June 2026 · refreshed monthly · 90 prompts across 4 assistants
When shoppers ask an AI assistant "What's the best energy drink?", only a few energy drinks brands make the shortlist. In June 2026, across ChatGPT, Gemini, Perplexity and Amazon Rufus, Red Bull led with about 46% Share of AI, followed by Monster and Sting. The single biggest driver of these recommendations was editorial "best of" roundups. Here's the full leaderboard.
| # | Brand | ChatGPT | Gemini | Perplexity | Rufus | Share of AI | Trend |
|---|---|---|---|---|---|---|---|
| 1 | Red Bull | ● | ● | ● | ● | ▲ 3 | |
| 2 | Monster | ● | ● | ● | ● | NEW | |
| 3 | Sting | ◐ | ● | ● | ◐ | ▲ 3 | |
| 4 | Charged by Thums Up | ◐ | ◐ | ● | ● | ▼ 2 | |
| 5 | Hell Energy | ○ | ◐ | ○ | ◐ | ▬ | |
| 6 | Gatorade | ○ | ○ | ○ | ◐ | NEW | |
| 7 | Cloud9 | ○ | ◐ | ○ | ○ | ▬ | |
| 8 | Tzinga | ○ | ○ | ○ | ○ | ▲ 3 |
● frequently recommended ◐ sometimes ○ absent
The sources AI leans on when recommending energy drinks — this is where Share of AI is won or lost. Show up here and you show up in the answer.
▲ Gaining Share of AI
▼ Losing ground
We run about 90 representative buying prompts for energy drinks across ChatGPT, Gemini, Perplexity and Amazon Rufus, then measure how often and how prominently each brand appears, and which sources each assistant cites. Scores are comparable across brands and tracked month over month.
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