Brandwave

How popular isLexis+ AI?

In September 2026, people searched for Lexis+ AI by name about 16,500 times worldwide, a 21.4% decrease from the previous year. These searches made up 2.3% of all global legal research platform searches, placing Lexis+ AI sixth out of nine platforms. When we asked both ChatGPT and Google AI Overviews about legal research platforms, Lexis+ AI appeared in four of the five answers and was the third most recommended of the nine.

Search and AI answers in September 2026

Lexis+ AI is the sixth most searched of 9 competitors and the third most recommended in AI answers.

  1. LexisNexisShare of searches 42%Mentioned in 5 of 5 AI answersPlace in AI recommendations 4th
  2. WestlawShare of searches 34.3%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  3. vLexShare of searches 12.6%Mentioned in 2 of 5 AI answersPlace in AI recommendations 7th
  4. CourtListenerShare of searches 3.1%Mentioned in 3 of 5 AI answersPlace in AI recommendations 6th
  5. Lexis+ AIShare of searches 2.3%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd

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Top legal research platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Lexis+ AI was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Lexis+ AI is the third most recommended of the nine.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Westlaw1st
  2. Bloomberg Law2nd
  3. Lexis+ AI3rd
  4. LexisNexis4th
  5. Fastcase5th
  6. CourtListener6th
  7. vLex7th
  8. Justia8th
  9. Casetext9th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • LexisNexis5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Westlaw5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Bloomberg Law5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Lexis+ AI4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Fastcase4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • CourtListener3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • vLex2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Justia2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Casetext2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers

See every answer about legal research platforms

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Which legal research platforms compete with Lexis+ AI?

Lexis+ AI against legal research platforms worldwide, by month

Share of searches by month for LexisNexis, Westlaw, vLex, CourtListener, Justia, Lexis+ AI. The figures are in the table below the chart.

View monthly share of searches table
MonthLexisNexisWestlawvLexCourtListenerJustiaLexis+ AIBloomberg LawCasetextFastcase
Oct 202541.8%41.8%6.9%1.7%2.5%2.4%1.7%0.75%0.5%
Nov 202544.3%36.2%8.9%2.2%2.7%2.5%1.8%0.97%0.43%
Dec 202544.7%36.5%7.4%2.7%3.3%2.1%1.8%0.98%0.53%
Jan 202644.7%36.6%7.4%3.3%2.7%2.1%2.2%0.65%0.43%
Feb 202647.1%31.5%6.3%5.2%4.2%2.2%2.3%0.84%0.37%
Mar 202648.5%32.4%8%2.9%2%2.9%2.4%0.47%0.47%
Apr 202647.4%31.6%9.5%3.5%2.3%3%1.6%0.57%0.46%
May 202647.6%31.8%9.6%3.5%2.3%2.6%1.6%0.46%0.46%
Jun 202646.8%31.3%11.5%3.5%1.9%2.7%1.5%0.45%0.37%
Jul 202649.8%27.3%12.2%3.7%2%2.5%1.6%0.31%0.48%
Aug 202649.4%33%6.6%3.6%2%2.5%2%0.26%0.59%
Sep 202642%34.3%12.6%3.1%2.5%2.3%1.7%0.92%0.5%

  1. 1.LexisNexis

    42%

    Held 1st. 301K estimated branded searches, 0% vs prior month. Share -7.4 points.

  2. 2.Westlaw

    34.3%

    Held 2nd. 246K estimated branded searches, +22.4% vs prior month. Share +1.3 points.

  3. 3.vLex

    12.6%

    Held 3rd. 90.5K estimated branded searches, +123.5% vs prior month. Share +6 points.

  4. 4.CourtListener

    3.1%

    Held 4th. 22.2K estimated branded searches, 0% vs prior month. Share -0.5 points.

  5. 5.Justia

    2.5%

    Moved from 7th to 5th. 18.1K estimated branded searches, +49.6% vs prior month. Share +0.5 points.

  6. 6.Lexis+ AI

    2.3%

    Moved from 5th to 6th. 16.5K estimated branded searches, +7.8% vs prior month. Share -0.2 points.

  7. 7.Bloomberg Law

    1.7%

    Moved from 6th to 7th. 12.1K estimated branded searches, 0% vs prior month. Share -0.3 points.

  8. 8.Casetext

    0.92%

    Moved from 9th to 8th. 6.6K estimated branded searches, +312.5% vs prior month. Share +0.7 points.

  9. 9.Fastcase

    0.5%

    Moved from 8th to 9th. 3.6K estimated branded searches, 0% vs prior month. Share -0.1 points.

Compare popularity between Lexis+ AI and its closest rivals

Every comparison with Lexis+ AI

14 comparisons

How has branded search demand for Lexis+ AI changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Lexis+ AI worldwide fell from 21K to 16.5K.
  • Across the 12 months ending September 2026, Lexis+ AI fell from 5th to 6th among legal research platforms worldwide.

How did search popularity change for legal research platforms worldwide in September 2026?

6 changes

  1. In September 2026, Casetext overtook Fastcase to rank 8th among legal research platforms worldwide, with 0.92% of the searches.

  2. In September 2026, Justia overtook Lexis+ AI and Bloomberg Law to rank 5th among legal research platforms worldwide, with 2.5% of the searches.

  3. In September 2026, vLex gained share of searches among legal research platforms worldwide, from 6.6% to 12.6%.

  4. In September 2026, Westlaw gained share of searches among legal research platforms worldwide, from 33% to 34.3%.

  5. In September 2026, LexisNexis lost share of searches among legal research platforms worldwide, from 49.4% to 42%.

  6. In September 2026, CourtListener lost share of searches among legal research platforms worldwide, from 3.6% to 3.1%.

How are Lexis+ AI’s branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Lexis+ AI’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • lexis ai
  • lexis protege

How the Brand Demand Index is measured

Who owns Lexis+ AI?

Lexis+ AI is owned by LexisNexis. Brandwave also tracks LexisNexis, owned by the same company, worldwide.

Do you work for Lexis+ AI? To request corrections or removal please contact us via our support page and we will be happy to assist.

Where does Lexis+ AI compete?

Lexis+ AI is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Legal research platforms6th of 92.3%Shown above
AI legal assistants5th of 76.5%Show ranking
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