--- title: "CoCounsel vs Spellbook: Which is searched more?" description: "Is CoCounsel or Spellbook 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-spellbook" publisher: "Brandwave" --- # CoCounsel vs Spellbook: Which is searched more? Is CoCounsel or Spellbook 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 Spellbook - **Competitive set**: AI legal assistants - **Market**: Global - **Month measured**: Sep 2026 - **CoCounsel Share of Search**: 7.7% - **Spellbook Share of Search**: 8.7% ## Is CoCounsel or Spellbook more popular in search? - In September 2026, Spellbook had more branded searches than CoCounsel among AI legal assistants worldwide. Spellbook had about 22,200 branded searches, while CoCounsel had 19,700. Spellbook made up 8.7% of all AI legal assistant searches we track, and CoCounsel accounted for 7.7%. - Spellbook was ahead of CoCounsel in every measured month of the 12 months ending September 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, Spellbook’s share of searches among AI legal assistants worldwide moved from 10.5% to 8.7%, and its estimated monthly branded searches held steady at 22.2K. ## Top AI legal assistants in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, CoCounsel appeared in all five answers. Spellbook was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. CoCounsel was listed before Spellbook in every answer. 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? - In September 2026, Spellbook gained share of searches among AI legal assistants worldwide, from 8.2% to 8.7%. - 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. ## Month by month | Month | CoCounsel estimated searches | CoCounsel Share of Search | CoCounsel rank | Spellbook estimated searches | Spellbook Share of Search | Spellbook rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.8K | 6% | 6 | 22.2K | 10.5% | 3 | | Nov 2025 | 13K | 7.3% | 6 | 18.1K | 10.1% | 3 | | Dec 2025 | 10.8K | 6.5% | 5 | 18.1K | 10.9% | 3 | | Jan 2026 | 13.1K | 7.1% | 5 | 22.2K | 12.1% | 3 | | Feb 2026 | 16.1K | 7.6% | 5 | 22.2K | 10.5% | 3 | | Mar 2026 | 19.1K | 7.6% | 5 | 27.1K | 10.7% | 3 | | Apr 2026 | 15.8K | 6.8% | 5 | 22.2K | 9.6% | 3 | | May 2026 | 16.7K | 7.2% | 4 | 22.2K | 9.6% | 3 | | Jun 2026 | 16.1K | 7.2% | 5 | 18.1K | 8% | 3 | | Jul 2026 | 16.1K | 7.3% | 4 | 18.1K | 8.2% | 3 | | Aug 2026 | 16.4K | 7.4% | 4 | 18.1K | 8.2% | 3 | | Sep 2026 | 19.7K | 7.7% | 4 | 22.2K | 8.7% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using CoCounsel’s and Spellbook’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. - **Spellbook**: Measured on the search term “spellbook”. - [CoCounsel profile](/demand/global-en/brands/cocounsel) - [Spellbook profile](/demand/global-en/brands/spellbook) - [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 Spellbook more popular in search? In September 2026, Spellbook had more branded searches than CoCounsel among AI legal assistants worldwide. Spellbook had about 22,200 branded searches, while CoCounsel had 19,700. Spellbook made up 8.7% of all AI legal assistant searches we track, and CoCounsel accounted for 7.7%. ## Cite this page Brandwave. "CoCounsel vs Spellbook: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/cocounsel-vs-spellbook This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/cocounsel-vs-spellbook. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.