# ChatGPT vs Perplexity: who uses which

On usedby, 40 companies use ChatGPT and 26 use Perplexity. 1 company uses both, including PayPal. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 29 of 66 public lines checked.

## Side by side

|  | [ChatGPT](https://www.usedby.ai/tools/chatgpt.md) | [Perplexity](https://www.usedby.ai/tools/perplexity.md) |
|---|---|---|
| Public customers | 40 | 26 |
| Confirmed | 0 | 12 |
| Observed | 35 | 14 |
| Signals (job posts) | 5 | 0 |
| Top industries of customers | DevTools & Infrastructure (4), Banking & Mortgages (3), Fintech & Payments (3) | Fintech & Payments (5), Investment & VC (4), Artificial Intelligence (3) |
| Category | Foundation Models (LLMs) | AI Search & Research |
| Free trial | Free trial or free plan available. ([chatgpt.com](https://chatgpt.com/pricing/), checked 2026-10-04) | — |
| Integrations | Gmail, Remote Desktop Commander, Google Drive, GitHub, Outlook Email, Slack, Notion, Google Calendar, Canva, Dropbox, Shopify, Figma ([chatgpt.com](https://chatgpt.com/plugins), checked 2026-10-04) | — |
| Pricing | Free: $0 / month; Go: $8 / month; Plus: $20 / month; Pro: $100 / month ([chatgpt.com](https://chatgpt.com/pricing/), checked 2026-10-04) | — |
| Data processing terms | — | A data processing agreement is available. ([trust.perplexity.ai](https://trust.perplexity.ai/), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [PayPal](https://www.usedby.ai/companies/paypal.md) |

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Source: https://www.usedby.ai/compare/chatgpt-vs-perplexity · How we check: https://www.usedby.ai/methodology