# ChatGPT vs Sakana AI: who uses which

On usedby, 54 companies use ChatGPT and 3 use Sakana AI. 1 company uses both, including MUFG. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-18: 26 of 57 public lines checked.

## Side by side

|  | [ChatGPT](https://www.usedby.ai/tools/chatgpt.md) | [Sakana AI](https://www.usedby.ai/tools/sakana-ai.md) |
|---|---|---|
| Public customers | 54 | 3 |
| Confirmed | 9 | 0 |
| Observed | 35 | 3 |
| Signals (job posts) | 10 | 0 |
| Top industries of customers (every proof level) | Fintech & Payments (5), Banking & Mortgages (4), DevTools & Infrastructure (4) | Banking & Mortgages (2), Investment & VC (1) |
| Category | AI assistants | Foundation models & model APIs |
| 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, Sakana AI | First public proof, ChatGPT |
|---|---|---|---|
| [MUFG](https://www.usedby.ai/companies/mufg.md) | Confirmed | Observed | On or before October 2026 |

## 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)

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