# Claude vs Gemini: who uses which

On usedby, 170 companies use Claude and 77 use Gemini. 18 companies use both, including Intuit, Spotify and Figma. 2 of them are 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: 219 of 247 public lines checked.

## Side by side

|  | [Claude](https://www.usedby.ai/tools/claude.md) | [Gemini](https://www.usedby.ai/tools/gemini.md) |
|---|---|---|
| Public customers | 170 | 77 |
| Confirmed | 88 | 75 |
| Observed | 43 | 0 |
| Signals (job posts) | 39 | 2 |
| Top industries of customers (every proof level) | DevTools & Infrastructure (27), Artificial Intelligence (26), Fintech & Payments (16) | Artificial Intelligence (13), Data & Analytics (6), DevTools & Infrastructure (5) |
| Category | AI assistants | AI assistants |
| Security | SOC 2 Type II, ISO 27001, ISO 42001, HIPAA, FedRAMP, Cyber Essentials ([trust.anthropic.com](https://trust.anthropic.com/), checked 2026-10-04) | — |
| Data processing terms | A data processing agreement is available. ([trust.anthropic.com](https://trust.anthropic.com/), 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, Claude | Proof, Gemini | First public proof, Claude | First public proof, Gemini |
|---|---|---|---|---|
| [Intuit](https://www.usedby.ai/companies/intuit.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Spotify](https://www.usedby.ai/companies/spotify.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Figma](https://www.usedby.ai/companies/figma.md) | Confirmed | Confirmed | — | On or before October 2026 |
| [TELUS](https://www.usedby.ai/companies/telus.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Box](https://www.usedby.ai/companies/box.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Hebbia](https://www.usedby.ai/companies/hebbia.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Harvey](https://www.usedby.ai/companies/harvey.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Vapi](https://www.usedby.ai/companies/vapi.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Lovable](https://www.usedby.ai/companies/lovable.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Windsurf](https://www.usedby.ai/companies/windsurf.md) | Confirmed | Confirmed | On or before October 2026 | On or before October 2026 |
| [SAP](https://www.usedby.ai/companies/sap.md) | Observed | Confirmed | On or before October 2024 | On or before October 2026 |
| [Palo Alto Networks](https://www.usedby.ai/companies/palo-alto-networks.md) | Observed | Confirmed | On or before October 2026 | On or before October 2026 |
| [Thomson Reuters](https://www.usedby.ai/companies/thomson-reuters.md) | Observed | Confirmed | On or before October 2025 | On or before October 2026 |
| [Notion](https://www.usedby.ai/companies/notion.md) | Observed | Confirmed | On or before September 2025 | On or before October 2026 |
| [Quora](https://www.usedby.ai/companies/quora.md) | Observed | Confirmed | On or before October 2024 | On or before October 2026 |
| [Emergent](https://www.usedby.ai/companies/emergent.md) | Observed | Confirmed | On or before January 2026 | On or before October 2026 |
| [Fivetran](https://www.usedby.ai/companies/fivetran.md) | Signal (job post) | Signal (job post) | — | — |
| [Grafana Labs](https://www.usedby.ai/companies/grafana-labs.md) | Signal (job post) | Signal (job post) | Job post, May 2026 | Job post, May 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Claude: [Carvana](https://www.usedby.ai/case-studies/carvana-claude.md): **65%**: “Claude Tag reduced the time required to reach an answer by 65%” (captured by usedby 2026-10-12)
- Claude: [Figma](https://www.usedby.ai/case-studies/figma-claude.md): **five minutes**: “I prototyped a new product flow with Figma Make in five minutes.” (captured by usedby 2026-10-12)

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