# ChatGPT vs Exa: who uses which

On usedby, 56 companies use ChatGPT and 22 use Exa. 1 company uses both, including RingCentral. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-11-15: 48 of 78 public lines checked.

## Side by side

|  | [ChatGPT](https://www.usedby.ai/tools/chatgpt.md) | [Exa](https://www.usedby.ai/tools/exa.md) |
|---|---|---|
| Public customers | 56 | 22 |
| Confirmed | 12 | 13 |
| Observed | 32 | 6 |
| Signals (job posts) | 12 | 0 |
| Top industries of customers (every proof level) | Fintech & Payments (5), Banking & Mortgages (4), DevTools & Infrastructure (4) | DevTools & Infrastructure (5), Artificial Intelligence (2), Marketing Tech (2) |
| Category | AI assistants | AI search & research |
| Security | ChatGPT Enterprise and Edu · ISO 27001, ISO 27701 ChatGPT business products · SOC 2 Type II ([openai.com](https://openai.com/security-and-privacy/), checked 2026-11-13) | SOC 2 Type II, HIPAA ([trust.exa.ai](https://trust.exa.ai/), checked 2026-11-15) |
| Free trial | Free trial or free plan available. ([chatgpt.com](https://chatgpt.com/pricing/), checked 2026-11-13) | Free trial or free plan available. ([exa.ai](https://exa.ai/pricing), checked 2026-11-15) |
| Integrations | Google Drive, Atlassian, GitHub, Slack, Notion, HubSpot, Shopify, Canva, Dropbox, Stripe, Outlook Email, Asana ([chatgpt.com](https://chatgpt.com/plugins), checked 2026-10-20) | n8n, Make, Zapier, Google Sheets, LangChain, LlamaIndex, CrewAI, Vercel AI SDK, Dify, Flowise, Langflow, Snowflake ([exa.ai](https://exa.ai/integrations), checked 2026-11-15) |
| Pricing | Free: $0 / month; Go: $8 / month; Plus: $20 / month; Pro: from $100 / month ([chatgpt.com](https://chatgpt.com/pricing/), checked 2026-11-13) | — |
| Data processing terms | — | A data processing agreement is available. ([exa.ai](https://exa.ai/dpa), checked 2026-11-15) |

## 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, Exa | First public proof, ChatGPT | First public proof, Exa |
|---|---|---|---|---|
| [RingCentral](https://www.usedby.ai/companies/ringcentral.md) | Confirmed | Declared by the company | On or before October 2026 | On or before November 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)
- Exa: [HockeyStack](https://www.usedby.ai/case-studies/hockeystack-exa.md): **9.1M**: “More than 9.1M Search requests to date” (captured by usedby 2026-11-12)
- Exa: [11X](https://www.usedby.ai/case-studies/11x-exa.md): **7.2M**: “More than 7.2M Search requests to date: 11x uses Exa Search for high-volume prospect and account research.” (captured by usedby 2026-11-12)

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