# Codeium vs Replit: who uses which

On usedby, 18 companies use Codeium and 31 use Replit. 1 company uses both, including Zillow. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 30 of 49 public lines checked.

## Side by side

|  | [Codeium](https://www.usedby.ai/tools/codeium.md) | [Replit](https://www.usedby.ai/tools/replit.md) |
|---|---|---|
| Public customers | 18 | 31 |
| Confirmed | 0 | 22 |
| Observed | 18 | 8 |
| Signals (job posts) | 0 | 1 |
| Top industries of named customers (confirmed or observed) | IT Services & System Integration (4), DevTools & Infrastructure (3), Aerospace & Defense (1) | DevTools & Infrastructure (3), PropTech & Management (2), Advertising & AdTech (1) |
| Category | AI Code Assistants | AI Code Editors |
| Security | — | SOC 2 Type II ([replit.com](https://replit.com/security), checked 2026-10-07) |
| Data processing terms | — | A data processing agreement is available. ([replit.com](https://replit.com/dpa), checked 2026-10-07) |
| Integrations | — | Stripe, Slack, Plaid, Figma, Notion, Google Workspace, Microsoft 365, Airtable, Shopify, Salesforce, Atlassian (Jira), Razorpay ([replit.com](https://replit.com/integrations), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Zillow](https://www.usedby.ai/companies/zillow.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Replit: [Greenleaf](https://www.usedby.ai/case-studies/greenleaf-replit.md): **$100k+**: “$100k+ saved” (published 2024-09-01)
- Replit: [SaaStr](https://www.usedby.ai/case-studies/saastr-replit.md): **$200,000+**: “Eliminating the speaker review agency saved SaaStr $200,000+ annually” (published 2025-02-01)

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