Machine Learning Antispam
The Machine Learning Antispam Plugin uses Machine Learning to detect spam and adult content comments and mark them as spam.
Consider an alternative
Machine Learning Antispam shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 12 years ago, and scores 23/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 12 years
- Only tested up to WordPress 3.9 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
![Disable Comments – Remove Comments & Stop Spam [Multi-Site Support]](https://ps.w.org/disable-comments/assets/icon-256x256.png?rev=2509854){kind=icon}
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Machine Learning Antispam stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| comments | >100 |
| machine learning | >100 |
| spam | >100 |
| Text-Analysis | >100 |
Version adoption
Share of active sites per release.
About Machine Learning Antispam
From the official readme · v1.0Description
The Machine Learning Antispam Plugin uses Machine Learning to detect spam and adult content comments and mark them as spam. Additionally it allows you to filter negative comments and keep them pending for approval.
It uses the Datumbox API 1.0v and is compatible with WordPress 3.6v or higher.
To read more about how it works, how it should be configured etc check out the original blog post:
http://blog.datumbox.com/how-to-build-an-intelligent-antispam-wordpress-plugin/
Useful Links
Datumbox Website: http://www.datumbox.com/
Download API Documentation and Code Samples: http://www.datumbox.com/machine-learning-api/
Sign-up for free API Key: http://www.datumbox.com/users/register/
View your API Key: http://www.datumbox.com/apikeys/view/
Installation
This section describes how to install the plugin and get it working.
- Just download the plugin, extract the zip file and move the contained
machine-learning-antispamfolder in your WordPress Plugins folder/wp-content/plugins/. - Go to your Admin Area and activate the plugin through the ‘Plugins’ menu in WordPress
- Finally go to the left menu and select Settings=>Machine Learning Antispam. All you need to do is add your Datumbox API key and select the type of comments that you wish to filter (spam, adult or negative).
Using the plugin requires you to have a Datumbox API key. You can get one for free by signing-up for a Datumbox account. Once you register go to your API Credentials area copy your API Key and paste it in the aforementioned configuration page.
To sign-up for free API Key visit http://www.datumbox.com/users/register/
To view your API Key login to your account and visit http://www.datumbox.com/apikeys/view/
For developers
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Best Machine Learning Antispam alternatives
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FAQ
Machine Learning Antispam: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 4, 2026
Is Machine Learning Antispam free?
Yes. Machine Learning Antispam is free to download and use from the official WordPress.org plugin directory.
Is Machine Learning Antispam safe to use in 2026?
Machine Learning Antispam shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 12 years ago, and scores 23/100 on our health check.
How many websites use Machine Learning Antispam?
Machine Learning Antispam is active on 10+ WordPress websites and has been downloaded 1,957 times since it launched in September 2013. It was downloaded 79 times in the last 30 days.
Does Machine Learning Antispam work with WordPress 7.1?
Machine Learning Antispam is officially tested up to WordPress 3.9.40, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Machine Learning Antispam last updated?
The latest version, 1.0, was released on April 17, 2014 (12 years ago).
Who makes Machine Learning Antispam?
Machine Learning Antispam is developed and maintained by datumbox.
What are the best alternatives to Machine Learning Antispam?
The most popular alternatives to Machine Learning Antispam are Akismet Anti-spam: Spam Pro… (5M+ installs), Disable Comments (1M+ installs) and Antispam Bee (700K+ installs).
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