Personal
Free
- User seat: 1 seat
Experiment tracking
Weights & Biases vs Comet Pricing Comparison
Comparing historical price movements, current plan features, and price change logs for Weights & Biases and Comet.
Weights & Biases
Full Weights & Biases history →16 dated pricing states tracked since 2021. Entry pricing in the latest mapped state starts at $60/mo.
Comet
Full Comet history →11 dated pricing states tracked since 2022. Entry pricing in the latest mapped state starts at $19/mo.
Coverage last checked Weights & Biases: 2026-07-14; Comet: 2026-08-04. Verify current offers on the vendors' pricing page and pricing page. Read the methodology and limitations.
Executive pricing summary
SaasTrack has logged historical pricing snapshots for both Weights & Biases and Comet in the AI Tooling software category. Currently, Weights & Biases entry pricing starts at $60/mo across 5 plans, while Comet entry pricing starts at $19/mo across 4 plans. Over the tracking period, Weights & Biases has recorded 200 price adjustments compared to 105 for Comet.
Weights & Biases vs Comet Key Metrics Table
| Comparison Metric | Weights & Biases | Comet |
|---|---|---|
| Starting Entry Price | $60/mo | $19/mo |
| Active Plan Count | 5 plans | 4 plans |
| Logged Price Changes | 200 changes | 105 changes |
| Tracking Since | 2021 | 2022 |
| Market Category | AI Tooling | AI Tooling |
Merged Price History Chart
Weights & BiasesvsCometUnified Price Chart
Weights & Biases is blue. Comet is orange. Filter by window and plan with the controls below.
latest · 2026-09-18
Weights & Biases: Advanced Enterprise, Enterprise, Advanced — quoted on request, never listed with a price; Comet: Enterprise — quoted on request, never listed with a price.
Weights & Biases plans today
Free
Free
- Storage: 5 GB/mo
AI application evaluations · AI model experiment tracking · AI application tracing
Pro
$60 /mo
- Storage: 100 GB/mo
Unlimited teams for collaboration
Advanced Enterprise
Contact sales
Flexible deployment options
Enterprise
Contact sales
HIPAA compliant option · Single tenant option with choice of region
Pricing timeline16 changes since Jan 2021
Todaylive prices
Comet plans today
Free Cloud
Free
- data retention: 60 days
- team members: 10 users
- spans per month: 25,000
Agent tracing & analysis · Agent Playground · Ollie coding harness trial · Test Suites & assertions
Open Source
Free
True OSS · Agent tracing & analysis · Agent Playground · usage · Full AI observability & agent testing feature set · Test Suites & assertions
Pro Cloud
$19 /user/mo
- data retention: 60 days
- team members: 50 users
- spans per month: 100,000
Customizable data retention periods · Customizable monthly span limits
Enterprise
Contact sales
Single sign-on · Flexible deployments · team members · Dedicated support and SLAs · SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance · Service accounts and view-only users
Pricing timeline11 changes since Jul 2022
Todaylive prices
Weights & Biases recent price changes
Weights & Biases change log
| When | Event | What changed |
|---|---|---|
| 2026-07-14 | Plan added | Advanced Enterprise |
Comet recent price changes
Comet change log
| When | Event | What changed |
|---|---|---|
| 2026-03-04 | Limit changed | Free · Team members: 0 → 1 users |
| 2026-03-04 | Limit changed | Pro · Team members: 0 → 10 users |
Frequently asked questions
Which is cheaper, Weights & Biases or Comet?
Entry pricing for Weights & Biases starts at $60/mo, while Comet entry pricing starts at $19/mo. Check the interactive timeline chart above to compare plan features and seat pricing side by side.
How frequently do Weights & Biases and Comet adjust their prices?
SaasTrack has logged 200 price modifications for Weights & Biases since 2021 and 105 price modifications for Comet since 2022.
Can I track future price increases for Weights & Biases and Comet?
Yes, creating a free account on SaasTrack allows you to set automated watchlist alerts whenever Weights & Biases, Comet, or other competitors update their plans.
Are historical price change logs free to view for Weights & Biases vs Comet?
Yes! All historical pricing charts, active plan feature breakdowns, and change logs for both Weights & Biases and Comet are 100% free to view on SaasTrack without creating an account.
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