neptune.ai Alternatives (January 2026)

neptune.ai | The experiment tracker for foundation model training

Monitor months-long jobs and visualize massive amounts of data in almost real-time — with 100% accuracy. Without crashing the UI.

4.6/5

176+ reviews

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Weights & Biases: The AI Developer Platform

https://wand

.ai/

Weights & Biases is the leading AI developer platform to train and fine-tune models, manage models from experimentation to production, and track and evaluate GenAI applications powered by LLMs.

Comet ML - Build better models faster

https://www.come

.ml/

Track, compare, and reproduce your ML experiments with Comet's machine learning platform. Leverage insights to build better models, faster.

AI Observability and LLM Security | WhyLabs

https://whylab

.ai/

Explore WhyLabs, the leading platform for AI observability, LLM security, and model monitoring. Guardrail Generative AI applications in real-time to mitigate data leakage, prompt attacks, and hallucinations.

Distributed Deep Learning and Hyperparameter Tuning Platform | Determined AI

https://determine

.ai/

Open source deep learning training platform that enables data scientists to train better models, with built-in hyperparameter tuning and distributed training

MLOps at Big tech velocity | TrueFoundry

https://www.truefoundr

.com/

Train and deploy ML models and LLMs on top of Kubernetes at the speed of Big Tech with 100% reliability and scalability. Slash production costs by 30-40% and release models to production faster. Training jobs, inference services, GPUs and more on your own infra.

AI Observability & LLM Evaluation Platform | ML Model Monitoring & ML Infrastructure

https://ariz

.com/

Increase model velocity and improve AI outcomes with Arize AI’s ML observability platform. Discover issues, diagnose problems, and improve performance.

Data Observability Platform for Modern Data Teams | Metaplane

https://metaplan

.dev/

Metaplane is a data observability platform that helps data teams know when things break, what went wrong, and how to fix it.

Session Replay | Product Analytics | Error Tracking | LogRocket

https://logrocke

.com/

LogRocket helps you understand problems affecting your users, so that you can get back to building great software.

Astronomer: The Best Place to Run Apache Airflow®

https://www.astronome

.io/

Unlock the full potential of Apache Airflow® with Astronomer’s managed platform. Ensure reliable data delivery, seamless integrations, and dynamic scaling to power your data products and AI. Trusted by top data teams globally.