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ZenxData

Core capability

AI Evaluation & Benchmarking

Measure what matters. Custom benchmarks, golden sets, rubric design and human preference evaluation that show exactly how your models perform — and where they fail.

How We Evaluate

Problems we solve

When teams bring us in

  • Public benchmarks do not reflect your product, users or domain.
  • You cannot tell whether a new model or prompt is actually better.
  • RAG, search or agent quality is judged by anecdote instead of evidence.

What you receive

Deliverables

  • Custom benchmark and golden set built around your use case
  • Evaluation rubric with scoring definitions
  • Model-to-model comparison results with failure categories
  • Evaluation report with prioritized recommendations

What we do

Capabilities

  • LLM Evaluation
  • AI Model Benchmarking
  • Model-to-Model Comparison
  • Human Preference Evaluation
  • Pairwise Ranking
  • Response Quality Evaluation
  • Factuality Evaluation
  • Grounding Evaluation
  • RAG Evaluation
  • Agent Evaluation
  • AI Search Evaluation
  • Recommendation Evaluation
  • Multilingual Evaluation
  • Cultural / Localization Evaluation
  • Regression Testing
  • Continuous Evaluation
  • Custom Benchmark Creation
  • Golden Set Creation
  • Evaluation Rubric Design

Quality

How we keep results reliable

  • Rubric piloting before full runs
  • Evaluator calibration and agreement checks
  • Blind / pairwise comparison where relevant
  • Traceable evidence for each finding
Read our evaluation methodology →

Related programs

Fixed-scope ways to start

Scope your ai evaluation & benchmarking project

Send us what you are building. We will scope the data, evaluation, benchmarking or testing program and come back with a proposal.