--- title: "CourtListener vs Lexis+ AI: Which is searched more?" description: "Is CourtListener or Lexis+ AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Legal research platforms set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/compare/courtlistener-vs-lexis-plus-ai" publisher: "Brandwave" --- # CourtListener vs Lexis+ AI: Which is searched more? Is CourtListener or Lexis+ AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Legal research platforms set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: CourtListener and Lexis+ AI - **Competitive set**: Legal research platforms - **Market**: Global - **Month measured**: Sep 2026 - **CourtListener Share of Search**: 3.1% - **Lexis+ AI Share of Search**: 2.3% ## Is CourtListener or Lexis+ AI more popular in search? - In September 2026, CourtListener had more branded searches than Lexis+ AI among legal research platforms worldwide. CourtListener had about 22,200 branded searches, while Lexis+ AI had 16,500. CourtListener made up 3.1% of all legal research platform searches we track, and Lexis+ AI accounted for 2.3%. - The lead changed hands once in the 12 months ending September 2026: CourtListener took it in December 2025. - Across the 12 months ending September 2026, CourtListener’s share of searches among legal research platforms worldwide moved from 1.7% to 3.1%, and its estimated monthly branded searches moved from 14.8K to 22.2K. - Across the 12 months ending September 2026, Lexis+ AI’s share of searches among legal research platforms worldwide moved from 2.4% to 2.3%, and its estimated monthly branded searches moved from 21K to 16.5K. ## 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. CourtListener was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. CourtListener and Lexis+ AI were each listed first in two of the four answers that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Westlaw | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Bloomberg Law | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Lexis+ AI | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | LexisNexis | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | Fastcase | 5th | 2 of 3 | 2 of 2 | 4 of 5 | | CourtListener | 6th | 2 of 3 | 1 of 2 | 3 of 5 | | vLex | 7th | 2 of 3 | 0 of 2 | 2 of 5 | | Justia | 8th | 1 of 3 | 1 of 2 | 2 of 5 | | Casetext | 9th | 0 of 3 | 2 of 2 | 2 of 5 | ## Every AI answer about legal research platforms - Asked ChatGPT "Which legal research platform should I use?": 1. Westlaw, 2. Bloomberg Law, 3. CourtListener, 4. LexisNexis, 5. Lexis+ AI - Asked ChatGPT "What are the best legal research platforms?": 1. Westlaw, 2. Bloomberg Law, 3. CourtListener, 4. Justia, 5. vLex, 6. Fastcase, 7. LexisNexis, 8. Lexis+ AI - Asked ChatGPT "What's the best legal research platform for a law firm?": 1. Westlaw, 2. Lexis+ AI, 3. Bloomberg Law, 4. vLex, 5. Fastcase, 6. LexisNexis - Searched Google, AI Overview "legal research platforms": 1. Westlaw, 2. LexisNexis, 3. Bloomberg Law, 4. Fastcase, 5. Justia, 6. Casetext - Searched Google, AI Overview "legal research software": 1. Westlaw, 2. Lexis+ AI, 3. Bloomberg Law, 4. Fastcase, 5. Casetext, 6. CourtListener, 7. LexisNexis Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for legal research platforms worldwide in September 2026? - In September 2026, Justia overtook Lexis+ AI and Bloomberg Law to rank 5th among legal research platforms worldwide, with 2.5% of the searches. - In September 2026, CourtListener lost share of searches among legal research platforms worldwide, from 3.6% to 3.1%. - Estimated monthly branded searches for Lexis+ AI worldwide fell 21.4% over 12 measured months, from 21K to 16.5K in September 2026. ## Month by month | Month | CourtListener estimated searches | CourtListener Share of Search | CourtListener rank | Lexis+ AI estimated searches | Lexis+ AI Share of Search | Lexis+ AI rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 14.8K | 1.7% | 7 | 21K | 2.4% | 5 | | Nov 2025 | 14.8K | 2.2% | 6 | 16.7K | 2.5% | 5 | | Dec 2025 | 14.8K | 2.7% | 5 | 11.5K | 2.1% | 6 | | Jan 2026 | 22.2K | 3.3% | 4 | 14K | 2.1% | 7 | | Feb 2026 | 40.5K | 5.2% | 4 | 17.2K | 2.2% | 7 | | Mar 2026 | 22.2K | 2.9% | 4 | 21.7K | 2.9% | 5 | | Apr 2026 | 22.2K | 3.5% | 4 | 19.2K | 3% | 5 | | May 2026 | 22.2K | 3.5% | 4 | 16.5K | 2.6% | 5 | | Jun 2026 | 22.2K | 3.5% | 4 | 17.5K | 2.7% | 5 | | Jul 2026 | 22.2K | 3.7% | 4 | 15.3K | 2.5% | 5 | | Aug 2026 | 22.2K | 3.6% | 4 | 15.3K | 2.5% | 5 | | Sep 2026 | 22.2K | 3.1% | 4 | 16.5K | 2.3% | 6 | ## How each brand is measured Brandwave collects information about searches that people make online using CourtListener’s and Lexis+ AI’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **CourtListener**: Measured on the search term “courtlistener”. - **Lexis+ AI**: Measured on the search terms “lexis ai” and “lexis protege”, summed into one figure. - [CourtListener profile](/demand/global-en/brands/courtlistener) - [Lexis+ AI profile](/demand/global-en/brands/lexis-plus-ai) - [All legal research platforms worldwide](/demand/global-en/categories/legal-research-platforms): The set both shares are measured inside, 9 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is CourtListener or Lexis+ AI more popular in search? In September 2026, CourtListener had more branded searches than Lexis+ AI among legal research platforms worldwide. CourtListener had about 22,200 branded searches, while Lexis+ AI had 16,500. CourtListener made up 3.1% of all legal research platform searches we track, and Lexis+ AI accounted for 2.3%. ## Cite this page Brandwave. "CourtListener vs Lexis+ AI: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/courtlistener-vs-lexis-plus-ai This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/courtlistener-vs-lexis-plus-ai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.