# ChatGPT vs Glean: who uses which

On usedby, 40 companies use ChatGPT and 49 use Glean. 4 companies use both, including Canva, Intercom and Zapier. 1 more company appears on both with a job post (the weakest proof) on one side, counted apart. 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: 50 of 89 public lines checked.

## Side by side

|  | [ChatGPT](https://www.usedby.ai/tools/chatgpt.md) | [Glean](https://www.usedby.ai/tools/glean.md) |
|---|---|---|
| Public customers | 40 | 49 |
| Confirmed | 0 | 30 |
| Observed | 35 | 18 |
| Signals (job posts) | 5 | 1 |
| Top industries of customers | DevTools & Infrastructure (4), Banking & Mortgages (3), Fintech & Payments (3) | Fintech & Payments (6), Data & Analytics (5), Logistics & Supply Chain (3) |
| Category | Foundation Models (LLMs) | Knowledge & Internal Search |
| 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) | Slack, Google Drive, Jira, Confluence, SharePoint, GitHub, Salesforce, Microsoft 365, ServiceNow, Workday, Zendesk, Snowflake ([glean.com](https://www.glean.com/platform/connectors), 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) | — |
| Security | — | SOC 2 Type II, ISO 27001, ISO 42001, HIPAA ([glean.com](https://www.glean.com/platform/security), checked 2026-10-04) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Canva](https://www.usedby.ai/companies/canva.md) |
| [Intercom](https://www.usedby.ai/companies/intercom.md) |
| [Zapier](https://www.usedby.ai/companies/zapier.md) |
| [Zillow](https://www.usedby.ai/companies/zillow.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Glean: [Pure Storage](https://www.usedby.ai/case-studies/everpure-glean.md): **30+ min**: “30+ min saved on searches with Glean” (captured by usedby 2026-10-07)
- Glean: [Nile](https://www.usedby.ai/case-studies/nile-glean.md): **4 hours**: “What once took PMs up to 4 hours per document now takes just minutes” (captured by usedby 2026-10-07)

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