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OpenAlternative

Open Source Weights and Biases Alternatives

A curated collection of the 2 best open source alternatives to Weights and Biases.

The best open source alternative to Weights and Biases is OpenLIT. If that does not suit you, we have compiled a ranked list of other open source Weights and Biases alternatives to help you find a suitable replacement.

Weights and Biases alternatives are mainly LLM Application Frameworks. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Weights and Biases.

Written by OpenAlternative Last updated: June 2, 2026
#1

OpenLIT

Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluati

Open-source observability platform for GenAI and LLM applications. Real-ti...

#2

mlop

Open source platform for ML engineers to track metrics, parameters, and gradients in real-time. Features Git integration, alerts, and seamless workflo

Open source platform for ML engineers to track metrics, parameters, and gr...