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ZenxData

Service

Multimodal AI

Annotation and evaluation across image, video, audio and text — including OCR, VQA and cross-modal reasoning.

How We Evaluate

Problems we solve

When teams bring us in

  • Vision or multimodal models need reliable labeled data.
  • Cross-modal reasoning quality is untested.
  • OCR or VQA output accuracy is unknown on real inputs.

What you receive

Deliverables

  • Annotated image / video datasets
  • Multimodal evaluation sets and rubrics
  • Accuracy and failure-mode reports
  • Edge-case collections

What we do

Capabilities

  • Image Annotation
  • Video Annotation
  • Image Evaluation
  • Video Evaluation
  • Text + Image Evaluation
  • Audio + Text Evaluation
  • Multimodal Model Testing
  • OCR Evaluation
  • Computer Vision Evaluation
  • Visual Question Answering Evaluation
  • Cross-Modal Evaluation

Quality

How we keep results reliable

  • Annotation guidelines with examples
  • Calibration tasks
  • Sampled review
  • Agreement metrics
Read our evaluation methodology →

Related programs

Fixed-scope ways to start

Scope your multimodal ai project

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