. MLflow Prompt Registry is open source and free to use or self-host.

What are some alternatives to MLflow Prompt Registry?

Agenta, Arize Phoenix, Braintrust, DeepEval, Google AI Studio.

Alternatives to MLflow Prompt Registry

All prompt management & testing →

Agenta

Open Source

Open-source platform for prompt management, evaluation and observability.

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Arize Phoenix

Open Source

Open-source tracing, evaluation and prompt playground for LLM apps.

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Braintrust

Freemium

Prompt management combined with evaluation and tracing.

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DeepEval

Open Source

Open-source framework for unit-testing LLM outputs.

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Google AI Studio

Free

Google’s free playground for writing and testing prompts with Gemini.

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Helicone

Open Source

Open-source LLM observability with prompt versioning and cost tracking.

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Langfuse

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Open-source LLM engineering platform with prompt management, tracing and evals.

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LangSmith

Freemium

LangChain’s platform for tracing, evaluating and managing prompts.

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Latitude

Open Source

Open-source platform for prompt engineering and AI agents.

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Lunary

Open Source

Open-source monitoring and prompt management for AI apps.

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Maxim AI

Freemium

End-to-end platform for prompt experimentation, evaluation and observability.

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Opik

Open Source

Open-source LLM evaluation and observability by Comet.

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