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Altagonist
What it is
Altagonist is a WordPress plugin that generates image alt text from page content and image metadata. It can process hundreds of images at once and supports 70 languages. Choose Lite, Medium, or High: Lite uses image metadata, Medium adds page excerpts, and High uses the full page. Each image uses 1, 2, or 3 credits, respectively. Users can set automatic generation for image uploads, including a default language and quality level, then edit generated text in the WordPress media library. JPEG, PNG, GIF, and WebP are supported natively; SVG, AVIF, TIFF, and BMP are converted automatically. The documentation says images are processed in real time and discarded rather than stored. All plans support multiple WordPress sites, with credits shared under the same license key. The free plan includes 50 credits per month, up to 50 alt tags, all languages, and all quality tiers. Paid plans are listed as Coming Soon.
For and against
For
- Processes hundreds of WordPress images at once
- Supports alt text in 70 languages
- Automatic generation can run on image upload
- Generated tags can be edited in the media library
- Free plan includes 50 monthly credits
Against
- Paid plans are listed as Coming Soon
- Unused credits do not roll over
- Higher quality tiers use more credits per image
The verdict
Altagonist offers batch and upload-triggered alt text generation with adjustable content depth and language. The free plan provides 50 monthly credits; paid tiers are not yet available.
Who it suits
Altagonist suits WordPress site owners who want to generate alt text in batches or automatically on upload. Its 70-language support and editable output may also suit teams maintaining images across multiple sites.
Plans and prices
Free
50 credits/month · all 70 languages · all quality tiers
Read 15 Oct 2026 · altagonist.com
Personal
200 credits/month · all 70 languages · all quality tiers · Coming Soon
Read 15 Oct 2026 · altagonist.com
Pro
500 credits/month · all 70 languages · all quality tiers · Coming Soon
Read 15 Oct 2026 · altagonist.com
Agency
2,500 credits/month · all 70 languages · all quality tiers · Coming Soon
Read 15 Oct 2026 · altagonist.com
On the record
- API and SDK documentation
- The official documentation explains API use inside the plugin but provides no public endpoint reference or SDK instructions.altagonist.com · read 15 Oct 2026
- Auto-generation
- Users can enable automatic alt tag generation when images are uploaded and configure its default language and quality level.altagonist.com · read 8 Oct 2026
- Automatic upload tagging
- An option can generate alt tags automatically whenever new images are uploaded.altagonist.com · read 15 Oct 2026
- Bulk generation
- The plugin can process hundreds of WordPress images at once.altagonist.com · read 8 Oct 2026
- Bulk processing
- Users can select multiple media-library images and process them together.altagonist.com · read 15 Oct 2026
- Computer vision
- The WordPress directory describes the product as using computer vision for AI alt-tag generation.wordpress.org · read 15 Oct 2026
- Context-aware generation
- The generator can use the site name, page content and image metadata when creating descriptions.altagonist.com · read 15 Oct 2026
- Credit costs
- Lite costs one credit per image, Medium costs two, and High costs three.altagonist.com · read 15 Oct 2026
- Credit expiry
- Unused credits do not roll over; free credits reset monthly and paid credits reset on the billing anniversary.altagonist.com · read 15 Oct 2026
- Credit renewal
- Free credits reset on the first of each month, paid credits reset on the billing anniversary, and unused credits do not roll over.altagonist.com · read 8 Oct 2026
- Developer presence
- The WordPress profile says the altagonist account joined in March 2026 and maintains one plugin with 40-plus active installs.profiles.wordpress.org · read 15 Oct 2026
- Documentation depth
- The official documentation covers installation, licensing, languages, generation modes, credits, troubleshooting and FAQs.altagonist.com · read 15 Oct 2026
- External API
- The plugin sends image information and selected context to the Altagonist API when generation is triggered.wordpress.org · read 15 Oct 2026
- Image formats
- JPEG, PNG, GIF and WebP are handled natively, while SVG, AVIF, TIFF and BMP are converted automatically.wordpress.org · read 15 Oct 2026
- Image handling
- The documentation says images are processed in real time and immediately discarded without being stored.altagonist.com · read 8 Oct 2026
- Image retention
- The documentation says images are processed in real time and immediately discarded.altagonist.com · read 15 Oct 2026
- Independent activity
- WP Hive reports 220 total downloads, 20 active installations, zero support threads and zero ratings for Altagonist.wphive.com · read 15 Oct 2026
- Independent compatibility test
- WP Hive reports successful activation without PHP errors, JavaScript issues or resource errors in its automated tests.wphive.com · read 15 Oct 2026
