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 6.5% of all global AI legal assistant searches, placing Lexis+ AI fifth out of seven assistants. When we asked both ChatGPT and Google AI Overviews about AI legal assistants, Lexis+ AI appeared in all answers and was the second most recommended of the seven.

Search and AI answers in September 2026

Lexis+ AI is the fifth most searched of 7 competitors and the second most recommended in AI answers.

  1. HarveyShare of searches 52.8%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd
  2. LegalOnShare of searches 19.4%Mentioned in 1 of 5 AI answersPlace in AI recommendations 5th
  3. SpellbookShare of searches 8.7%Mentioned in 1 of 5 AI answersPlace in AI recommendations 4th
  4. CoCounselShare of searches 7.7%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  5. Lexis+ AIShare of searches 6.5%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd

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Top AI legal assistants in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Lexis+ AI appeared in all five answers. Lexis+ AI is the second most recommended of the seven.

Most recommended by AI

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

  1. CoCounsel1st
  2. Lexis+ AI2nd
  3. Harvey3rd
  4. Spellbook4th
  5. LegalOn5th
  6. DoNotPay–
  7. Robin AI–

Mentioned by AI

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

  • CoCounsel5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Lexis+ AI5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Harvey4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LegalOn1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Spellbook1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • DoNotPay0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Robin AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI legal assistants

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Which AI legal assistants compete with Lexis+ AI?

Lexis+ AI against AI legal assistants worldwide, by month

Share of searches by month for Harvey, LegalOn, Spellbook, CoCounsel, Lexis+ AI, DoNotPay. The figures are in the table below the chart.

View monthly share of searches table
MonthHarveyLegalOnSpellbookCoCounselLexis+ AIDoNotPayRobin AI
Oct 202534.9%28.5%10.5%6%9.9%3.8%6.5%
Nov 202533.8%27.7%10.1%7.3%9.3%4.5%7.3%
Dec 202536.5%29.9%10.9%6.5%6.9%4%5.3%
Jan 202632.9%32.9%12.1%7.1%7.6%3.6%3.9%
Feb 202642.8%23.4%10.5%7.6%8.1%4.7%2.8%
Mar 202643.6%24%10.7%7.6%8.6%3.2%2.3%
Apr 202647.3%21.3%9.6%6.8%8.3%4.3%2.5%
May 202647.7%21.5%9.6%7.2%7.2%4.3%2.5%
Jun 202648.9%22%8%7.2%7.8%3.6%2.5%
Jul 202649.6%22.3%8.2%7.3%6.9%3.7%2.1%
Aug 202649.7%22.4%8.2%7.4%6.9%3.7%1.7%
Sep 202652.8%19.4%8.7%7.7%6.5%3.2%1.8%

  1. 1.Harvey

    52.8%

    Held 1st. 135K estimated branded searches, +22.7% vs prior month. Share +3.1 points.

  2. 2.LegalOn

    19.4%

    Held 2nd. 49.5K estimated branded searches, 0% vs prior month. Share -3 points.

  3. 3.Spellbook

    8.7%

    Held 3rd. 22.2K estimated branded searches, +22.7% vs prior month. Share +0.5 points.

  4. 4.CoCounsel

    7.7%

    Held 4th. 19.7K estimated branded searches, +20.1% vs prior month. Share +0.3 points.

  5. 5.Lexis+ AI

    6.5%

    Held 5th. 16.5K estimated branded searches, +7.8% vs prior month. Share -0.5 points.

  6. 6.DoNotPay

    3.2%

    Held 6th. 8.1K estimated branded searches, 0% vs prior month. Share -0.5 points.

  7. 7.Robin AI

    1.8%

    Held 7th. 4.7K estimated branded searches, +22.3% 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?

3 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’s share of searches among AI legal assistants worldwide decreased from 9.9% to 6.5%.
  • Across the 12 months ending September 2026, Lexis+ AI fell from 4th to 5th among AI legal assistants worldwide.

How did search popularity change for AI legal assistants worldwide in September 2026?

6 changes

  1. In September 2026, Harvey gained share of searches among AI legal assistants worldwide, from 49.7% to 52.8%.

  2. In September 2026, Spellbook gained share of searches among AI legal assistants worldwide, from 8.2% to 8.7%.

  3. In September 2026, LegalOn lost share of searches among AI legal assistants worldwide, from 22.4% to 19.4%.

  4. CoCounsel’s share of searches among AI legal assistants worldwide has gained ground for 3 months in a row, from 7.2% to 7.7% in September 2026.

  5. Estimated monthly branded searches for Robin AI worldwide fell 65.5% over 12 measured months, from 13.7K to 4.7K in September 2026.

  6. Estimated monthly branded searches for Lexis+ AI worldwide fell 21.4% over 12 measured months, from 21K to 16.5K in September 2026.

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%Show ranking
AI legal assistants5th of 76.5%Shown above
Creator with pink hair and a pink jacket

Is Lexis+ AI your brand?

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