# Biome vs ESLint

**Leader by Vioscale score:** Biome

| Attribute | Biome | ESLint |
|---|---|---|
| **Vioscale score** | 72.3 (38% (low)) | 72.1 (44% (low)) |
| activity.commits_last_30d | 100 | 92 |
| adoption.github_stars | 25,460 | 27,432 |
| adoption.package_downloads_weekly | 11,910,506 | 152,976,775 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | A fast formatter and linter for JavaScript, TypeScript, JSX, TSX, JSON, HTML, CSS, and GraphQL with 97% Prettier compatibility. | ESLint is an open source pluggable linting utility for JavaScript and JSX that statically analyzes code to find problems. Many issues can be automatically fixed, and it integrates with text editors and CI pipelines. |
| features.capabilities | `{"autofix":true,"function":"linter_formatter","open_source":"oss","pricing_model":"free","language_scope":"multi_language","editor_integration":true}` | `{"autofix":true,"function":"linter","ci_gating":true,"deployment":"cli_local","open_source":"oss","config_model":"config_file","custom_rules":true,"impl_language":"JavaScript","pricing_model":"free","language_scope":"single_language","editor_integration":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Codemod"}]` |
| language.primary | Rust | JavaScript |
| license.spdx | Apache-2.0 | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://biomejs.dev","retrievedAt":"2026-08-05T14:07:10.279Z"}` | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","features":["Find issues in JavaScript code","Automatically fix problems","Custom parsers","Custom rules","Text editor integration","CI pipeline integration"],"description":"Free open source linter","contactSales":false}],"summary":"Free open source","freeTier":true,"sourceUrl":"https://eslint.org","retrievedAt":"2026-08-05T14:08:29.561Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| release.cadence_days | 6 | 13 |

## Capabilities (Code Quality Tools)

| Capability | Biome | ESLint |
|---|:--:|:--:|
| **Core** |  |  |
| Function | Linter + formatter | Linter |
| Language scope | Multi-language | Single-language |
| Implementation language | - | JavaScript |
| **Capability** |  |  |
| Autofix | ✓ | ✓ |
| **Config** |  |  |
| Config model | - | Config file |
| **Extensibility** |  |  |
| Custom rules | - | ✓ |
| **Deployment** |  |  |
| Deployment | - | CLI-local |
| **Delivery** |  |  |
| Editor integration | ✓ | ✓ |
| CI / VCS gating | - | ✓ |
| **Insight** |  |  |
| Code metrics | - | - |
| **Performance** |  |  |
| Incremental / monorepo aware | - | - |
| **Licensing** |  |  |
| Open-source | OSS | OSS |
| **Commercial** |  |  |
| Pricing model | Free | Free |

*Source: Vioscale. Generated 2026-08-07T00:01:55.210Z. "-" = undocumented, not absent.*