AI · alternatives · 2026

24 alternatives to Kairos

Face recognition, emotional analysis

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kairos launched in 2017; newer entries below may have overtaken it.

1. 1
   Kairos▲116

   Facial recognition & mood detection API

   2014 · its alternatives →

2. 2
   Smart People Should Build Things - Brian Brackeen, CEO of Kairos▲72

   On using facial recognition technology to help brands

   2016 · its alternatives →

3. 3
   TrueFace.AI▲303

   A facial recognition API with picture attack detection

   2017 · trueface.ai · its alternatives →

4. 4
   Facesoft▲127

   The world's most accurate face recognition algorithm

   2019 · uzb.cn.com · its alternatives →

5. 5
   DeepFace – A lightweight deep face recognition library for Python▲257

   DeepFace is a leading open-source library for facial recognition and facial attribute analysis, and the de facto standard in Python. It wraps multiple state-of-the-art models that have reached — and even surpassed — human-level accuracy in recognizing faces. By the numbers (as of early 2025): 15,000+ stars on GitHub; ~4 million installations via pip; 800+ citations in academic papers Whether you're building a cutting-edge AI project or simply exploring facial recognition, DeepFace makes advanced capabilities accessible with just a few lines of code.

   2025 · github.com · its alternatives →

6. 6
   Clarifai▲103

   Image recognition API

   2014 · its alternatives →

7. 7
   gesture.ai▲116

   Easy to use gesture recognition technology and SDK

   2016 · gesture.ai · its alternatives →

8. 8
   YOLO▲175

   Real-time object detection

   2017 · pjreddie.com · its alternatives →

9. 9
   WhatTheFIsML▲110

   An illustrated guide to understanding Machine Learning

   2016 · its alternatives →

10. 10
    Kissmetrics - People Search▲90

    Super powerful behavioral segmentation

    2016 · neilpatel.com · its alternatives →

11. 11
    Faceshine▲69

    Determines your age, beauty, race, gender, and emotion

    2015 · its alternatives →

12. 12
    O’Reilly Fundamentals of Deep Learning▲143

    Designing next-generation Artificial intelligence algorithms

    2016 · oreilly.com · its alternatives →

13. 13
    FaceSearch▲5

    Open-source face search engine

    2016 · github.com · its alternatives →

14. 14
    FaceFramer.io▲105

    Discover your photos secrets with AI image analysis

    2024 · bubble.io · its alternatives →

15. 15
    Umoove▲70

    Face and eye tracking for mobile devices/gaming

    2014 · umoove.me · its alternatives →

16. 16
    Moodstocks▲71

    Supersonic image recognition for your mobile apps

    2014 · developers.google.com · its alternatives →

17. 17
    FaceMagic▲8

    Facial editing and analysis

    2017 · facemagic.io · its alternatives →

18. 18
    Deep Learning▲67

    The textbook for modern machine learning

    2016 · amazon.com · its alternatives →

19. 19
    The Human Face of Big Data▲71

    Visualizing the extraordinary Big Data revolution

    2015 · lightshow.lol · its alternatives →

20. 20
    Face symmetry maker▲6

    fun app

    2019 · apps.apple.com · its alternatives →

21. 21
    Face Detection API▲6

    Automatically detect faces and identify people within images

    2015 · its alternatives →

22. 22AF
    A Face-Detection Library in 200 Lines of JavaScript▲36

    2018 · tkv.io · its alternatives →

23. 23
    Emotion Recognition by Microsoft▲11

    Identify emotions communicated by the facial expressions.

    2015 · its alternatives →

24. 24
    TrueFace.AI▲14

    A facial recognition API with picture attack detection

    2018 · trueface.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →