Quick Answer
Last verified:
High confidence

Weights & Biases (evals) costs Free to $25 per user/month as of July 2026, with 3 plans available including a free tier. Plans: Free (free), and Team at $25/user/month. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Weights & Biases (evals) offers 3 pricing tiers: Free, Team, Enterprise. A free plan is available. Paid plans include Team at $25/user/month.

Last verified: | Sources: 1 pricing pages and reviews
Know Before You Buy — Try Weights & Biases (evals) Free

Weights & Biases (evals) lists $0-$25/user/month, but hidden costs like implementation and support add to the total as of July 2026. Key hidden costs: usage-based billing, self-hosting compliance costs, no credit for removed seats. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Usage-based billing

high overage

Weave data ingestion, W&B Inference, and storage for Pro plans are billed based on usage, which can lead to variable and potentially higher costs if not carefully monitored.

industry

Usage-based billing: For Pro plans, Weave data ingestion, W&B Inference, and storage are billed based on usage, which can lead to variable and potentially higher costs if not carefully monitored.

2

Self-hosting compliance costs

medium compliance

A self-hosted instance for HIPAA compliance was quoted at $200/user/month, indicating a higher cost than cloud plans for specific regulatory needs.

industry

A buyer reported being quoted $200/user/month for a self-hosted instance due to HIPAA compliance requirements, which is higher than the cloud plan.

3

No credit for removed seats

low overage

Credits are not issued for removed user seats, meaning payment continues for unused seats if removed mid-term.

industry

Model seats are prorated if added mid-term, but credits are not issued for removed seats.

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