# Claude vs Perplexity: who uses which

On usedby, 73 companies use Claude and 26 use Perplexity. 2 companies use both, including Bridgewater and Snowflake. 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: 64 of 99 public lines checked.

## Side by side

|  | [Claude](https://www.usedby.ai/tools/claude.md) | [Perplexity](https://www.usedby.ai/tools/perplexity.md) |
|---|---|---|
| Public customers | 73 | 26 |
| Confirmed | 16 | 12 |
| Observed | 32 | 14 |
| Signals (job posts) | 25 | 0 |
| Top industries of customers | DevTools & Infrastructure (9), Data & Analytics (7), Fintech & Payments (7) | Fintech & Payments (5), Investment & VC (4), Artificial Intelligence (3) |
| Category | Foundation Models (LLMs) | AI Search & Research |
| 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) | A data processing agreement is available. ([trust.perplexity.ai](https://trust.perplexity.ai/), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side. The first public proof is not an adoption date.

| Company | First public proof, Claude |
|---|---|
| [Bridgewater](https://www.usedby.ai/companies/bridgewater.md) | — |
| [Snowflake](https://www.usedby.ai/companies/snowflake.md) | On or before September 2025 |

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