Weights & Biases
MLOps & Training · Free + paid
Developer tools for ML experiment tracking
At a glance
- Made by
- Weights & Biases (part of CoreWeave Forge)
- Korean
- UI in Korean
- Available on
- Web, iOS
What is Weights & Biases?
Weights & Biases is a platform for developing AI agents, applications, and models. W&B Weave provides traces, evaluations, a playground, and monitors for LLM apps, and W&B Models provides experiment tracking, hyperparameter sweeps, artifacts, reports, and automations. It is now part of CoreWeave Forge, and the cloud pricing plans have also moved to Forge. Self-hosting, which installs a W&B server on your own infrastructure, is also supported.
- Explore and debug AI apps with Weave traces
- Evaluate AI apps
- Monitors for continuous improvement in production
- Experiment tracking, hyperparameter sweeps, artifacts, reports, automations (W&B Models)
- iOS app for monitoring AI experiments
- Self-host a W&B server with Docker and Python
- Security certifications such as ISO 27001, SOC 2, and HIPAA
Who uses Weights & Biases and for what
- Automakers developing autonomous driving models
- Enterprises deploying and managing ML models
Pricing
What you get for free — Yes (Forge Free $0/month — for personal development, up to 5 model seats; self-hosted Personal is free — not for enterprise use; permanently free for academic research)
| Plan | Price | Main limits |
|---|---|---|
| Free (CoreWeave Forge) | $0/mo | For personal development, up to 5 model seats, community support |
| Pro (CoreWeave Forge) | $60/mo | From $60/month (billed monthly), up to 10 model seats, 30-day free trial, for teams with fewer than 50 employees |
| Enterprise (CoreWeave Forge) | Contact sales | Custom pricing, HIPAA option, SSO, audit logs, and more |
| Personal (self-hosted) | $0/mo | 1 user, personal projects only, not for enterprise use |
| Advanced Enterprise (self-hosted) | Contact sales | Custom pricing, free enterprise trial license |
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page
AI tools similar to Weights & Biases (alternatives)
Weights & Biases vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| Weights & Biases | Free + paid | 0 | 5 | Yes | $60/mo | Yes |
| CML | Free + paid | 0 | 7 | — | — | No |
| Comet ML | Free + paid | 0 | 7 | Yes | $19/mo | No |
| GitLab CI | Free + paid | 0 | 7 | Yes | — | No |
3 of these 4 tools have a free plan. Cheapest paid plan: Comet ML ($19/mo).
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
Weights & Biases on AI Galaxy Map
- One of 45 AI tools in the MLOps & Training field.
- Connected to 5 other tools — #11 in its field.
Frequently asked questions
Can I use Weights & Biases for free?
Yes (Forge Free $0/month — for personal development, up to 5 model seats; self-hosted Personal is free — not for enterprise use; permanently free for academic research). Prices can change, so check the official site before paying.
What AI can I use instead of Weights & Biases?
Tools that do the same job, such as CML, Comet ML, GitLab CI, DVC, are connected to it on the map.
Can I use Weights & Biases in Korean?
UI in Korean
Sources (official pages)
- https://wandb.ai/site
- https://docs.coreweave.com/forge-home
- https://wandb.ai/site/pricing-privately-hosted/
- https://coreweave.com/forge-pricing
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.