# GitHub Copilot vs Sourcegraph: who uses which

On usedby, 48 companies use GitHub Copilot and 27 use Sourcegraph. 2 companies use both, including Lyft and Stripe. Counts include every proof level, job-post signals included; each company keeps its proof level on each side. Latest check 2026-10-19: 66 of 75 public lines checked.

## Side by side

|  | [GitHub Copilot](https://www.usedby.ai/tools/github-copilot.md) | [Sourcegraph](https://www.usedby.ai/tools/sourcegraph.md) |
|---|---|---|
| Public customers | 48 | 27 |
| Confirmed | 8 | 17 |
| Observed | 26 | 9 |
| Signals (job posts) | 14 | 1 |
| Top industries of customers (every proof level) | Fintech & Payments (5), Automotive Manufacturing (4), Data & Analytics (4) | Fintech & Payments (4), Marketing Tech (3), Media & Publishing (3) |
| Category | AI coding assistants & agents | AI coding assistants & agents |
| Free trial | Free trial or free plan available. ([github.com](https://github.com/pricing), checked 2026-10-04) | — |
| Data processing terms | — | A data processing agreement is available. ([security.sourcegraph.com](https://security.sourcegraph.com/), checked 2026-10-19) |

## 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, GitHub Copilot | Proof, Sourcegraph | First public proof, GitHub Copilot | First public proof, Sourcegraph |
|---|---|---|---|---|
| [Lyft](https://www.usedby.ai/companies/lyft.md) | Observed | Confirmed | On or before October 2024 | On or before October 2026 |
| [Stripe](https://www.usedby.ai/companies/stripe.md) | Observed | Observed | On or before October 2024 | On or before October 2026 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- GitHub Copilot: [Doctolib](https://www.usedby.ai/case-studies/doctolib-github-copilot.md): **87.5%**: “87.5% time saving when creating new workflows with GitHub Actions” (published 2023-12-11)
- GitHub Copilot: [EY](https://www.usedby.ai/case-studies/ey-github-copilot.md): **2,000**: “EY has now rolled out GitHub Copilot to all its 2,000 developers.” (published 2024-02-02)

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Source: https://www.usedby.ai/compare/github-copilot-vs-sourcegraph · How we check: https://www.usedby.ai/methodology