Free and open first

Best AI Content Moderation Software in 2026

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.

27 apps
Research read 23 Sept 2026
How the order is worked out

1

Azure AI Speech
by Azure AI Speech
Free plan APISelf-hostedWeb

7.5 Free plan Visit site
2

Google Cloud Vision API

Free plan APILinuxMac+2

Cloud Vision API offers several image-analysis functions, with a free monthly allowance and usage-based billing afterward.

7.4 Free plan · paid from $1.50 Visit site
3

Amazon Rekognition Content Moderation

Free plan APIWeb

Amazon Rekognition Content Moderation combines automated image and video analysis with custom adapters and optional human review.

7.3 From $0.01 Visit site
4

Detoxify

Free plan LinuxSelf-hosted

Detoxify provides self-hosted text classification models with multiple model and language options.

7.1 Free plan Visit site
5

LocalMod

Free plan APILinuxSelf-hosted

LocalMod offers a broad set of moderation checks in a self-hosted API, with offline operation and several deployment approaches.

7.0 Free plan Visit site
6

Tisane API

Free plan APILinuxMac+3

Choose Tisane API if your application needs text moderation with explainable decisions, language analysis, or gaming-specific moderation.

7.0 Free plan · paid from $99/mo Visit site
7

Granite Guardian

Free plan APILinuxSelf-hosted

Choose Granite Guardian if you need AI risk scoring across prompts, responses, RAG, or agent function calls, with options for custom criteria.

6.9 Open source Visit site
8

Sightengine

Free plan APISelf-hostedWeb

Sightengine combines media moderation with AI detection and additional checks such as OCR, liveness and age estimation.

6.9 Free plan · paid from $29/mo Visit site
9

Llama Guard

Free plan Self-hosted

Llama Guard provides a configurable safety classification model for self-hosted LLM workflows, with coverage across multiple languages and hazard categories.

6.8 Open source Visit site
10

Moderation API

Free plan APIWeb

Moderation API combines multi-format moderation with custom policies and review workflows.

6.8 Free plan · paid from $79/mo Visit site
11

PicPurify

Free plan APIWeb

Consider PicPurify if you need an image moderation API with a time-unlimited free allowance, multiple moderation categories, and integrations for common development languages.

6.8 Free plan · paid from $19/mo Visit site
12

CleanSpeak

Free trial APILinuxMac+3

CleanSpeak combines configurable filtering, review queues, and moderation automation across several content types. Audio moderation is available, but audio filtering is not.

6.3 Pricing on request · 30-day trial Visit site
13

Besedo

Free trial APIWeb

Besedo combines automated moderation, configurable rules and human review in a cloud service.

6.1 Pricing on request Visit site
14

Alibaba Cloud Content Moderation

Paid APIiPhoneWeb

Choose Alibaba Cloud Content Moderation if your team needs cloud moderation across multiple media types and values custom policies or human review.

5.9 Visit site
15

WebPurify

Free trial AndroidAPIiPhone+2

WebPurify covers several content types, with different workflows and pricing for text and image moderation.

5.8 14-day trial Visit site
16

Clarifai Visual Search

Paid APISelf-hostedWeb

Clarifai Visual Search combines photo-based discovery with API search and several deployment options.

5.7 Visit site
17

OpenAI Moderation API

Free plan

5.7 Free plan Visit site
18

Bodyguard.ai

Paid APIWeb

Choose Bodyguard.ai if you need contextual moderation APIs or social media moderation with audience insights and automated actions.

5.6 From €1,000/mo Visit site
19

Checkstep

Paid APIWeb

Checkstep combines configurable automated moderation with human review and tools for DSA processes.

5.6 Pricing on request Visit site
20

Hive Moderation

Paid APIExtensionWeb

Hive combines multi-format moderation APIs with a dashboard for rules, reports, appeals, and manual review. There is no free plan, and self-serve API access has default request limits.

5.6 Visit site
21

ActiveFence UGC Protection

Paid APIWeb

ActiveFence combines automated detection, threat feeds, moderation tools and human expertise for platforms managing user content.

5.5 Pricing on request Visit site
22

Lasso Moderation

Paid APIWeb

Lasso Moderation covers multiple media types and combines automated detection with human review tools. Lite starts at $99/mo and has monthly item and moderator limits.

5.3 From $99/mo Visit site
23

OpenAI Text-to-Speech

Paid API

OpenAI Text-to-Speech offers API-based speech generation with streaming, multiple formats, and adjustable delivery.

5.0 From $15 Visit site
24

Baidu AI Cloud Content Moderation

Paid Web

Baidu AI Cloud Content Moderation covers multiple media types and supports both custom policies and human review.

4.9 Visit site
25

Utopia AI Moderator

Paid APIWeb

Utopia AI Moderator is a fit for platforms that need tailored moderation across text, images, audio, and video, with real-time decisions and dashboard analytics.

4.7 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

More in AI Tools