List of the Top 11 Free ML Experiment Tracking Tools in 2025

Vertex AI's ML Experiment Tracking empowers organizations to monitor and oversee their machine learning experiments, promoting clarity and reproducibility. This functionality allows data scientists to document model settings, training variables, and outcomes, simplifying the comparison of various experiments and the identification of top-performing models. By systematically tracking experiments, companies can enhance their machine learning operations and minimize the likelihood of mistakes. New users are offered $300 in complimentary credits to delve into the platform's experiment tracking capabilities and refine their model development practices. This resource is essential for teams collaborating to optimize models and maintain uniform performance throughout different versions.

TensorFlow serves as a comprehensive, open-source platform for machine learning, guiding users through every stage from development to deployment. This platform features a diverse and flexible ecosystem that includes a wide array of tools, libraries, and community contributions, which help researchers make significant advancements in machine learning while simplifying the creation and deployment of ML applications for developers. With user-friendly high-level APIs such as Keras and the ability to execute operations eagerly, building and fine-tuning machine learning models becomes a seamless process, promoting rapid iterations and easing debugging efforts. The adaptability of TensorFlow enables users to train and deploy their models effortlessly across different environments, be it in the cloud, on local servers, within web browsers, or directly on hardware devices, irrespective of the programming language in use. Additionally, its clear and flexible architecture is designed to convert innovative concepts into implementable code quickly, paving the way for the swift release of sophisticated models. This robust framework not only fosters experimentation but also significantly accelerates the machine learning workflow, making it an invaluable resource for practitioners in the field. Ultimately, TensorFlow stands out as a vital tool that enhances productivity and innovation in machine learning endeavors.

ClearML stands as a versatile open-source MLOps platform, streamlining the workflows of data scientists, machine learning engineers, and DevOps professionals by facilitating the creation, orchestration, and automation of machine learning processes on a large scale. Its cohesive and seamless end-to-end MLOps Suite empowers both users and clients to focus on crafting machine learning code while automating their operational workflows. Over 1,300 enterprises leverage ClearML to establish a highly reproducible framework for managing the entire lifecycle of AI models, encompassing everything from the discovery of product features to the deployment and monitoring of models in production. Users have the flexibility to utilize all available modules to form a comprehensive ecosystem or integrate their existing tools for immediate use. With trust from over 150,000 data scientists, data engineers, and machine learning engineers at Fortune 500 companies, innovative startups, and enterprises around the globe, ClearML is positioned as a leading solution in the MLOps landscape. The platform’s adaptability and extensive user base reflect its effectiveness in enhancing productivity and fostering innovation in machine learning initiatives.

Neptune.ai is a powerful platform designed for machine learning operations (MLOps) that streamlines the management of experiment tracking, organization, and sharing throughout the model development process. It provides an extensive environment for data scientists and machine learning engineers to log information, visualize results, and compare different model training sessions, datasets, hyperparameters, and performance metrics in real-time. By seamlessly integrating with popular machine learning libraries, Neptune.ai enables teams to efficiently manage both their research and production activities. Its diverse features foster collaboration, maintain version control, and ensure the reproducibility of experiments, which collectively enhance productivity and guarantee that machine learning projects are transparent and well-documented at every stage. Additionally, this platform empowers users with a systematic approach to navigating intricate machine learning workflows, thus enabling better decision-making and improved outcomes in their projects. Ultimately, Neptune.ai stands out as a critical tool for any team looking to optimize their machine learning efforts.

Oversee and enhance models throughout the comprehensive machine learning lifecycle. This process encompasses tracking experiments, overseeing models in production, and additional functionalities. Tailored for the needs of large enterprise teams deploying machine learning at scale, the platform accommodates various deployment strategies, including private cloud, hybrid, or on-premise configurations. By simply inserting two lines of code into your notebook or script, you can initiate the tracking of your experiments seamlessly. Compatible with any machine learning library and for a variety of tasks, it allows you to assess differences in model performance through easy comparisons of code, hyperparameters, and metrics. From training to deployment, you can keep a close watch on your models, receiving alerts when issues arise so you can troubleshoot effectively. This solution fosters increased productivity, enhanced collaboration, and greater transparency among data scientists, their teams, and even business stakeholders, ultimately driving better decision-making across the organization. Additionally, the ability to visualize model performance trends can greatly aid in understanding long-term project impacts.

TensorBoard is an essential visualization tool integrated within TensorFlow, designed to support the experimentation phase of machine learning. It empowers users to track and visualize an array of metrics, including loss and accuracy, while providing a clear view of the model's architecture through graphical representations of its operations and layers. Users can analyze the development of weights, biases, and other tensors through dynamic histograms over time, and it also enables the projection of embeddings into a simpler, lower-dimensional format, in addition to accommodating various data types such as images, text, and audio. In addition to its visualization capabilities, TensorBoard features profiling tools that optimize and enhance the performance of TensorFlow applications significantly. Altogether, these diverse functionalities offer practitioners vital tools for understanding, diagnosing issues, and fine-tuning their TensorFlow projects, thereby increasing the overall effectiveness of the machine learning process. Furthermore, precise measurement within the machine learning sphere is critical for progress, and TensorBoard effectively addresses this demand by providing essential metrics and visual feedback throughout the development lifecycle. This platform not only monitors various experimental metrics but also plays a key role in visualizing intricate model architectures and facilitating the dimensionality reduction of embeddings, thereby solidifying its role as a fundamental asset in the machine learning toolkit. With its comprehensive features, TensorBoard stands out as a pivotal resource for both novice and experienced practitioners in the field.

Keepsake is an open-source Python library tailored for overseeing version control within machine learning experiments and models. It empowers users to effortlessly track vital elements such as code, hyperparameters, training datasets, model weights, performance metrics, and Python dependencies, thereby facilitating thorough documentation and reproducibility throughout the machine learning lifecycle. With minimal modifications to existing code, Keepsake seamlessly integrates into current workflows, allowing practitioners to continue their standard training processes while it takes care of archiving code and model weights to cloud storage options like Amazon S3 or Google Cloud Storage. This feature simplifies the retrieval of code and weights from earlier checkpoints, proving to be advantageous for model re-training or deployment. Additionally, Keepsake supports a diverse array of machine learning frameworks including TensorFlow, PyTorch, scikit-learn, and XGBoost, which aids in the efficient management of files and dictionaries. Beyond these functionalities, it offers tools for comparing experiments, enabling users to evaluate differences in parameters, metrics, and dependencies across various trials, which significantly enhances the analysis and optimization of their machine learning endeavors. Ultimately, Keepsake not only streamlines the experimentation process but also positions practitioners to effectively manage and adapt their machine learning workflows in an ever-evolving landscape. By fostering better organization and accessibility, Keepsake enhances the overall productivity and effectiveness of machine learning projects.

Guild AI is an open-source toolkit designed to track experiments, aimed at bringing a structured approach to machine learning workflows and enabling users to improve both the speed and quality of model development. It systematically records every detail of training sessions as unique experiments, fostering comprehensive monitoring and assessment. This capability allows users to compare and analyze various runs, which is essential for deepening their insights and progressively refining their models. Additionally, the toolkit simplifies hyperparameter tuning through sophisticated algorithms that can be executed with straightforward commands, eliminating the need for complex configurations. It also automates workflows, which accelerates development processes while reducing the likelihood of errors and producing measurable results. Guild AI is compatible with all major operating systems and integrates seamlessly with existing software engineering tools. Furthermore, it supports a variety of remote storage options, including Amazon S3, Google Cloud Storage, Azure Blob Storage, and SSH servers, making it an incredibly versatile solution for developers. This adaptability empowers users to customize their workflows according to their unique requirements, significantly boosting the toolkit’s effectiveness across various machine learning settings. Ultimately, Guild AI stands out as a comprehensive solution for enhancing productivity and precision in machine learning projects.

AI engineering has the potential to be clear and accessible instead of shrouded in complexity. HoneyHive stands out as a versatile platform for AI observability and evaluation, providing an array of tools for tracing, assessment, prompt management, and more, specifically designed to assist teams in developing reliable generative AI applications. Users benefit from its resources for model evaluation, testing, and monitoring, which foster effective cooperation among engineers, product managers, and subject matter experts. By assessing quality through comprehensive test suites, teams can detect both enhancements and regressions during the development lifecycle. Additionally, the platform facilitates the tracking of usage, feedback, and quality metrics at scale, enabling rapid identification of issues and supporting continuous improvement efforts. HoneyHive is crafted to integrate effortlessly with various model providers and frameworks, ensuring the necessary adaptability and scalability for diverse organizational needs. This positions it as an ideal choice for teams dedicated to sustaining the quality and performance of their AI agents, delivering a unified platform for evaluation, monitoring, and prompt management, which ultimately boosts the overall success of AI projects. As the reliance on artificial intelligence continues to grow, platforms like HoneyHive will be crucial in guaranteeing strong performance and dependability. Moreover, its user-friendly interface and extensive support resources further empower teams to maximize their AI capabilities.

DagsHub functions as a collaborative environment specifically designed for data scientists and machine learning professionals to manage and refine their projects effectively. By integrating code, datasets, experiments, and models into a unified workspace, it enhances project oversight and facilitates teamwork among users. Key features include dataset management, experiment tracking, a model registry, and comprehensive lineage documentation for both data and models, all presented through a user-friendly interface. In addition, DagsHub supports seamless integration with popular MLOps tools, allowing users to easily incorporate their existing workflows. Serving as a centralized hub for all project components, DagsHub ensures increased transparency, reproducibility, and efficiency throughout the machine learning development process. This platform is especially advantageous for AI and ML developers who seek to coordinate various elements of their projects, encompassing data, models, and experiments, in conjunction with their coding activities. Importantly, DagsHub is adept at managing unstructured data types such as text, images, audio, medical imaging, and binary files, which enhances its utility for a wide range of applications. Ultimately, DagsHub stands out as an all-in-one solution that not only streamlines project management but also bolsters collaboration among team members engaged in different fields, fostering innovation and productivity within the machine learning landscape. This makes it an invaluable resource for teams looking to maximize their project outcomes.

Aim functions as an all-encompassing platform designed for documenting every aspect of AI metadata, encompassing experiments and prompts, while providing a user-friendly interface for comparison and analysis, along with a software development kit for executing programmatic queries. This open-source, self-hosted tool is specifically engineered to efficiently handle vast numbers of tracked metadata sequences, numbering in the hundreds of thousands. The primary uses of AI metadata revolve around experiment tracking and prompt engineering, which are essential for optimizing AI performance. Furthermore, Aim features a visually appealing and high-performance interface that not only simplifies the exploration but also enhances the comparison of various training runs and prompt sessions, thereby improving the overall user experience in the field of AI development. With its robust capabilities and user-centric design, Aim emerges as an indispensable asset for professionals working on cutting-edge AI initiatives. Its comprehensive features cater to the diverse needs of AI practitioners, making it a favorite choice in the community.