# The Top 18 Natural Language Understanding (NLU) Software

Check out this list of the top Natural Language Understanding (NLU) Software products based on user satisfaction. A product's satisfaction score is calculated by a[proprietary algorithm](https://sell.g2.com/g2-scoring-methodologies)that factors in real-user satisfaction ratings from review data. Software buyers can compare products according to their satisfaction scores to streamline the buying process and quickly identify the best products based on the experiences of their peers.

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All SegmentsEnterprise ( \>1000 emp.)Mid-Market (51-1000 emp.)Small Business (50 or fewer emp.)All RegionsEuropeAsiaNorth America

The Top 18 Natural Language Understanding (NLU) Software

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All SegmentsEnterprise ( \>1000 emp.)Mid-Market (51-1000 emp.)Small Business (50 or fewer emp.)All RegionsEuropeAsiaNorth America

[Collapse AllExpand All](#)

G2 Satisfaction Score
Information

Compare

[Expand/Collapse Claude](#)

#1

[![Claude](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_d08938b2bcd0f8cc93eb9321f26c74c4/claude-2025-12-11.jpeg)](/products/claude-2025-12-11/reviews)

[Claude](/products/claude-2025-12-11/reviews "Claude")

95

[Expand/Collapse Claude](#)

Overall Satisfaction Score

95

Top Industries of Reviewers:

Information Technology and Services

36%

Computer Software

33%

Marketing and Advertising

21%

Financial Services

10%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.5

Meets Requirements

Average: 8.6

9.3

Ease of Doing Business With

Average: 3.9

9.7

Ease of Setup

Average: 6.5

9.3

Quality of Support

Average: 7.8

8.4

Ease of Admin

Average: 4.4

9.6

[Expand/Collapse Deepgram](#)

#2

[![Deepgram](https://images.g2crowd.com/uploads/product/hd_favicon/fc2688fde41393fd4f455b972243fa7c/deepgram.svg)](/products/deepgram/reviews)

[Deepgram](/products/deepgram/reviews "Deepgram")

73

[Expand/Collapse Deepgram](#)

Overall Satisfaction Score

73

Top Industries of Reviewers:

Computer Software

51%

Information Technology and Services

31%

Higher Education

10%

Hospital & Health Care

8%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.5

Meets Requirements

Average: 8.6

9.4

Ease of Doing Business With

Average: 3.9

8.9

Ease of Setup

Average: 6.5

9.4

Quality of Support

Average: 7.8

9.2

Ease of Admin

Average: 4.4

9.0

[Expand/Collapse Google NotebookLM](#)

#3

[![Google NotebookLM](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_1b54524a52771b12173901f4ec562947/google-notebooklm.jpg)](/products/google-notebooklm/reviews)

[Google NotebookLM](/products/google-notebooklm/reviews "Google NotebookLM")

66

[Expand/Collapse Google NotebookLM](#)

Overall Satisfaction Score

66

Top Industries of Reviewers:

Information Technology and Services

38%

Online Media

25%

Financial Services

25%

Computer Software

13%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.5

Meets Requirements

Average: 8.6

9.5

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

9.8

Quality of Support

Average: 7.8

9.7

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Google Cloud Translation API](#)

#4

[![Google Cloud Translation API](https://images.g2crowd.com/uploads/product/hd_favicon/d61fdffdadfa697a535b582eb49268e5/google-cloud-translation-api.svg)](/products/google-cloud-translation-api/reviews)

[Google Cloud Translation API](/products/google-cloud-translation-api/reviews "Google Cloud Translation API")

65

[Expand/Collapse Google Cloud Translation API](#)

Overall Satisfaction Score

65

Top Industries of Reviewers:

Information Technology and Services

43%

Computer Software

38%

Computer & Network Security

11%

Education Management

8%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.2

Meets Requirements

Average: 8.6

9.2

Ease of Doing Business With

Average: 3.9

8.7

Ease of Setup

Average: 6.5

9.0

Quality of Support

Average: 7.8

8.8

Ease of Admin

Average: 4.4

9.2

[Expand/Collapse Amazon Comprehend](#)

#5

[![Amazon Comprehend](https://images.g2crowd.com/uploads/product/hd_favicon/1528476495/amazon-comprehend.svg)](/products/amazon-comprehend/reviews)

[Amazon Comprehend](/products/amazon-comprehend/reviews "Amazon Comprehend")

62

[Expand/Collapse Amazon Comprehend](#)

Overall Satisfaction Score

62

Top Industries of Reviewers:

Information Technology and Services

39%

Accounting

29%

Computer Software

23%

Education Management

10%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.5

Meets Requirements

Average: 8.6

9.4

Ease of Doing Business With

Average: 3.9

8.8

Ease of Setup

Average: 6.5

9.0

Quality of Support

Average: 7.8

9.2

Ease of Admin

Average: 4.4

8.2

[Expand/Collapse Microsoft 365 Copilot](#)

#6

[![Microsoft 365 Copilot](https://images.g2crowd.com/uploads/product/hd_favicon/9b7a745b5767b3df56d6149ddeebf67a/microsoft-microsoft-365-copilot.svg)](/products/microsoft-microsoft-365-copilot/reviews)

[Microsoft 365 Copilot](/products/microsoft-microsoft-365-copilot/reviews "Microsoft 365 Copilot")

62

[Expand/Collapse Microsoft 365 Copilot](#)

Overall Satisfaction Score

62

Top Industries of Reviewers:

Information Technology and Services

63%

Civil Engineering

13%

Food & Beverages

13%

Retail

13%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.8

Meets Requirements

Average: 8.6

9.4

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

9.6

Quality of Support

Average: 7.8

9.5

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse InMoment Experience Improvement (XI) Platform](#)

#7

[![InMoment Experience Improvement (XI) Platform](https://images.g2crowd.com/uploads/product/hd_favicon/10777a1508e330761fe8a92a5a22bdc8/inmoment-experience-improvement-xi-platform.svg)](/products/inmoment-experience-improvement-xi-platform/reviews)

[InMoment Experience Improvement (XI) Platform](/products/inmoment-experience-improvement-xi-platform/reviews "InMoment Experience Improvement (XI) Platform")

56

[Expand/Collapse InMoment Experience Improvement (XI) Platform](#)

Overall Satisfaction Score

56

Top Industries of Reviewers:

Computer Software

55%

Information Technology and Services

29%

Consumer Services

8%

Retail

8%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.1

Meets Requirements

Average: 8.6

8.9

Ease of Doing Business With

Average: 3.9

9.4

Ease of Setup

Average: 6.5

8.9

Quality of Support

Average: 7.8

8.9

Ease of Admin

Average: 4.4

9.3

[Expand/Collapse scite.ai](#)

#8

[![scite.ai](https://images.g2crowd.com/uploads/product/hd_favicon/6baa6c773f36bdedc901d76e79c1a773/scite-ai.svg)](/products/scite-ai/reviews)

[scite.ai](/products/scite-ai/reviews "scite.ai")

56

[Expand/Collapse scite.ai](#)

Overall Satisfaction Score

56

Top Industries of Reviewers:

Research

54%

Higher Education

31%

Accounting

8%

Media Production

8%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.0

Meets Requirements

Average: 8.6

9.2

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

9.0

Quality of Support

Average: 7.8

8.7

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Google Cloud Natural Language API](#)

#9

[![Google Cloud Natural Language API](https://images.g2crowd.com/uploads/product/hd_favicon/13609196cbe0a2ebcb718bd26f6a0e4e/google-cloud-natural-language-api.svg)](/products/google-cloud-natural-language-api/reviews)

[Google Cloud Natural Language API](/products/google-cloud-natural-language-api/reviews "Google Cloud Natural Language API")

56

[Expand/Collapse Google Cloud Natural Language API](#)

Overall Satisfaction Score

56

Top Industries of Reviewers:

Computer Software

45%

Information Technology and Services

34%

Education Management

11%

Retail

11%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.3

Meets Requirements

Average: 8.6

9.1

Ease of Doing Business With

Average: 3.9

7.6

Ease of Setup

Average: 6.5

8.9

Quality of Support

Average: 7.8

9.4

Ease of Admin

Average: 4.4

8.8

[Expand/Collapse NLTK](#)

#10

[![NLTK](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_340a6594f1cf7641e0f135a2ae9ca5e7/nltk.jpeg)](/products/nltk/reviews)

[NLTK](/products/nltk/reviews "NLTK")

49

[Expand/Collapse NLTK](#)

Overall Satisfaction Score

49

Top Industries of Reviewers:

Information Technology and Services

52%

Computer Software

32%

Consumer Services

8%

Education Management

8%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

8.9

Meets Requirements

Average: 8.6

8.2

Ease of Doing Business With

Average: 3.9

9.2

Ease of Setup

Average: 6.5

9.1

Quality of Support

Average: 7.8

8.4

Ease of Admin

Average: 4.4

9.0

[Expand/Collapse Azure AI Language](#)

#11

[![Azure AI Language](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_dd457c4bdb0449dfa4257db7539d4488/azure-ai-language.jpeg)](/products/azure-ai-language/reviews)

[Azure AI Language](/products/azure-ai-language/reviews "Azure AI Language")

49

[Expand/Collapse Azure AI Language](#)

Overall Satisfaction Score

49

Top Industries of Reviewers:

Computer Software

39%

Information Technology and Services

34%

Education Management

15%

Hospital & Health Care

12%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

8.6

Meets Requirements

Average: 8.6

8.9

Ease of Doing Business With

Average: 3.9

8.6

Ease of Setup

Average: 6.5

7.6

Quality of Support

Average: 7.8

8.6

Ease of Admin

Average: 4.4

8.5

[Expand/Collapse Gensim](#)

#12

[![Gensim](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_52c6a4100dce4e62c83e74db68d9198f/gensim.png)](/products/gensim/reviews)

[Gensim](/products/gensim/reviews "Gensim")

49

[Expand/Collapse Gensim](#)

Overall Satisfaction Score

49

Top Industries of Reviewers:

Computer Software

33%

Education Management

33%

Entertainment

17%

Computer Games

17%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.6

Meets Requirements

Average: 8.6

9.2

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

0.0

Quality of Support

Average: 7.8

9.5

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Level AI](#)

#13

[![Level AI](https://images.g2crowd.com/uploads/product/hd_favicon/968c8b50468c9d158e60bfdc148d9c66/level-ai.svg)](/products/level-ai/reviews)

[Level AI](/products/level-ai/reviews "Level AI")

48

[Expand/Collapse Level AI](#)

Overall Satisfaction Score

48

Top Industries of Reviewers:

Computer Software

40%

Financial Services

20%

Insurance

20%

Consumer Services

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

8.8

Meets Requirements

Average: 8.6

8.7

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

8.8

Quality of Support

Average: 7.8

9.2

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Google Cloud AutoML Natural Language](#)

#14

[![Google Cloud AutoML Natural Language](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_aebfa0060e4d177ff850535a1cd26ec3/google-cloud-automl-natural-language.jpg)](/products/google-cloud-automl-natural-language/reviews)

[Google Cloud AutoML Natural Language](/products/google-cloud-automl-natural-language/reviews "Google Cloud AutoML Natural Language")

43

[Expand/Collapse Google Cloud AutoML Natural Language](#)

Overall Satisfaction Score

43

Top Industries of Reviewers:

Computer & Network Security

40%

Automotive

20%

Computer Software

20%

Architecture & Planning

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.2

Meets Requirements

Average: 8.6

9.4

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

0.0

Quality of Support

Average: 7.8

8.6

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Tungsten TotalAgility](#)

#15

[![Tungsten TotalAgility](https://images.g2crowd.com/uploads/product/hd_favicon/4104fde2e190e07c5b3be2282939a9d6/tungsten-totalagility.svg)](/products/tungsten-totalagility/reviews)

[Tungsten TotalAgility](/products/tungsten-totalagility/reviews "Tungsten TotalAgility")

39

[Expand/Collapse Tungsten TotalAgility](#)

Overall Satisfaction Score

39

Top Industries of Reviewers:

Financial Services

40%

Computer Software

20%

Banking

20%

Accounting

20%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

9.4

Meets Requirements

Average: 8.6

9.4

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

0.0

Quality of Support

Average: 7.8

0.0

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse Stanford CoreNLP](#)

#16

[![Stanford CoreNLP](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_8c3334e07be0d50b757d5526a9acebcc/stanford-corenlp.jpg)](/products/stanford-corenlp/reviews)

[Stanford CoreNLP](/products/stanford-corenlp/reviews "Stanford CoreNLP")

38

[Expand/Collapse Stanford CoreNLP](#)

Overall Satisfaction Score

38

Top Industries of Reviewers:

Computer Software

25%

E-Learning

25%

Information Technology and Services

25%

Civic & Social Organization

25%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

8.6

Meets Requirements

Average: 8.6

9.3

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

8.7

Quality of Support

Average: 7.8

7.1

Ease of Admin

Average: 4.4

8.3

[Expand/Collapse openNLP](#)

#17

[![openNLP](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_a0f68ba09b601dbe8b01bc67cfd3ce64/opennlp.jpg)](/products/opennlp/reviews)

[openNLP](/products/opennlp/reviews "openNLP")

31

[Expand/Collapse openNLP](#)

Overall Satisfaction Score

31

Top Industries of Reviewers:

Computer Software

33%

Higher Education

33%

Education Management

17%

Accounting

17%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

8.6

Meets Requirements

Average: 8.6

8.6

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

0.0

Quality of Support

Average: 7.8

7.5

Ease of Admin

Average: 4.4

0.0

[Expand/Collapse MITIE: MIT Information Extraction](#)

#18

[![MITIE: MIT Information Extraction](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_57dd97ecbc77b248c077fd49ed91e856/mitie-mit-information-extraction.png)](/products/mitie-mit-information-extraction/reviews)

[MITIE: MIT Information Extraction](/products/mitie-mit-information-extraction/reviews "MITIE: MIT Information Extraction")

0

[Expand/Collapse MITIE: MIT Information Extraction](#)

Overall Satisfaction Score

0

Top Industries of Reviewers:

Education Management

33%

Computer Software

33%

Civil Engineering

17%

Business Supplies and Equipment

17%

Ratings from Reviews (out of 10):

Ease of Use

Average: 8.7

0.0

Meets Requirements

Average: 8.6

0.0

Ease of Doing Business With

Average: 3.9

0.0

Ease of Setup

Average: 6.5

0.0

Quality of Support

Average: 7.8

0.0

Ease of Admin

Average: 4.4

0.0