--- title: "CoCounsel vs Lexis+ AI: Which is searched more?" description: "Is CoCounsel or Lexis+ AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI legal assistants 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/cocounsel-vs-lexis-plus-ai" publisher: "Brandwave" --- # CoCounsel vs Lexis+ AI: Which is searched more? Is CoCounsel or Lexis+ AI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI legal assistants 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**: CoCounsel and Lexis+ AI - **Competitive set**: AI legal assistants - **Market**: Global - **Month measured**: Sep 2026 - **CoCounsel Share of Search**: 7.7% - **Lexis+ AI Share of Search**: 6.5% ## Is CoCounsel or Lexis+ AI more popular in search? - In September 2026, CoCounsel had more branded searches than Lexis+ AI among AI legal assistants worldwide. CoCounsel had about 19,700 branded searches, while Lexis+ AI had 16,500. CoCounsel made up 7.7% of all AI legal assistant searches we track, and Lexis+ AI accounted for 6.5%. - The lead changed hands 3 times in the 12 months ending September 2026: CoCounsel took it in May 2026, Lexis+ AI took it in June 2026, CoCounsel took it in July 2026. - Across the 12 months ending September 2026, CoCounsel’s share of searches among AI legal assistants worldwide moved from 6% to 7.7%, and its estimated monthly branded searches moved from 12.8K to 19.7K. - Across the 12 months ending September 2026, Lexis+ AI’s share of searches among AI legal assistants worldwide moved from 9.9% to 6.5%, and its estimated monthly branded searches moved from 21K to 16.5K. ## Top AI legal assistants in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, both CoCounsel and Lexis+ AI showed up in all five answers. CoCounsel was listed before Lexis+ AI in four of them. 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 | | --- | --- | --- | --- | --- | | CoCounsel | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Lexis+ AI | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Harvey | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Spellbook | 4th | 1 of 3 | 0 of 2 | 1 of 5 | | LegalOn | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | DoNotPay | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Robin AI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about AI legal assistants - Asked ChatGPT "Which AI legal assistant should I use?": 1. CoCounsel, 2. Lexis+ AI, 3. Spellbook, 4. Harvey - Asked ChatGPT "What are the best AI legal assistants?": 1. CoCounsel, 2. Harvey, 3. Lexis+ AI, 4. LegalOn - Asked ChatGPT "What's the best AI legal assistant for legal research?": 1. Lexis+ AI, 2. CoCounsel, 3. Harvey - Searched Google, AI Overview "ai legal assistant": 1. CoCounsel, 2. Lexis+ AI, 3. Harvey - Searched Google, AI Overview "legal research ai": 1. CoCounsel, 2. Lexis+ AI Not named in any answer: DoNotPay and Robin AI. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for AI legal assistants worldwide in September 2026? - 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. - 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 | CoCounsel estimated searches | CoCounsel Share of Search | CoCounsel rank | Lexis+ AI estimated searches | Lexis+ AI Share of Search | Lexis+ AI rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.8K | 6% | 6 | 21K | 9.9% | 4 | | Nov 2025 | 13K | 7.3% | 6 | 16.7K | 9.3% | 4 | | Dec 2025 | 10.8K | 6.5% | 5 | 11.5K | 6.9% | 4 | | Jan 2026 | 13.1K | 7.1% | 5 | 14K | 7.6% | 4 | | Feb 2026 | 16.1K | 7.6% | 5 | 17.2K | 8.1% | 4 | | Mar 2026 | 19.1K | 7.6% | 5 | 21.7K | 8.6% | 4 | | Apr 2026 | 15.8K | 6.8% | 5 | 19.2K | 8.3% | 4 | | May 2026 | 16.7K | 7.2% | 4 | 16.5K | 7.2% | 5 | | Jun 2026 | 16.1K | 7.2% | 5 | 17.5K | 7.8% | 4 | | Jul 2026 | 16.1K | 7.3% | 4 | 15.3K | 6.9% | 5 | | Aug 2026 | 16.4K | 7.4% | 4 | 15.3K | 6.9% | 5 | | Sep 2026 | 19.7K | 7.7% | 4 | 16.5K | 6.5% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using CoCounsel’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. - **CoCounsel**: Measured on the search terms “cocounsel” and “cocounsel legal”, summed into one figure. - **Lexis+ AI**: Measured on the search terms “lexis ai” and “lexis protege”, summed into one figure. - [CoCounsel profile](/demand/global-en/brands/cocounsel) - [Lexis+ AI profile](/demand/global-en/brands/lexis-plus-ai) - [All AI legal assistants worldwide](/demand/global-en/categories/ai-legal-assistants): The set both shares are measured inside, 7 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 CoCounsel or Lexis+ AI more popular in search? In September 2026, CoCounsel had more branded searches than Lexis+ AI among AI legal assistants worldwide. CoCounsel had about 19,700 branded searches, while Lexis+ AI had 16,500. CoCounsel made up 7.7% of all AI legal assistant searches we track, and Lexis+ AI accounted for 6.5%. ## Cite this page Brandwave. "CoCounsel vs Lexis+ AI: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/cocounsel-vs-lexis-plus-ai This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/cocounsel-vs-lexis-plus-ai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.