Software Development · head to head
Humanloop vs Weights & Biases
Weights & Biases
Machine Learning
Developer tools for machine learning
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Humanloop no published pricing for standard plans; customers must contact sales for quotes; Weights & Biases pricing can be prohibitive for large teams without enterprise discounts
Where they differ
Only the attributes on which Humanloop and Weights & Biases actually diverge.
| Attribute | Humanloop | Weights & Biases |
|---|---|---|
| Pricing model | usage-based | Unknown |
| Platforms | Web | Web, Python SDK, REST API |
| Category | Software Development | Machine Learning |
| Founded | Unknown | 2017 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 Humanloop
Nothing recorded that Weights & Biases does not also cover.
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.
Humanloop
- LLM prompt management and evaluationnot Weights & Biases
- AI workflow automation and testingnot Weights & Biases
- Model monitoring and logging at scalenot Weights & Biases
Weights & Biases
- Machine learningnot Humanloop
- Data analysisnot Humanloop
- Model trainingnot Humanloop
- Predictive analyticsnot Humanloop
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Humanloop
- No published pricing for standard plans; customers must contact sales for quotes
- Billing based on logs created per API call, making costs unpredictable without usage estimates
- Separate charges apply from AI providers (OpenAI, Anthropic, etc.) using customer's own API keys, adding external costs
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
Humanloop
Free- Free TrialFree
- 2 members
- 50 evaluation runs
- 10,000 logs per month
- Startup Program$null/contact-sales
- Tailored pricing for early-stage, VC-backed startups
- Enterprise$null/contact-sales
- Custom pricing
- SSO + SAML authentication
- Role-based access controls
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 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 Humanloop or Weights & Biases better?
- Neither clearly leads. Humanloop 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, Humanloop or Weights & Biases?
- Humanloop starts at Free and Weights & Biases at Free.
- Does Humanloop or Weights & Biases run on more platforms?
- Humanloop runs on Web. Weights & Biases runs on Web, Python SDK, REST API.
- Can I use Humanloop for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Humanloop best used for?
- Humanloop is most often used for llm prompt management and evaluation, ai workflow automation and testing, model monitoring and logging at scale. Of those, llm prompt management and evaluation and ai workflow automation and testing are not what Weights & Biases is typically brought in for.
- What can Humanloop do that Weights & Biases cannot?
- Weights & Biases covers Experiment tracking, Dataset versioning, Model registry, Hyperparameter sweeps.
Answered from the vendors’ own pages
Humanloop: How much does Humanloop cost?
Humanloop offers a free trial with 2 members and 10,000 logs per month. Startup program and Enterprise plans require contacting sales for custom pricing based on usage needs.
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.
SourceHumanloop: What are the limits on Humanloop's free trial plan?
Free trial includes 2 members, 50 evaluation runs, and 10,000 logs per month with access to all features at limited volume.
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.
SourceHumanloop: How is Humanloop usage billed?
Humanloop bills based on logs created per API call to prompts, tools, evaluators, or flows. Separate charges apply from external AI providers like OpenAI and Anthropic using the customer's own API keys.
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.
SourceHumanloop: Does Humanloop offer discounts for nonprofits or academics?
Academic and nonprofit pricing is available upon request, requiring contact with sales for customized rates.
SourceRelated pages
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