Best AI Sentiment Analysis Software in 2026
Updated
In short: Twilio Segment is ranked #1 of 22 as of 5 October 2026, ahead of InfoNgen and Nextiva. The best-ranked option with a free plan is InfoNgen. The lowest first paid tier on this page is Twilio Conversation Intelligence at $0.01/mo.
AI sentiment analysis software helps you examine opinions and emotional signals in supported inputs. Compared on aspect-based sentiment, emotion detection, and custom categories, the entries offer criteria for identifying the kinds of signals relevant to your work. Also compare API access, real-time analysis, and supported languages, along with free-plan availability and paid-from pricing. Twilio Segment, InfoNgen, and Nextiva are among the named options. Consider what feedback you need to analyze, which languages it involves, and whether the listed analysis and access features suit your use.
22 AI sentiment analysis software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
22ranked
6free plans on this page
$0.01/molowest paid tier
5 Oct 2026last checked
Input list AI Sentiment Analysis Software 22 channels on this page · 48 of 176 spec lines stated by the makers
Ch Tool Free planPaid fromEmotion detectionAspect-based sentimentCustom categoriesAPI accessReal-time analysisSupported languages Spec sheet Score
01 Twilio Segment Free plannot statedPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 0/8spec lines stated 7.7
02 InfoNgen Free planYesPaid fromnot statedEmotion detectionnot statedAspect-based sentimentYesCustom categoriesYesAPI accessYesReal-time analysisYesSupported languagesnot stated 5/8spec lines stated 7.3
03 Nextiva Free plannot statedPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 0/8spec lines stated 7.2
04 Symbl.ai Free planYesPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 1/8spec lines stated 7.2
05 NLP Cloud Free planYesPaid fromnot statedEmotion detectionYesAspect-based sentimentYesCustom categoriesYesAPI accessYesReal-time analysisnot statedSupported languagesnot stated 5/8spec lines stated 7.0
06 RightResponse AI Free planNoPaid from$10/moEmotion detectionnot statedAspect-based sentimentYesCustom categoriesYesAPI accessYesReal-time analysisnot statedSupported languagesnot stated 5/8spec lines stated 6.9
07 Sentriment Free planYesPaid fromnot statedEmotion detectionYesAspect-based sentimentYesCustom categoriesnot statedAPI accessYesReal-time analysisYesSupported languagesnot stated 5/8spec lines stated 6.9
08 Affective AI Free planNoPaid fromnot statedEmotion detectionYesAspect-based sentimentnot statedCustom categoriesnot statedAPI accessYesReal-time analysisYesSupported languagesnot stated 4/8spec lines stated 6.8
09 Alchemer Free planYesPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessYesReal-time analysisnot statedSupported languagesnot stated 2/8spec lines stated 6.8
10 Bazaarvoice Ratings & Reviews Free plannot statedPaid fromnot statedEmotion detectionYesAspect-based sentimentYesCustom categoriesnot statedAPI accessYesReal-time analysisnot statedSupported languagesnot stated 3/8spec lines stated 6.6
11 Sentimento Free planNoPaid from$19/moEmotion detectionnot statedAspect-based sentimentYesCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 3/8spec lines stated 6.6
12 Symanto Free plannot statedPaid fromnot statedEmotion detectionYesAspect-based sentimentYesCustom categoriesYesAPI accessYesReal-time analysisnot statedSupported languagesnot stated 4/8spec lines stated 6.6
13 Cauliflower Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentYesCustom categoriesYesAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 3/8spec lines stated 6.5
14 Talkdesk CX Cloud Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 1/8spec lines stated 6.5
15 Twilio Conversation Intelligence Free plannot statedPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 0/8spec lines stated 6.4
16 Thematic Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessYesReal-time analysisnot statedSupported languagesnot stated 2/8spec lines stated 6.3
17 Talkdesk Interaction Analytics Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 1/8spec lines stated 6.2
18 OpenText Contact Center Analytics Free plannot statedPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 0/8spec lines stated 5.4
19 unitQ Research Free planNoPaid from$99/moEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 2/8spec lines stated 5.4
20 Wonderflow Free plannot statedPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 0/8spec lines stated 5.4
21 Cresta Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 1/8spec lines stated 5.2
22 SentiSum Free planNoPaid fromnot statedEmotion detectionnot statedAspect-based sentimentnot statedCustom categoriesnot statedAPI accessnot statedReal-time analysisnot statedSupported languagesnot stated 1/8spec lines stated 5.1
Compare all 22 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Emotion detection | Aspect-based sentiment |
|---|---|---|---|---|---|---|---|---|
| 1 | Twilio Segment | 7.7 | Free plan | $120/mo | — | — | — | — |
| 2 | InfoNgen | 7.3 | Free plan | Free | Yes | — | — | Yes |
| 3 | Nextiva | 7.2 | No | $15/mo | — | — | — | — |
| 4 | Symbl.ai | 7.2 | Free plan | Free | Yes | — | — | — |
| 5 | NLP Cloud | 7.0 | Free plan | Free | Yes | — | Yes | Yes |
| 6 | RightResponse AI | 6.9 | No | $10/mo | No | 10 /mo | — | Yes |
| 7 | Sentriment | 6.9 | Free plan | €49/mo | Yes | — | Yes | Yes |
| 8 | Affective AI | 6.8 | No | £99/mo | No | — | Yes | — |
| 9 | Alchemer | 6.8 | Free plan | Free | Yes | — | — | — |
| 10 | Bazaarvoice Ratings & Reviews | 6.6 | No | — | — | — | Yes | Yes |
| 11 | Sentimento | 6.6 | No | $19/mo | No | 19 /mo | — | Yes |
| 12 | Symanto | 6.6 | No | — | — | — | Yes | Yes |
| 13 | Cauliflower | 6.5 | No | €79/mo | No | — | — | Yes |
| 14 | Talkdesk CX Cloud | 6.5 | No | $85/mo | No | — | — | — |
| 15 | Twilio Conversation Intelligence | 6.4 | No | $0.01/mo | — | — | — | — |
| 16 | Thematic | 6.3 | No | $2083.33/mo | No | — | — | — |
| 17 | Talkdesk Interaction Analytics | 6.2 | No | $85/mo | No | — | — | — |
| 18 | OpenText Contact Center Analytics | 5.4 | No | — | — | — | — | — |
| 19 | unitQ Research | 5.4 | No | — | No | 99 /mo | — | — |
| 20 | Wonderflow | 5.4 | No | — | — | — | — | — |
| 21 | Cresta | 5.2 | No | — | No | — | — | — |
| 22 | SentiSum | 5.1 | No | $8333.33/mo | No | — | — | — |
Is your tool 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 sentiment analysis software is ranked first on Specifiction?
Twilio Segment is ranked #1 of 22 with a score of 7.7. InfoNgen is second and Nextiva third.
How many of these have a free plan?
6 of the 22 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Twilio Conversation Intelligence has the lowest first paid tier we found: $0.01/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.