Quick Answer
Last verified:
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Braintrust costs Free to $1K per month as of April 2026, with 3 plans available including a free tier. Plans: Starter (free), and Pro at $249/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

Braintrust offers 3 pricing tiers: Starter, Pro, Enterprise. A free plan is available. Paid plans include Pro at $249/month. The Pro plan is teams running production evals.

Compared to other ai observability & evals software, Braintrust is positioned at the premium price point.

  • 1 documented hidden costs beyond list price

How much does Braintrust cost?

Braintrust offers 3 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Starter (free), Pro at $249/month, Enterprise (custom pricing).

Braintrust Pricing Overview

Braintrust has 3 pricing plans, including a free tier. Paid plans range from $0 to $1,000/month. The Starter plan is free and is best for solo developers and small evaluations. The Pro plan costs $249/month, best for teams running production evals. The Enterprise plan requires contacting sales for a custom quote and is designed for large orgs with regulated data.

There are at least 1 documented hidden costs beyond Braintrust's list price, including implementation, training, and add-on fees.

This pricing was last verified in April 23, 2026.

Braintrust pricing starts with a permanently free Starter plan at $0/month, suitable for individual developers and small teams building and evaluating LLM applications. Teams requiring additional features or capacity can upgrade to the Pro plan at $249/month. Enterprise pricing is custom-quoted for organizations needing advanced security, compliance, or scale.

How Braintrust Pricing Compares

Compare Braintrust pricing against top alternatives in AI Observability & Evals.

All Braintrust Plans & Pricing

Plan Monthly Annual Best For
Starter Free Free Solo developers and small evaluations
Pro $249 /month $249 /year Teams running production evals
Enterprise Contact Sales Contact Sales Large orgs with regulated data
View all features by plan

Starter

  • 1 GB processed data included
  • 10k scores included
  • Unlimited users
  • Unlimited projects

Pro

  • 5 GB processed data included
  • 50k scores included
  • Unlimited users
  • Priority support

Enterprise

  • Custom data and score limits
  • SSO/SAML
  • SOC2
  • Dedicated support
  • VPC deployment

Usage-Based Rates

Per-unit pricing for Braintrust API usage.

Starter

Item Dimension Unit Rate
processed-data storage GB $4.00
score request 1k scores $2.50

Pro

Item Dimension Unit Rate
processed-data storage GB $3.00
score request 1k scores $1.50

Compare Braintrust vs Alternatives

Before committing to Braintrust, compare pricing with these 3 alternatives in the same category.

All Braintrust alternatives & migration guides

What Companies Actually Pay for Braintrust

Review scores
Top pricing complaints
Sales team is reportedly reluctant to discuss pricing details, described as 'offstandish' by at least one team evaluating alternatives

Braintrust Year 1 Total Cost by Company Size

Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.

Solo Developer or Small Team $0 Year 1 total

An individual developer or small team using the free Starter plan for LLM evaluation and prompt management, with no monthly cost.

Growing AI Team on Pro $249 Year 1 total
$2,988/year
Total $249

A team that has outgrown the Starter plan and needs Pro plan features and capacity.

Enterprise Deployment Custom — contact sales Year 1 total

A large organization requiring advanced security, compliance, or scale features on the Enterprise plan. Pricing requires contacting sales.

Current tier data

How Braintrust Pricing Compares

Software Starting Price Top Price
Braintrust Free $1000/month
Arize Phoenix Free $1000/month
Helicone Free $2000/month
Humanloop Custom Custom
Langfuse Free $2499/month
LangSmith Free $500/seat/month + per trace

1 Braintrust Hidden Costs Beyond the List Price

Beyond the listed price, Braintrust has at least 1 documented hidden costs that can significantly increase total cost of ownership.

Watch for 1 hidden costs
  • Opaque Enterprise Pricing 5-15% of license costs
    medium 1 source
    Reddit "Braintrust, who has been so very offstandish on discussing sales/pricing, which is a turnoff for us."
Tip

Ask your Braintrust 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 1 independent sources
Reddit User discussions
Key claims include inline source attribution. Data verified against multiple independent sources. 3 source citations total.

How to Negotiate Braintrust Pricing

Braintrust contracts are negotiable. These 2 tactics are sourced from real buyer experiences and procurement specialists.

Negotiation Playbook 2 tactics
Leverage Direct Competitors medium success

LangSmith and LangFuse are frequently cited as direct alternatives to Braintrust. Entering negotiations with documented competing offers from these tools may encourage Braintrust's sales team to be more forthcoming on Enterprise pricing and discounts, since users report the team is otherwise slow to discuss pricing proactively.

reddit
Escalate Beyond Standard Sales Channels low success

At least one team reported Braintrust's sales team is reluctant to engage on pricing details. If direct outreach stalls, try reaching out through technical communities or finding an internal champion at Braintrust via developer Slack/Discord channels where their team is active.

Reddit r/LLMDevs (2025-01-30)

Full negotiation guide →

Braintrust Pricing FAQ

01 Does Braintrust have a free plan?

Yes. The Starter plan is permanently free at $0/month. For teams needing more capacity or features, the Pro plan is $249/month. Enterprise pricing is custom-quoted.

02 How transparent is Braintrust's Enterprise pricing?

The Starter ($0/month) and Pro ($249/month) plan prices are publicly listed. However, at least one team reported that Braintrust's sales team is "offstandish on discussing sales/pricing," meaning Enterprise pricing typically requires going through a formal sales conversation rather than being available on the website.

03 How does Braintrust pricing compare to LangSmith or LangFuse?

All three platforms offer free tiers. LangSmith and LangFuse have paid tiers in the approximately $40–$100/month range. Braintrust's Pro plan is $249/month, with Enterprise pricing custom-quoted. For teams on a budget, LangSmith and LangFuse may offer lower entry costs at the paid tier.

04 How much does Braintrust Pro cost?

The Pro plan costs $249/month. This is the single paid self-serve tier above the free Starter plan. Enterprise pricing is custom-quoted and requires contacting Braintrust's sales team directly.

05 Is Braintrust pricing transparent?

The Starter ($0/month) and Pro ($249/month) plans are publicly listed. Enterprise pricing is not published. At least one team evaluating Braintrust reported the sales team was reluctant to discuss pricing details before committing, which led them to consider alternatives.

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