Braintrustvs
Windsurf


Windsurf: The agentic IDE

The active observability platform for agents
As of 29 August 2026, Braintrust is free to use. Evaluation and observability platform for tracing, scoring, and improving AI agents in production. Softwr lists it under Software Development.
Overview
Evaluation and observability platform for tracing, scoring, and improving AI agents in production.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Braintrust.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


Windsurf: The agentic IDE


Zed: Code at the speed of thought


Cursor: The AI-first code editor

Amp: Amp is the frontier agent
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Starter
Free
Pro
$249 /mo
Enterprise
On request
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Braintrust Starter plan is free and includes $10 model credits monthly, 1 GB processed data, 10000 scores monthly, and 14-day data retention with unlimited users and projects. No credit card required.
SourceBraintrust Pro plan costs $249 per month and includes $249 model credits, 5 GB processed data, 50000 scores monthly, and 30-day data retention. Qualifying startups receive 6-12 months free.
SourceBraintrust charges overage rates after monthly allocations: model credits beyond monthly allotment are charged at token rates, data overage is $4 per GB on Starter or $3 per GB on Pro, scores overage is $2.50 per 1000 on Starter or $1.50 per 1000 on Pro. Extended data retention beyond the included period costs $0.50 per GB per month.
SourceKeep looking
Autonomous AI software engineer planning and executing code in its own environment
Automated code review platform for code quality and security scanning.
JavaScript runtime, bundler, test runner and package manager unified in single toolchain
Softwr does not host reviews and shows no star rating for Braintrust, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
Command-line inner loop for Kubernetes: watch, build, push and deploy on every file save
Open source, no licence feeCloud-based static code analysis for detecting bugs, vulnerabilities, and code smells.
freemium