Best AI Sentiment Analysis Software in 2026

When you need to interpret opinions in text or other supported inputs, sentiment analysis software can help surface the signals that matter to your work. Compared on aspect-based sentiment, emotion detection and custom categories, these options also differ across API access, real-time analysis and supported languages. Free-plan availability and paid-from pricing provide additional comparison points. Alchemer, Sentriment and InfoNgen are among the tools shown. Consider which sentiment dimensions you need to identify, the languages your audience uses, and whether real-time processing or API access fits the systems where analysis will happen.

22ranked
6free plans on this page
$0.01/molowest paid tier
11 Oct 2026last checked

AI Sentiment Analysis Software, one module each.A lit port is something its maker publishes; 14 of 14 with a known API signal have a public API.

  1. 01 Alchemer API yesFREE yesDOCS 7.4Free
  2. 02 Sentriment API yesFREE yesDOCS 7.3€49/mo
  3. 03 InfoNgen API yesFREE yesDOCS 7.2Free
  4. 04 Symbl.ai API yesFREE yesDOCS 7.2Free
  5. 05 Wonderflow API yesDOCS 6.9
  6. 06 Bazaarvoice Ratings & Reviews API yesDOCS 6.8
  7. 07 Symanto API yesDOCS 6.8
  8. 08 Affective AI API yesFREE noDOCS 6.7£99/mo
  9. 09 Cauliflower API yesFREE noDOCS 6.7€79/mo
  10. 10 Cresta API yesDOCS 6.6
  11. 11 Sentimento API yesFREE noDOCS 6.6$19/mo
  12. 12 Thematic API yesFREE noDOCS 6.6$2083.33/mo
  13. 13 unitQ Research API yesFREE noDOCS 6.6$99/mo
  14. 14 SentiSum API yesFREE noDOCS 6.5$8333.33/mo
  15. 15 NLP Cloud FREE yesDOCS 5.8Free
  16. 16 Twilio Segment FREE yesDOCS 5.8$120/mo
  17. 17 Twilio Conversation Intelligence FREE yesDOCS 5.5$0.01/mo
  18. 18 Nextiva FREE noDOCS 5.3$15/mo
  19. 19 RightResponse AI FREE noDOCS 5.3$10/mo
  20. 20 Talkdesk CX Cloud FREE noDOCS 5.3$85/mo
  21. 21 Talkdesk Interaction Analytics DOCS 5.2$85/mo
  22. 22 OpenText Contact Center Analytics DOCS 4.9
Compare all 22 in a table
#PlatformScoreFree planFromFree planPaid fromEmotion detectionAspect-based sentiment
1Alchemer7.4Free planYes
2Sentriment7.3Free plan€49/moYesYesYes
3InfoNgen7.2Free planFreeYesYes
4Symbl.ai7.2Free planFreeYes
5Wonderflow6.9
6Bazaarvoice Ratings & Reviews6.8YesYes
7Symanto6.8YesYes
8Affective AI6.7No£99/moNoYes
9Cauliflower6.7No€79/moNoYes
10Cresta6.6No
11Sentimento6.6No$19/moNo19 /moYes
12Thematic6.6No$2083.33/moNo
13unitQ Research6.6No$99/moNo99 /mo
14SentiSum6.5No$8333.33/moNo
15NLP Cloud5.8Free planFreeYesYesYes
16Twilio Segment5.8Free plan$120/mo
17Twilio Conversation Intelligence5.5$0.01/mo
18Nextiva5.3No$15/mo
19RightResponse AI5.3No$10/moNo10 /moYes
20Talkdesk CX Cloud5.3No$85/moNo
21Talkdesk Interaction Analytics5.2$85/moNo
22OpenText Contact Center Analytics4.9

Is your platform on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

More in AI Tools

All AI tools lists