DoNotPay vs Lexis+ AI:Which is more popular?
In September 2026, Lexis+ AI had more branded searches than DoNotPay among AI legal assistants worldwide. Lexis+ AI had about 16,500 branded searches, while DoNotPay had 8,100. Lexis+ AI made up 6.5% of all AI legal assistant searches we track, and DoNotPay accounted for 3.2%. When we asked ChatGPT and Google AI Overviews about AI legal assistants, Lexis+ AI appeared in all five answers and DoNotPay in none.
Who do people search for more?
Lexis+ AI, about 2 searches for every 1 for DoNotPay
Who does AI mention more?
Lexis+ AI, mentioned in every answer we collected
Who does AI recommend more?
Lexis+ AI, the only one of the two named
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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. DoNotPay did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
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
Asked ChatGPT
“Which AI legal assistant should I use?”
Asked ChatGPT
“What are the best AI legal assistants?”
Asked ChatGPT
“What's the best AI legal assistant for legal research?”
Searched Google, AI Overview
“ai legal assistant”
Searched Google, AI Overview
“legal research ai”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is DoNotPay or Lexis+ AI more popular in search?
This chart shows how often people search Google for DoNotPay and Lexis+ AI by name. Each line represents a brand's share of searches for all seven AI legal assistants we track, month by month, from English-language searches worldwide.
Share of searches by month for Lexis+ AI, DoNotPay. The figures are in the table below the chart.
View monthly share of searches table
| Month | Harvey | LegalOn | Spellbook | CoCounsel | Lexis+ AI | DoNotPay | Robin AI |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.9% | 28.5% | 10.5% | 6% | 9.9% | 3.8% | 6.5% |
| Nov 2025 | 33.8% | 27.7% | 10.1% | 7.3% | 9.3% | 4.5% | 7.3% |
| Dec 2025 | 36.5% | 29.9% | 10.9% | 6.5% | 6.9% | 4% | 5.3% |
| Jan 2026 | 32.9% | 32.9% | 12.1% | 7.1% | 7.6% | 3.6% | 3.9% |
| Feb 2026 | 42.8% | 23.4% | 10.5% | 7.6% | 8.1% | 4.7% | 2.8% |
| Mar 2026 | 43.6% | 24% | 10.7% | 7.6% | 8.6% | 3.2% | 2.3% |
| Apr 2026 | 47.3% | 21.3% | 9.6% | 6.8% | 8.3% | 4.3% | 2.5% |
| May 2026 | 47.7% | 21.5% | 9.6% | 7.2% | 7.2% | 4.3% | 2.5% |
| Jun 2026 | 48.9% | 22% | 8% | 7.2% | 7.8% | 3.6% | 2.5% |
| Jul 2026 | 49.6% | 22.3% | 8.2% | 7.3% | 6.9% | 3.7% | 2.1% |
| Aug 2026 | 49.7% | 22.4% | 8.2% | 7.4% | 6.9% | 3.7% | 1.7% |
| Sep 2026 | 52.8% | 19.4% | 8.7% | 7.7% | 6.5% | 3.2% | 1.8% |
How has the DoNotPay and Lexis+ AI comparison changed over the last 12 months?
3 findings
- Lexis+ AI was ahead of DoNotPay in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, DoNotPay’s share of searches among AI legal assistants worldwide moved from 3.8% to 3.2%, and its estimated monthly branded searches held steady at 8.1K.
- 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.
How did search popularity change for AI legal assistants worldwide in September 2026?
1 change
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 branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using DoNotPay’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.
Other head-to-heads among AI legal assistants
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