Rerun vs Weights & Biases: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Rerun and Weights & Biases side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Rerun
Data layer for physical AI: visualize, query, transform, and train on multimodal robotics data.
Best for you if:
- • You want free and open-source SDK with full toolchain for local use
Weights & Biases
Track, compare, and share ML experiments and models
Best for you if:
- • You want great visualizations
| At a Glance | Rerun | Weights & Biases |
|---|---|---|
Starts at | Free plan | Free plan, paid from $60/mo, billed monthly Pro plan |
Category | Data Visualization AI Data Labeling | Developer Tools Analytics |
Rating | n/a | 4.6/5 G2 4.6 57 reviews |
Free plan | Yes | Yes |
Watch out for | Potential minimum commitment for dedicated support | Overage fees for storage/Weave data on Free tier |
Choose Rerun or Weights & Biases?
Choose Rerun if
- You want free and open-source SDK with full toolchain for local use
- You want supports multiple programming languages (Python, Rust, C++)
- You work in data visualization, not developer tools
Choose Weights & Biases if
- You want great visualizations
- You want team collaboration
- You work in developer tools, not data visualization
In-Depth Analysis
Rerun
Data layer for physical AI: visualize, query, transform, and train on multimodal robotics data.
The free open-source SDK is genuinely generous, offering a full-featured local solution with no cost, ideal for individual developers and small teams.
Watch out
Potential minimum commitment for dedicated support
Strengths
- Pro: Free and open-source SDK with full toolchain for local use
- Pro: Supports multiple programming languages (Python, Rust, C++)
- Pro: Unified data layer covering visualization, query, transform, and training
Weaknesses
- Con: Commercial Hub requires contacting sales for pricing and setup
- Con: Primarily designed for physical AI and robotics, may be overkill for simpler data use cases
Key features
Weights & Biases
Track, compare, and share ML experiments and models
The pricing for Weights & Biases is fair, offering a generous Free tier and a competitive Pro tier at $60/month.
Watch out
Overage fees for storage/Weave data on Free tier
Strengths
- Pro: Great visualizations
- Pro: Team collaboration
- Pro: Free tier
Weaknesses
- Con: Learning curve
- Con: Can be slow
Key features
Plans and prices: Rerun vs Weights & Biases
| Tool | Plans and prices | Source |
|---|---|---|
| Rerun |
| rerun.io/pricing read Oct 2, 2026 |
| Weights & Biases |
| wandb.ai/pricing read Nov 2, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Rerun pricing and Weights & Biases pricing.
Key Takeaways
Rerun
- Choose if you want data layer for physical AI: visualize, query, transform, and train on multimodal robotics data
Weights & Biases
- Choose if you want track, compare, and share ML experiments and models
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Weights & Biases has a published user rating (4.6/5 from 57 reviews); Rerun has none we can show.
- Weights & Biases starts at $60/mo, billed monthly; Rerun has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Rerun and Weights & Biases compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Weights & Biases has a published user rating (4.6/5 from 57 reviews); Rerun has none we can show. Weights & Biases starts at $60/mo, billed monthly; Rerun has no public paid plan price on file. Both have a free plan.
What are Rerun and Weights & Biases used for?
Rerun: Data layer for physical AI: visualize, query, transform, and train on multimodal robotics data. Weights & Biases: Track, compare, and share ML experiments and models.
What does Rerun cost vs Weights & Biases?
Rerun has no public paid-plan price on file. Weights & Biases's cheapest paid plan is Pro at $60/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Rerun and Weights & Biases?
Rerun's main strength: free and open-source SDK with full toolchain for local use. Weights & Biases's main strength: great visualizations.