# ChatGPT vs Gemini: who uses which

On usedby, 54 companies use ChatGPT and 77 use Gemini. 6 companies use both, including Salesforce, Spotify and Etsy. 1 of them is known through a job post (the weakest proof) on at least one side. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-19: 100 of 131 public lines checked.

## Side by side

|  | [ChatGPT](https://www.usedby.ai/tools/chatgpt.md) | [Gemini](https://www.usedby.ai/tools/gemini.md) |
|---|---|---|
| Public customers | 54 | 77 |
| Confirmed | 11 | 75 |
| Observed | 33 | 0 |
| Signals (job posts) | 10 | 2 |
| Top industries of customers (every proof level) | Fintech & Payments (5), Banking & Mortgages (4), DevTools & Infrastructure (3) | Artificial Intelligence (13), Data & Analytics (6), DevTools & Infrastructure (5) |
| Category | AI assistants | AI assistants |
| 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) | — |

## Companies that use both

Every proof level counts; the proof level of each side is shown, strongest proofs first. The first public proof is not an adoption date.

| Company | Proof, ChatGPT | Proof, Gemini | First public proof, Gemini |
|---|---|---|---|
| [Salesforce](https://www.usedby.ai/companies/salesforce.md) | Observed | Confirmed | On or before October 2026 |
| [Spotify](https://www.usedby.ai/companies/spotify.md) | Observed | Confirmed | On or before October 2026 |
| [Etsy](https://www.usedby.ai/companies/etsy.md) | Observed | Confirmed | On or before October 2026 |
| [Figma](https://www.usedby.ai/companies/figma.md) | Observed | Confirmed | On or before October 2026 |
| [Notion](https://www.usedby.ai/companies/notion.md) | Observed | Confirmed | On or before October 2026 |
| [Fivetran](https://www.usedby.ai/companies/fivetran.md) | Signal (job post) | Signal (job post) | — |

## Published results

Reviewed stories only; usedby did not measure the figures.

- ChatGPT: [BBVA](https://www.usedby.ai/case-studies/bbva-chatgpt-b63f7d.md): **nearly three hours**: “with people saving nearly three hours per week on routine tasks and more than 80% engaging daily.” (captured by usedby 2026-10-18)
- ChatGPT: [Moderna](https://www.usedby.ai/case-studies/moderna-chatgpt-ff7525.md): story without a checked figure. (captured by usedby 2026-10-18)

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