AI evaluation and expert data

We find where AI systems fail, and help make them better.

East Gate Labs evaluates advanced AI models and agents through custom benchmarks, expert review and real-world testing, then turns what we find into data you can use to improve them.

AI evaluationAgent evaluationExpert dataPost-trainingApplied AI research
The evaluation gap

Benchmarks tell you how a model scores. We tell you how it actually behaves.

Public benchmarks miss your use case

They rarely reflect your users, your data or the workflows your system runs in production.

Automated judges overlook subtle errors

LLM-as-a-judge scoring often misses mistakes only a domain specialist would catch.

In-house evaluation teams are expensive

Hiring and keeping a dedicated evaluation function takes time most AI teams don't have.

Generic annotators lack depth

Large crowd networks seldom have the specialist expertise that hard tasks demand.

East Gate Labs combines automated evaluation infrastructure with carefully selected domain experts, so AI systems are tested against the conditions that actually matter.

What we do

From finding failures to fixing them.

Four connected services. Each one stands on its own, and together they form a single improvement loop.

AI and agent evaluation

Custom evaluation environments built around your actual model, agent, workflow and the ways it is most likely to fail.

Custom benchmarksAgent evaluationModel comparisonRegression testingFailure analysisReasoning evaluation
Available now. Our core engagement.

Expert evaluation

Domain specialists review outputs wherever automated scoring isn't enough. We start with a tightly managed regional network, which lets us vet and quality-control every reviewer before scaling internationally.

Available now. Matched per domain.

Training and improvement data

Every failure we find becomes something you can train on.

Expert correctionsPreference dataTraining examplesValidated synthetic dataEvaluation datasets
Available now. Built from your findings.

Post-training and continuous evaluation

Evaluation shouldn't end in a PDF. We close the loop so each round of feedback is measured against the last.

Evaluate›Find failures›Generate feedback›Improve›Re-evaluate
Expanding. Rolling out with early partners.
Our method

Six steps, one continuous loop.

Every engagement follows the same path, from understanding your system to proving that a fix actually worked.

  1. 01

    Understand

    Define the model, the production use case and the failure modes that matter most.

  2. 02

    Design

    Build evaluation scenarios and clear success criteria.

  3. 03

    Evaluate

    Run models and agents through automated and expert-reviewed testing.

  4. 04

    Diagnose

    Identify systematic failures, edge cases and capability gaps.

  5. 05

    Improve

    Generate expert feedback, datasets and post-training inputs.

  6. 06

    Re-evaluate

    Measure whether the change actually improved performance, then start the next cycle.

This loop is also the architecture of the platform we're building, so the process you work with today is the one it will automate.

Research

Independent research into how AI systems reason and fail.

We study how increasingly capable AI systems reason, fail, adapt and interact with real-world information, and publish what we learn.

STUDY 001In progress

When "I don't know" is the correct answer

Testing whether frontier AI models can recognize when the available evidence is insufficient to reach a scientifically valid conclusion.

Get the results when published
Expert network

Expert intelligence, not generic annotation.

AI evaluation increasingly needs expertise that automated systems can't reliably reproduce. We build evaluation teams from vetted specialists, matched to the domain and difficulty of each task.

Software engineering Mathematics Physics and science Healthcare Finance Legal Cybersecurity Business and operations

Starting regionally.
Scaling globally.

Starting with a regional network isn't a limit on where we work. It's how we control quality: we know every reviewer, so we can stand behind every judgment they make.

  • Vetted individuallyCredentials and domain skill are tested before anyone reviews client work.
  • Matched to the taskReviewers are assigned by domain and difficulty, never treated as interchangeable.
  • Managed directlyOur own team oversees review quality, with no subcontracted marketplace in between.
Why East Gate Labs

Built to find what others miss.

Research-led evaluation

We design experiments around your failure modes instead of running generic benchmarks.

Expert quality

Specialists are vetted and matched by domain competence, not pooled as interchangeable annotators.

From evaluation to improvement

Findings become expert feedback, datasets, training inputs and the next evaluation cycle.

Founder-led execution

You work directly with the people designing your evaluation system, not an account manager.

Who we work with

Built for teams pushing AI into production.

AI startups

Teams building models, agents and vertical AI products.

Model and agent developers

Teams that need custom capability and reliability testing.

Enterprise AI teams

Organizations deploying AI into high-value internal or customer-facing workflows.

AI infrastructure companies

Companies building tooling for training, orchestration or deployment.

Current focus SoftwareFinanceHealthcareScienceLegalCybersecurity and any domain where expertise decides the answer.
Work with us

Have an AI system you need to trust?

Tell us what you're building and what you need to measure. We'll help design an evaluation around it.

Every message is read by a founder

Pick what you need, tell us about your system, and press send.