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Weights & Biases

Weights & Biases

AI Development
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PRICING:
Freemium

about

Weights and Biases helps teams track experiments, datasets, and models across the ML lifecycle. Log metrics, parameters, and artifacts; visualize training runs and compare results. Coordinate sweeps, register models, and link lineage to data and code. Dashboards, reports, and APIs keep work reproducible and shared so research, product, and ops collaborate without losing context between notebooks, jobs, and deployments. Dashboards track metrics, system stats, and artifacts for reliable comparisons.

Features

1

Experiment Tracking and Metrics

Instrument training to capture losses, accuracy, gradients, and system stats. Group runs, compare curves, and zoom into steps and ranges. Notes and tags clarify intent. With consistent logging, teams diagnose regressions fast and avoid guesswork. Reproducibility improves as code, configs, and results travel together, turning scattered experiments into traceable decision making assets. Policies enforce retention, access roles, and audit trails for governance today.

2

Artifacts and Lineage

Version datasets, checkpoints, and outputs as artifacts with lineage graphs. Pin exact inputs to a run and promote approved versions forward. This structure prevents accidental drift and broken notebooks. By treating data and models like code, collaboration becomes safer, reuse increases, and handoffs between research and production carry provenance that stands up to review. Integrations cover popular ML frameworks and orchestrators used in production.

3

Sweeps and Optimization

Automate hyperparameter search with grid, random, or Bayesian methods. Early stopping saves compute; constraints enforce budgets. Visual summaries reveal promising regions quickly. Because sweeps tie into tracking and artifacts, winners are reproducible, and lessons transfer to future projects. Teams explore broadly while staying efficient, confident, and aligned on criteria. Reports turn experiments into shareable narratives with plots, tables, and text.

4

Model Registry and Serving Links

Register models with stage gates, owners, and notes. Track which datasets and commits produced a version. Link to batch jobs and serving endpoints. This registry creates a shared source of truth, supports rollbacks, and keeps compliance documentation close. Clear ownership and lineage reduce surprises when models move across environments and quarters. Artifacts version datasets, models, and outputs with lineage and reuse controls.

5

Reports, Dashboards, and APIs

Compose reports with charts, tables, and narratives that pull live results. Dashboards summarize health, comparisons, and resource use. APIs and SDKs automate uploads and queries inside pipelines. With consistent surfaces for exploration and communication, teams align faster, reduce meeting overhead, and maintain momentum from early research through ongoing operations. Sweeps optimize hyperparameters across compute with early stopping strategies.

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Recomended For

ML researchers, data scientists, MLEs, and platform teams who need reliable experiment tracking; organizations that version datasets and models; groups that run sweeps and registries; and collaborators who prefer dashboards, reports, and APIs that make results discoverable and reproducible across notebooks, jobs, and services during development, validation, and production phases. Teams coordinate workspaces, projects, and runs while maintaining visibility.

What it solved

Without disciplined tracking, experiments scatter across machines with lost context. Weights and Biases centralizes metrics, artifacts, sweeps, registries, and reports. Teams compare results confidently, reuse datasets, and ship models with provenance. The platform reduces manual logging, prevents drift, and shortens the path from idea to dependable deployment across products. APIs, CLIs, and SDKs provide predictable automation and reproducible pipelines.

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