Software · head to head
Notion vs Weights & Biases

Notion
Software
All-in-one workspace for notes, tasks, wikis, and databases
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Notion free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage; Weights & Biases pricing can be prohibitive for large teams without enterprise discounts
- They diverge on capability: Notion covers Rich text editing with blocks, Weights & Biases covers Experiment tracking.
Where they differ
Only the attributes on which Notion and Weights & Biases actually diverge.
| Attribute | Notion | Weights & Biases |
|---|---|---|
| Platforms | Web, iOS, Android | Web, Python SDK, REST API |
| Founded | 2016 | 2017 |
Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Notion
- Rich text editing with blocks
- Customizable databases
- Kanban boards and calendars
- Real-time collaboration
- Template library
- File attachments
- Web clipper
- API access
Only in Weights & Biases
- Experiment tracking
- Dataset versioning
- Model registry
- Hyperparameter sweeps
- Collaborative dashboards
- PyTorch
- TensorFlow
- Keras
What people use each for
The jobs each tool is most often brought in to do.
Notion
- Project managementnot Weights & Biases
- Knowledge base creationnot Weights & Biases
- Note-taking and documentationnot Weights & Biases
- Team collaborationnot Weights & Biases
- Content planningnot Weights & Biases
Weights & Biases
- Machine learningnot Notion
- Data analysisnot Notion
- Model trainingnot Notion
- Predictive analyticsnot Notion
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Notion
- Free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage
- Free tier only includes trial AI capabilities; full Notion AI requires paid plan
- Page history limited to 7 days on free plan
- Per-member pricing increases costs for teams compared to flat-rate competitors
- Limited automation capabilities compared to dedicated workflow platforms
Weights & Biases
- Pricing can be prohibitive for large teams without enterprise discounts
- Limited integrations compared to some competitors
- Dashboard customization options limited on lower plans
- Requires some setup and configuration knowledge
Pricing, plan by plan
Notion
Free- FreeFree
- 1000 block limit (2+ members)
- 7-day page history
- 5MB file upload cap
- Plus$10/month
- Unlimited blocks
- 30-day page history
- Unlimited file uploads
- Business$20/month
- All Plus features
- Notion Agent
- AI Meeting Notes
- Enterprise$null/custom
- All Business features
- Advanced controls
- Audit logs
Weights & Biases
Free- FreeFree
- 5 model seats
- 5 GB storage
- 1 GB/month Weave ingestion
- Pro$60/month
- 10 seats
- 100 GB storage
- Private projects
- Teams$179/month
- Team collaboration
- Advanced analytics
- Dedicated support
Which should you pick?
Choose Notion if
- You need rich text editing with blocks.
- You want to start without paying.
- You work on Web, iOS, Android.
- You also want customizable databases.
Choose Weights & Biases if
- You need experiment tracking.
- You want to start without paying.
- You work on Web, Python SDK, REST API.
- You also want dataset versioning.
Questions people ask
- Is Notion or Weights & Biases better?
- Neither clearly leads. Notion starts at Free and Weights & Biases at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Notion or Weights & Biases?
- Notion starts at Free and Weights & Biases at Free.
- Does Notion or Weights & Biases run on more platforms?
- Notion runs on Web, iOS, Android. Weights & Biases runs on Web, Python SDK, REST API.
- Can I use Notion for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Notion best used for?
- Notion is most often used for project management, knowledge base creation, note-taking and documentation, team collaboration. Of those, project management and knowledge base creation are not what Weights & Biases is typically brought in for.
- What can Notion do that Weights & Biases cannot?
- Notion covers Rich text editing with blocks, Customizable databases, Kanban boards and calendars, Real-time collaboration. Weights & Biases covers Experiment tracking, Dataset versioning, Model registry, Hyperparameter sweeps.
Answered from the vendors’ own pages
Notion: What are Notion's pricing tiers?
Notion offers four plans: Free ($0/member/month), Plus ($10/member/month), Business ($20/member/month recommended), and Enterprise (custom pricing). All paid plans include Notion AI and identical features with no per-feature charges.
SourceWeights & Biases: Does Weights & Biases have a free plan?
Yes. The Free tier includes 5 model seats, 5 GB storage, and 1 GB/month Weave ingestion. Academic users get unlimited tracked hours, 200 GB storage, and 100 seats at no cost.
SourceNotion: What is included in Notion's free plan?
The free plan includes databases with limited collaborative blocks, trial AI capabilities, basic forms, basic sites, Notion Calendar, and file uploads. For workspaces with 2+ members, there is a 1,000-block limit.
SourceWeights & Biases: What are the paid plans for Weights & Biases?
Pro starts at $60/month with 10 seats and 100 GB storage. Team plans start at $179/month. Enterprise pricing is custom.
SourceNotion: How much does Notion AI cost?
Notion AI is included with Plus ($10/mo), Business ($20/mo), and Enterprise plans. Free and Plus plans include limited AI trial capabilities. Custom Agents cost $10 per 1,000 monthly credits after free trial.
SourceWeights & Biases: What machine learning features does W&B provide?
Weights & Biases captures hyperparameters, metrics, and model outputs automatically. Features include experiment tracking, interactive Reports for sharing findings, Artifacts for managing datasets and models, advanced hyperparameter sweeps, and model deployment tools.
SourceNotion: Can guests access Notion workspaces without payment?
Yes. Guests are free of charge on all plans including the free tier. Free tier allows 10 guests; paid plans include unlimited guests. Guests can only access individual pages they are invited to.
SourceNotion: Does Notion integrate with other apps?
Yes. Notion integrates with 100+ third-party apps including Slack, Google Drive, GitHub, Google Calendar, Trello, Jira, Zapier, and many others. Native integrations are available plus additional connections via Zapier.
SourceRelated pages
More on Weights & Biases
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