1 slot open in Q4 2026
The team for your hardest problems.
Rubric Labs is a small team of founder-level engineers with our own research lab. We embed within companies to solve your hardest problems and get real products into production.

From Series A startups to Fortune 500 companies
Agents in production
Production-grade AI agents that do real work for your users, with the experience and testing to back them up.
Built forEnd-to-end product development
New products and major, novel features, built from scratch alongside your team and in your codebase.
Model work
Fine-tuning, evals, and small, custom models for when a frontier model is too slow, expensive, or simply not getting the job done.
Built forA Series B company in stealth
What we’ve built.
For Fortune 500 retail, developer platforms, and the startups in between.
- Conversational grocery shopping22grocery brands, from Safeway to Vons
- A dashboard, from backlog to production2 daysfrom kickoff to our first release
- A marketplace for creators1 monthfrom kickoff to launch
- A personal film for every developer100×less storage, keeping scripts instead of video
An extension of your team.
We work directly in your codebase to tackle your hardest problems and leave you with products or features that your team can seamlessly take over.
Call
Thirty minutes with a founder to determine fit. If we’re not the right team, we’ll tell you.
Scope
We do our research on your specific challenge and collaborate on a doc that sets clear expectations.
Build
We join your codebase and Slack and work with your team to ship starting the first week.
Hand off
We handle documentation and testing so that your team can carry the baton with ease.
| Rubric Labs | Typical agency |
|---|---|
| Founder-level engineers | A rotating team behind an account manager |
| Shipping in your codebase within days | Weeks of discovery decks |
| A research lab testing what’s next | Last year’s playbook |
| Built to hand off | Optimized to keep you on a retainer |
- Rubric LabsFounder-level engineersTypical agencyA rotating team behind an account manager
- Rubric LabsShipping in your codebase within daysTypical agencyWeeks of discovery decks
- Rubric LabsA research lab testing what’s nextTypical agencyLast year’s playbook
- Rubric LabsBuilt to hand offTypical agencyOptimized to keep you on a retainer
$40kUSD per month
- A lead engineer, full time in your codebase
- A second engineer on architecture, review, and planning
- A shared Slack channel
- Code, documentation, and tests that you own
1 slot open in Q4 2026
Book a callOur lab is our edge.
We test new models and methods on our own systems first, so that our clients are always getting frontier work.
Inside the Lab- 14 Oct
Can a small model learn UI design from visual feedback?
67.7%of blind judge votes over the untrained model - 29 Sept
Does encrypted compaction use fewer tokens than text summaries?
22%fewer tokens than text summaries - 24 Sept
Can Jev mask personal data better than an LLM?
1.43×GPT-6 Luna’s score on personal-data masking
In their words.
Bring us your hardest problem.
Tell us what you’re working on. You’ll talk with a founder, and we reply to every request within a day.
Book a callAvailability
- Q4 20261 slot open
- Q1 20272 slots open