Brandwave

Cohere vs Perplexity:Which is more popular?

In September 2026, Perplexity had more branded searches than Cohere among generative AI platforms worldwide. Perplexity had about 13.4 million branded searches, while Cohere had 14,800. Perplexity made up 0.49% of all generative AI platform searches we track, and Cohere accounted for <0.01%. When we asked ChatGPT and Google AI Overviews about generative AI platforms, Perplexity appeared in three of the five answers and Cohere in none.

Among generative AI platforms worldwide in September 2026

Who do people search for more?

Perplexity, about 906 searches for every 1 for Cohere

Perplexity 13.4M searchesCohere 14.8K searches

Who does AI mention more?

Perplexity, mentioned in 3 of 5 answers, Cohere in 0

Perplexity in 3 of 5Cohere in 0 of 5

Who does AI recommend more?

Perplexity, the only one of the two named

Perplexity first in 3Cohere never named

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Top generative AI platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Perplexity was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Cohere 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.

  1. ChatGPT1st
  2. Claude2nd
  3. Gemini3rd
  4. Microsoft Copilot4th
  5. Perplexity5th
  6. Mistral AI–
  7. Cohere–

Mentioned by AI

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

  • Gemini5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • ChatGPT4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Claude4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Microsoft Copilot4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Perplexity3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Mistral AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Cohere0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about generative AI platforms

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 19, 2026.

Is Cohere or Perplexity more popular in search?

This chart shows how often people search Google for Cohere and Perplexity by name. Each line represents a brand's share of searches for all seven generative AI platforms we track, month by month, from English-language searches worldwide.

Cohere and Perplexity among generative AI platforms worldwide, by month

Share of searches by month for Perplexity, Cohere. The figures are in the table below the chart.

View monthly share of searches table
MonthChatGPTGeminiClaudeMicrosoft CopilotPerplexityMistral AICohere
Oct 202566.7%29.4%0.67%1.5%1.6%0.06%<0.01%
Nov 202570.6%25.5%0.83%1.7%1.4%0.06%<0.01%
Dec 202570%26.8%0.74%1.4%1%0.06%<0.01%
Jan 202669.1%27.7%0.95%1.4%0.86%0.06%<0.01%
Feb 202670.1%26%1.6%1.4%0.87%0.06%<0.01%
Mar 202666%27.8%3.7%1.5%0.82%0.07%<0.01%
Apr 202663%30.3%4.4%1.4%0.78%0.05%<0.01%
May 202665.2%28.7%4.3%1.3%0.56%0.05%<0.01%
Jun 202662.7%30.7%4.8%1.2%0.52%0.06%<0.01%
Jul 202666.4%27.6%4.5%1%0.47%0.04%<0.01%
Aug 202666.5%27.5%4.5%1%0.47%0.04%<0.01%
Sep 202669.3%25%4.2%0.88%0.49%0.05%<0.01%

How has the Cohere and Perplexity comparison changed over the last 12 months?

3 findings
  • Perplexity was ahead of Cohere in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Cohere’s share of searches among generative AI platforms worldwide held steady at <0.01%, and its estimated monthly branded searches moved from 12.1K to 14.8K.
  • Across the 12 months ending September 2026, Perplexity’s share of searches among generative AI platforms worldwide moved from 1.6% to 0.49%, and its estimated monthly branded searches moved from 37.7M to 13.4M.

How did search popularity change for generative AI platforms worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Cohere worldwide rose 22.5% over 12 measured months, from 12.1K to 14.8K in September 2026.

  2. Estimated monthly branded searches for Perplexity worldwide fell 64.4% over 12 measured months, from 37.7M to 13.4M in September 2026.

How are branded searches counted?

18 search terms

Brandwave collects information about searches that people make online using Cohere’s and Perplexity’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.

Cohere

2 branded search terms

  • cohere ai
  • cohere generative ai

Perplexity

16 branded search terms

  • comet browser
  • comet perplexity
  • perplexity
  • perplexity ai
  • perplexity ai app
  • perplexity ai search
  • perplexity app
  • perplexity browser
  • perplexity comet
  • perplexity finance
  • perplexity ia
  • perplexity labs
  • perplexity max
  • perplexity pro
  • perplexity search
  • perplexity.ai

How the Brand Demand Index is measured

Other head-to-heads among generative AI platforms

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