Side by side
Alta vs AltGen
Both stand on ai alt text generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Alta combines image description generation with a page checker, plus tools for chart content and context-aware output. The Free plan covers limited daily generation, while Pro removes that generation limit and adds bulk processing.
Visit Alta
Free plan APIWeb
AltGen combines image intake, multilingual alt text generation, review, and export with API and webhook options. The Free plan provides a starting point, while larger volumes or custom requirements may call for a paid plan.
Visit AltGenThe facts
| Alta | AltGen | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | API, Web |
| Lowest paid plan | Pro: $29 a year | Pro: $29 a month |
| Plans published | 2 | 3 |
| Maker | Not published | Not published |
| Website | alttext-ai.com | altgen.io |
| On ai alt text generators | #11 of 27 | #7 of 27 |
Alta: what it does well
- Provides contextual descriptions and chart data tables
- Flags unreadable labels rather than guessing
- Free plan includes unlimited page scans
- Pro supports bulk upload and CSV export
What to know first
- Uploads are limited to 4 MB per image
- No free trial is offered
- Human review is still needed
AltGen: what it does well
- Processes batches of up to 5,000 images.
- Generates alt text in up to 30 languages.
- Offers CSV review and export.
- Provides REST API access and webhooks.
- Submitted images and generated content are not used for AI training.
What to know first
- Free includes 26 credits per month.
- Pro includes 2,000 credits per month.
- Custom plan pricing is based on need and not listed.