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.

Trusted by

From Series A startups to Fortune 500 companies

What we do

What teams hire us for.

Our focus is on complex software with AI at its core.

  • Agents in production

    Production-grade AI agents that do real work for your users, with the experience and testing to back them up.

    Built for

    Albertsons · Cal.com · Sligo AI

  • End-to-end product development

    New products and major, novel features, built from scratch alongside your team and in your codebase.

    Built for

    Gumloop · E2B · Graphite

  • 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 for

    A Series B company in stealth

How it works

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.

  1. Call

    Thirty minutes with a founder to determine fit. If we’re not the right team, we’ll tell you.

  2. Scope

    We do our research on your specific challenge and collaborate on a doc that sets clear expectations.

  3. Build

    We join your codebase and Slack and work with your team to ship starting the first week.

  4. Hand off

    We handle documentation and testing so that your team can carry the baton with ease.

Common questions
Pricing

Rubric is an acquihire for one project.

We charge one flat monthly price.

  • 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 call
What clients say

In their words.

  • “Professional executors who came in, crushed the task and handed it off gracefully.”
    Max Brodeur-UrbasCEO, Gumloop
  • “They became an organic extension of our engineering team, contributing to our codebase within days.”
    Vasek MlejnskyCEO, E2B
  • “They’re fluent in novel technologies, creative, highly responsive.”
    Merrill LutskyCEO, Graphite
  • “Working with Rubric has been like having a CTO in our back pocket.”
    Mitchell WhiteFounder, Weave
  • “Their knowledge of complex AI solutions is impressive.”
    Daniel BevanCTO, Sligo AI

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 call

Availability

  • Q4 20261 slot open
  • Q1 20272 slots open
Newsletter

The Grid

What we’re learning about building with AI. Two short emails a month.