Accessibility
Accessibility Alt-Text Generator
Generate descriptive, contextually appropriate alt-text for images to support WCAG 2.1 AA compliance. GeraLens produces short-form alt text (for img attributes), long-form descriptions (for complex charts and infographics), and structured captions for screen-reader narration. Sampled outputs are reviewed through GeraWitness to maintain quality above 95%.
Accuracy
Human rating 4.2/5 average on contextual accuracy
Latency
<700ms per image
Use cases
- Bulk alt-text generation for image libraries
- CMS integration for new content uploads
- Social media image accessibility
- E-commerce product image descriptions
Gera Systems integration
This capability is wired into GeraWitness (quality sampling) within the Gera Systems platform. It is available via the GeraLens API for third-party integrations.
Start using Accessibility Alt-Text Generator
GeraLens provides this capability via a simple REST API. Join the beta to access it — 1,000 free API calls per month during beta.
Join the betaAccessibility Alt-Text Generator — questions & answers
- How accurate is GeraLens Accessibility Alt-Text Generator?
- Accessibility Alt-Text Generator runs at Human rating 4.2/5 average on contextual accuracy. Accuracy is tracked per class and published rather than averaged into a single headline number.
- How fast is GeraLens Accessibility Alt-Text Generator?
- Typical inference latency is <700ms per image via the GeraLens REST API.
- What can I use GeraLens Accessibility Alt-Text Generator for?
- Common use cases: Bulk alt-text generation for image libraries; CMS integration for new content uploads; Social media image accessibility; E-commerce product image descriptions.
- Which Gera Systems product does Accessibility Alt-Text Generator integrate with?
- Accessibility Alt-Text Generator is wired into GeraWitness (quality sampling) and is also available standalone via the GeraLens API.