Best AI Content Moderation Software in 2026
Updated
In short: Google Cloud Vision API is ranked #1 of 23 as of 5 October 2026, ahead of WebPurify and Amazon Rekognition Content Moderation. The best-ranked option with a free plan is Amazon Rekognition Content Moderation. The lowest first paid tier on this page is Alibaba Cloud Content Moderation at $0.09/mo.
Moderation needs can vary with the media your service handles and the policies you want to apply. Compare text, image, audio, and video moderation, along with custom policies and human review workflow. Deployment options help frame how an entry can be used, while free plans and paid starting prices offer points of comparison for access and cost. Google Cloud Vision API, WebPurify, and Amazon Rekognition Content Moderation are among the named options. Weigh the content types and review processes relevant to your work.
23 AI content moderation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
6 of the 23 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | Google Cloud Vision APIWeb · Windows · Mac · Linux · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | WebPurifyWeb · Android · iPhone · Self-hosted · API | Three bars | — | 3 of 6 | $5/mo | 6.6 | |
| 3 | Amazon Rekognition Content ModerationWeb · API | Two bars | — | 1 of 6 | $0.10/mo | 6.4 | |
| 4 | Hive ModerationWeb · API · Extension | Two bars | — | 1 of 6 | — | 6.4 | |
| 5 | SightengineWeb · API | Two bars | — | 1 of 6 | $29/mo | 6.4 | |
| 6 | Llama GuardSelf-hosted | Two bars | — | 0 of 6 | Free | 6.3 | |
| 7 | BesedoWeb · API | One bar | — | — | 1 of 6 | — | 5.4 |
| 8 | Moderation APIWeb · API | One bar | — | — | 1 of 6 | $79/mo | 5.4 |
| 9 | CleanSpeakWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | — | 5.3 |
| 10 | OpenAI Text-to-SpeechAPI | One bar | — | — | 0 of 6 | $0.60/mo | 5.3 |
| 11 | Tisane APIWindows · Linux | One bar | — | — | 2 of 6 | — | 5.3 |
| 12 | ActiveFence UGC ProtectionWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 13 | DetoxifyNo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
| 14 | PicPurifyWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 15 | Utopia AI ModeratorWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 16 | Granite GuardianNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 17 | LocalModNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 18 | Alibaba Cloud Content ModerationWeb | One bar | — | — | 1 of 6 | $0.09/mo | 5.0 |
| 19 | Baidu AI Cloud Content ModerationWeb | One bar | — | — | 1 of 6 | — | 5.0 |
| 20 | Bodyguard.aiWeb · API | One bar | — | — | 1 of 6 | €1,000/mo | 5.0 |
| 21 | CheckstepWeb · API | One bar | — | — | 1 of 6 | $124.92/mo | 5.0 |
| 22 | Clarifai Visual SearchWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 5.0 |
| 23 | Lasso ModerationWeb · API | One bar | — | — | 1 of 6 | $99/mo | 5.0 |
Compare all 23 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Text moderation | Image moderation |
|---|---|---|---|---|---|---|---|---|
| 1 | Google Cloud Vision API | 6.6 | Free plan | Free | Yes | — | No | Yes |
| 2 | WebPurify | 6.6 | No | $5/mo | No | — | Yes | Yes |
| 3 | Amazon Rekognition Content Moderation | 6.4 | Free plan | $0.10/mo | No | — | No | Yes |
| 4 | Hive Moderation | 6.4 | No | — | No | — | Yes | Yes |
| 5 | Sightengine | 6.4 | Free plan | $29/mo | Yes | 29 /mo | Yes | Yes |
| 6 | Llama Guard | 6.3 | Free plan | Free | — | — | Yes | Yes |
| 7 | Besedo | 5.4 | No | — | — | — | Yes | Yes |
| 8 | Moderation API | 5.4 | No | $79/mo | Yes | 79 /mo | Yes | Yes |
| 9 | CleanSpeak | 5.3 | No | — | No | — | Yes | Yes |
| 10 | OpenAI Text-to-Speech | 5.3 | No | $0.60/mo | Yes | — | Yes | Yes |
| 11 | Tisane API | 5.3 | No | — | Yes | 99 /mo | Yes | No |
| 12 | ActiveFence UGC Protection | 5.2 | No | — | — | — | Yes | Yes |
| 13 | Detoxify | 5.2 | No | — | Yes | — | Yes | No |
| 14 | PicPurify | 5.2 | No | — | Yes | 19 /mo | No | Yes |
| 15 | Utopia AI Moderator | 5.2 | No | — | — | — | Yes | Yes |
| 16 | Granite Guardian | 5.1 | No | — | — | — | Yes | — |
| 17 | LocalMod | 5.1 | No | — | Yes | — | Yes | Yes |
| 18 | Alibaba Cloud Content Moderation | 5.0 | No | $0.09/mo | No | — | Yes | Yes |
| 19 | Baidu AI Cloud Content Moderation | 5.0 | No | — | No | — | Yes | Yes |
| 20 | Bodyguard.ai | 5.0 | No | €1,000/mo | — | — | Yes | Yes |
| 21 | Checkstep | 5.0 | No | $124.92/mo | — | — | Yes | Yes |
| 22 | Clarifai Visual Search | 5.0 | No | — | No | — | — | — |
| 23 | Lasso Moderation | 5.0 | No | $99/mo | No | 99 /mo | Yes | Yes |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which AI content moderation software is ranked first on Freedom251?
Google Cloud Vision API is ranked #1 of 23 with a score of 6.6. WebPurify is second and Amazon Rekognition Content Moderation third.
How many of these have a free plan?
4 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Alibaba Cloud Content Moderation has the lowest first paid tier we found: $0.09/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.