kitio.aiWeights & Biases vs Traceloop
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Weights & Biases starts at $60/mo and Traceloop starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Experiment tracking
- Hyperparameter sweeps
- Model registry
- Weave LLM tracing
- Reports
- One-line instrumentation
- Built-in quality checks
- Drift monitoring
- Evaluation dashboard
- CI/CD integration
| Feature | Weights & Biases | Traceloop |
|---|---|---|
| Best for | Experiment tracking and LLM observability, now part of CoreWeave | Monitoring and evaluation platform for LLM applications |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $60/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | CoreWeave | Traceloop |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Weights & Biases starts at $60/mo and Traceloop starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Experiment tracking for individuals
- Limited storage
Pro
$60/mo
- Starting price
- Team collaboration features
- Higher usage limits
Enterprise
Contact sales
- SSO and advanced security
- Dedicated support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Weights & Biases
- Industry-standard experiment tracking
- Polished dashboards
- Covers training and LLM apps
- Pricing jumps for larger teams
- Weave ingestion billed by size
- Sign-in moved to CoreWeave
Traceloop
- Free tier includes 50K spans a month
- Quick setup with one line of code
- Ready-made faithfulness and safety checks
- Free tier keeps data for only 24 hours
- Paid tiers not listed on the pricing page
- Future direction tied to ServiceNow deal
Which one should you choose?
Choose Weights & Biases if you want:
- Industry-standard experiment tracking
- Polished dashboards
- Covers training and LLM apps
Watch out: pricing jumps for larger teams.
Choose Traceloop if you want:
- Free tier includes 50K spans a month
- Quick setup with one line of code
- Ready-made faithfulness and safety checks
Watch out: free tier keeps data for only 24 hours.
Weights & Biases vs Traceloop FAQ
What is the difference between Weights & Biases and Traceloop?
Weights & Biases: Experiment tracking and LLM observability, now part of CoreWeave. Traceloop: Monitoring and evaluation platform for LLM applications. Both are models & apis tools.
Is Weights & Biases or Traceloop cheaper?
Weights & Biases starts at $60/mo and Traceloop starts at See pricing page. Check both pricing pages for current plans.
Do Weights & Biases and Traceloop have free plans?
Weights & Biases: Yes. Traceloop: Yes.
Who makes Weights & Biases?
Weights & Biases is made by CoreWeave, based in United States.
Who makes Traceloop?
Traceloop is made by Traceloop.
Which should I choose, Weights & Biases or Traceloop?
Choose Weights & Biases if you value industry-standard experiment tracking and polished dashboards. Choose Traceloop if you value free tier includes 50k spans a month and quick setup with one line of code.