Brandwave

How popular isC4?

In September 2026, people searched for C4 by name about 14,800 times in the United States, a 22.3% increase from the previous year. These searches made up 1.6% of all United States energy drink brand searches, placing C4 sixth out of 12 brands. When we asked both ChatGPT and Google AI Overviews about energy drink brands, C4 appeared in three of the five answers and was the fifth most recommended of the 12.

Search and AI answers in September 2026

C4 is the sixth most searched of 12 competitors and the fifth most recommended in AI answers.

  1. Red BullShare of searches 48.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  2. CelsiusShare of searches 19.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  3. Monster EnergyShare of searches 11.9%Mentioned in 2 of 5 AI answersPlace in AI recommendations 3rd
  4. Alani NuShare of searches 8%Mentioned in 3 of 5 AI answersPlace in AI recommendations 6th
  5. C4Share of searches 1.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th

+7 more

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Top energy drink brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, C4 was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. C4 is the fifth most recommended of the 12.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Red Bull1st
  2. Celsius2nd
  3. Monster Energy3rd
  4. Ghost4th
  5. C45th
  6. Alani Nu6th
  7. NOS7th
  8. Reign8th
  9. Rockstar–
  10. Bang–
  11. +2 more

Mentioned by AI

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

  • Red Bull5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Celsius5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Alani Nu3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Ghost3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • C43 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Monster Energy2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • NOS1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Reign1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Rockstar0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bang0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about energy drink brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United States on October 26, 2026.

Which energy drink brands compete with C4?

C4 against energy drink brands in the United States, by month

Share of searches by month for Red Bull, Celsius, Monster Energy, Alani Nu, Ghost, C4. The figures are in the table below the chart.

View monthly share of searches table
MonthRed BullCelsiusMonster EnergyAlani NuGhostC4RockstarBangNOSBucked UpReignZOA
Oct 202541.1%28.5%15.1%6.8%3%1.4%1.1%1.1%0.49%0.4%0.74%0.4%
Nov 202542.7%26.1%15.7%7%3.1%1.1%1.1%1.1%0.51%0.28%0.63%0.51%
Dec 202537.5%26%16.8%9.2%4.1%1.2%1.2%1%0.45%0.45%0.67%1.2%
Jan 202643.7%21.9%16%8.8%3.2%1.2%1.2%0.96%0.43%0.28%0.52%1.8%
Feb 202647.4%23.8%14.2%6.4%2.9%1.3%1%1%0.46%0.25%0.57%0.7%
Mar 202644.9%25.5%13.5%7.4%3.3%1.2%1.2%1.2%0.54%0.29%0.66%0.36%
Apr 202644.9%20.9%13.5%11%4%1.2%1.2%1.2%0.54%0.36%0.66%0.54%
May 202648.8%21.2%14.6%5.4%4.4%1.3%1.1%1.1%0.59%0.39%0.72%0.39%
Jun 202641.3%28.7%12.4%6.8%4.5%1.4%1.4%1.1%0.74%0.4%0.74%0.49%
Jul 202636.7%31.2%13.5%6%4.9%1.5%1.5%1.2%0.81%0.43%0.81%1.5%
Aug 202639.2%22.3%11.7%14.4%6.4%1.3%1.3%0.86%0.7%0.38%0.58%0.86%
Sep 202648.6%19.9%11.9%8%5.3%1.6%1.3%0.87%0.71%0.58%0.58%0.58%

  1. 1.Red Bull

    48.6%

    Held 1st. 450K estimated branded searches, +22.3% vs prior month. Share +9.4 points.

  2. 2.Celsius

    19.9%

    Held 2nd. 185K estimated branded searches, -11.7% vs prior month. Share -2.3 points.

  3. 3.Monster Energy

    11.9%

    Moved from 4th to 3rd. 110K estimated branded searches, 0% vs prior month. Share +0.2 points.

  4. 4.Alani Nu

    8%

    Moved from 3rd to 4th. 74K estimated branded searches, -45.2% vs prior month. Share -6.4 points.

  5. 5.Ghost

    5.3%

    Held 5th. 49.5K estimated branded searches, -18.2% vs prior month. Share -1.1 points.

  6. 6.C4

    1.6%

    Held 6th. 14.8K estimated branded searches, +22.3% vs prior month. Share +0.3 points.

  7. 7.Rockstar

    1.3%

    Held 7th. 12.1K estimated branded searches, 0% vs prior month. Share 0 points.

  8. 8.Bang

    0.87%

    Held 8th. 8.1K estimated branded searches, 0% vs prior month. Share 0 points.

  9. 9.NOS

    0.71%

    Moved from 10th to 9th. 6.6K estimated branded searches, 0% vs prior month. Share 0 points.

  10. 10.Bucked Up

    0.58%

    Moved from 12th to 10th. 5.4K estimated branded searches, +50% vs prior month. Share +0.2 points.

  11. 11.Reign

    0.58%

    Held 11th. 5.4K estimated branded searches, 0% vs prior month. Share 0 points.

  12. 12.ZOA

    0.58%

    Moved from 9th to 12th. 5.4K estimated branded searches, -33.3% vs prior month. Share -0.3 points.

Compare popularity between C4 and its closest rivals

Every comparison with C4

11 comparisons

How has branded search demand for C4 changed in the United States over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for C4 in the United States rose from 12.1K to 14.8K.
  • Across the 12 months ending September 2026, C4’s share of searches among energy drink brands in the United States held steady, from 1.4% to 1.6%.

How did search popularity change for United States energy drink brands in September 2026?

6 changes

  1. In September 2026, Red Bull gained share of searches among energy drink brands in the United States, from 39.2% to 48.6%.

  2. In September 2026, Alani Nu lost share of searches among energy drink brands in the United States, from 14.4% to 8%.

  3. In September 2026, Celsius lost share of searches among energy drink brands in the United States, from 22.3% to 19.9%.

  4. In September 2026, Ghost lost share of searches among energy drink brands in the United States, from 6.4% to 5.3%.

  5. In September 2026, Bucked Up rose from 12th to 10th among energy drink brands in the United States.

  6. In September 2026, Monster Energy rose from 4th to 3rd among energy drink brands in the United States.

How are C4’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using C4’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • c4 energy

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How the Brand Demand Index is measured

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