Price checkPer seat
FreeFreeTeam$25/user/moEnterpriseCustom
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All Weights & Biases (evals) Plans & Pricing

Plan Monthly Annual Best For
Free
Team
Enterprise
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Free

Team

Enterprise

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What does Weights & Biases (evals) actually cost you?

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Tier
Billing
Your projected cost$625per month · $25/seat × 25seats
Year 1 license$7.5K12 months at this rate
At a glance

List price by tier (annualized, per seat)

Per-seat list price across Weights & Biases (evals)'s plans, annualized. Custom-priced tiers show a hatched bar.

FreeCustom
Team$300/yr
EnterpriseCustom
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.

Compared to other ai observability & evals software, Weights & Biases (evals) is positioned at the budget-friendly price point.

  • 3 documented hidden costs beyond list price
  • Contracts auto-renew — at least three days before the expiration of the current term
  • G2 rating: 4.7 out of 5 from 44 reviews (as of Jul 2026)
Last verified: | Sources: 1 pricing pages and reviews

How much does Weights & Biases (evals) cost?

Weights & Biases (evals) offers 3 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Free (free), Team at $25/user/month, Enterprise (custom pricing).

Weights & Biases (evals) Pricing Overview

Weights & Biases (evals) has 3 pricing plans, including a free tier. Paid plans range from $0 to $25/user/month. The Free plan is free. The Team plan costs $25/user/month. The Enterprise plan requires contacting sales for a custom quote.

Weights & Biases (evals) contracts auto-renew.

There are at least 3 documented hidden costs beyond Weights & Biases (evals)'s list price, including implementation, training, and add-on fees.

This pricing was last verified in June 12, 2026 from 1 independent source.

Try Weights & Biases (evals) Free

Weights & Biases (evals) offers tiered pricing to suit different needs. The Free plan is available at no cost. Paid plans include Team and Enterprise.

How Weights & Biases (evals) Pricing Compares

Compare Weights & Biases (evals) pricing against top alternatives in AI Observability & Evals.

Arize Phoenix $0-$1000/month View pricing → Braintrust $0-$1000/month View pricing → Helicone $0-$2000/month View pricing →

Compare Weights & Biases (evals) vs Alternatives

Before committing to Weights & Biases (evals), compare pricing with these 3 alternatives in the same category.

VSArize Phoenix
Free

Teams wanting self-hosted observability

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VSBraintrust
Free

Solo developers and small evaluations

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VSHelicone
Free

Side projects and evaluation

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All Weights & Biases (evals) alternatives & migration guides

What Companies Actually Pay for Weights & Biases (evals)

Review scores
G2 4.7out of 5 (44)
Third-party review aggregates, as of Jul 2026
Top pricing complaints
The UI can be slow at times, especially with large logs.The tracked-hours pricing model can become expensive when running multiple experiments in parallel.Offline sync is not always reliable after interrupted runs.Some users found the platform overwhelming to get started with due to its many features.

How Weights & Biases (evals) Pricing Compares

Software Starting Price Top Price
Weights & Biases (evals) Free $25/user/month
Arize Phoenix Free $1000/month
Braintrust Free $1000/month
Helicone Free $2000/month
Humanloop Custom Custom
Langfuse Free $2499/month

Browse all AI Observability & Evals pricing →

3 Weights & Biases (evals) Hidden Costs Beyond the List Price

Beyond the listed price, Weights & Biases (evals) has at least 3 documented hidden costs that can significantly increase total cost of ownership.

Watch for 3 hidden costs
  • Usage-based billing
    high 1 source
    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."
  • Self-hosting compliance costs
    medium 1 source
    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."
  • No credit for removed seats
    low 1 source
    industry "Model seats are prorated if added mid-term, but credits are not issued for removed seats."
Tip

Ask your Weights & Biases (evals) sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 3 independent sources
industry Vendr Verified buyer transactions G2 B2B reviews
Key claims include inline source attribution. Data verified against multiple independent sources. 5 source citations total.

Weights & Biases (evals) Contract Terms

Weights & Biases (evals) contracts auto-renew. Changes require at least three days before the expiration of the current term. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice at least three days before the expiration of the current term
Minimum Commitment monthly commitment per user seat for Starter/Pro plans; Enterprise plans are invoiced annually upfront
Price Escalation A buyer reported a price increase from $105/unit to $120/unit, with a target list price of $400/unit.
Based on 1 verified source

How to Negotiate Weights & Biases (evals) Pricing

Weights & Biases (evals) contracts are negotiable. These 1 tactics are sourced from real buyer experiences and procurement specialists.

Negotiation Playbook 1 tactics
Early renewal for price lock high success

Engage in early renewal discussions during supplier price increases to lock in a lower rate before new list prices are applied.

https://vendr.com
High success Medium Low / difficult

Full negotiation guide →

Weights & Biases (evals) Pricing FAQ

01 What is the cheapest paid plan?

The Team plan is the cheapest paid plan, costing $25.0 per user/month.

02 Does Weights & Biases (evals) offer a free plan?

Yes, Weights & Biases (evals) offers a Free plan at $0.0 per user/month.

03 Is there a custom pricing option?

Yes, the Enterprise plan has custom pricing.

Is this pricing incorrect? — we'll verify and update it.