# Atlas vs Kysely

**Leader by Vioscale score:** Kysely

| Attribute | Atlas | Kysely |
|---|---|---|
| **Vioscale score** | 52.2 (56% (medium)) | 70.3 (79% (high)) |
| activity.commits_last_30d | 1 | 25 |
| adoption.dependent_repos | 593 | 1,155 |
| adoption.github_stars | 8,684 | 14,168 |
| adoption.package_downloads_weekly | - | 14,615,271 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A tool for managing database schemas declaratively as code, supporting schema migrations, security policies, data lineage, and multiple database backends. Includes both open-source and cloud-hosted versions with audit capabilities. | A JavaScript and TypeScript SQL query builder that provides compile-time type safety and database schema validation. It works across multiple runtimes (Node, Deno, Bun, Cloudflare Workers, browsers) with zero runtime dependencies and emphasizes composable, type-safe queries over higher-level abstractions. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Multiple databases: PostgreSQL, MySQL, MariaDB, MSSQL, SQLite, Oracle, Snowflake","relations":true,"migrations":true,"studio_gui":true,"schema_first":true}` | `{"raw_sql":true,"multi_db":true,"languages":"TypeScript, JavaScript (Node, Deno, Bun, Cloudflare Workers, browsers)","relations":true,"migrations":false,"studio_gui":false,"schema_first":true,"type_safe_queries":true,"connection_pooling":false}` |
| integrations.count | 3 | 21 |
| integrations.list | `[{"name":"GitHub"},{"name":"AWS Marketplace"},{"name":"Slack"}]` | `[{"name":"Supabase"},{"name":"Cursor"},{"name":"Windsurf"},{"name":"GitHub Copilot"},{"name":"ChatGPT"},{"name":"Claude"},{"name":"Claude Code"},{"name":"AirTrail"},{"name":"AWS Blocks"},{"name":"Conar"},{"name":"EmbedPDF"},{"name":"Hot Updater"},{"name":"inlang"},{"name":"Notesnook"},{"name":"OpenClaw"},{"name":"Reflect"},{"name":"Sink"},{"name":"Stacks"},{"name":"StudioCMS"},{"name":"Tunarr"},{"name":"ZenStack"}]` |
| language.primary | Go | TypeScript |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","description":"Community edition under Apache 2.0 license"},{"free":false,"name":"Atlas Pro","description":"Professional edition with additional features","contactSales":false},{"free":false,"name":"Atlas Cloud","description":"Managed cloud offering","contactSales":false}],"summary":"Free open-source tier; Atlas Pro and Cloud pricing TBD","freeTier":true,"sourceUrl":"https://atlasgo.io/blog/2024/03/03/pricing-change","retrievedAt":"2026-08-14T08:36:24.805Z"}` | `{"type":"open_source","summary":"Completely free and open source (MIT license)","freeTier":true,"sourceUrl":"https://kysely.dev","retrievedAt":"2026-08-14T08:37:15.404Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 40 | 10 |
| release.history | `[{"url":"https://github.com/ariga/atlas/releases/tag/v1.3.0","date":"2026-08-02T09:09:55Z","type":"stable","version":"v1.3.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v1.2.0","date":"2026-04-10T12:36:43Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v1.1.0","date":"2026-02-05T03:07:28Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v1.0.0","date":"2025-12-24T20:12:16Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.38.0","date":"2025-10-30T12:17:17Z","type":"stable","version":"v0.38.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.37.0","date":"2025-09-17T18:15:29Z","type":"stable","version":"v0.37.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.36.0","date":"2025-07-21T12:11:57Z","type":"stable","version":"v0.36.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.35.0","date":"2025-06-10T14:22:25Z","type":"stable","version":"v0.35.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.34.0","date":"2025-05-29T14:37:56Z","type":"stable","version":"v0.34.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.33.0","date":"2025-05-12T20:11:41Z","type":"stable","version":"v0.33.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.32.0","date":"2025-03-10T19:24:31Z","type":"stable","version":"v0.32.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.31.0","date":"2025-02-06T12:17:03Z","type":"stable","version":"v0.31.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.30.0","date":"2025-01-06T19:43:02Z","type":"stable","version":"v0.30.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.29.0","date":"2024-11-27T09:16:43Z","type":"stable","version":"v0.29.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.28.0","date":"2024-10-01T20:24:07Z","type":"stable","version":"v0.28.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.27.0","date":"2024-09-03T10:42:41Z","type":"stable","version":"v0.27.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.26.0","date":"2024-08-09T06:53:09Z","type":"stable","version":"v0.26.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.25.0","date":"2024-07-09T11:48:02Z","type":"stable","version":"v0.25.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.24.0","date":"2024-06-14T11:07:07Z","type":"stable","version":"v0.24.0"},{"url":"https://github.com/ariga/atlas/releases/tag/v0.23.0","date":"2024-05-21T12:11:55Z","type":"stable","version":"v0.23.0"}]` | `[{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.5","date":"2026-08-10T01:06:13Z","type":"stable","version":"v0.29.5"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.30.0-beta.1","date":"2026-07-26T17:34:07Z","type":"prerelease","version":"v0.30.0-beta.1"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.30.0-beta.0","date":"2026-07-25T12:45:33Z","type":"prerelease","version":"v0.30.0-beta.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.4","date":"2026-07-17T17:42:04Z","type":"stable","version":"v0.29.4"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.3","date":"2026-07-05T23:18:21Z","type":"stable","version":"v0.29.3"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.2","date":"2026-05-16T15:52:03Z","type":"stable","version":"v0.29.2"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.1","date":"2026-05-16T00:01:27Z","type":"stable","version":"v0.29.1"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.0","date":"2026-05-08T23:54:19Z","type":"stable","version":"v0.29.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.17","date":"2026-05-03T01:10:50Z","type":"stable","version":"v0.28.17"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.0-rc.0","date":"2026-04-24T20:13:08Z","type":"prerelease","version":"v0.29.0-rc.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.16","date":"2026-04-10T18:07:40Z","type":"stable","version":"v0.28.16"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.15","date":"2026-03-31T01:49:35Z","type":"stable","version":"v0.28.15"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.14","date":"2026-03-20T11:28:01Z","type":"stable","version":"v0.28.14"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.13","date":"2026-03-18T22:12:57Z","type":"stable","version":"v0.28.13"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.12","date":"2026-03-14T09:13:30Z","type":"stable","version":"v0.28.12"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.11","date":"2026-01-31T18:58:27Z","type":"stable","version":"v0.28.11"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.10","date":"2026-01-18T07:13:52Z","type":"stable","version":"v0.28.10"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.9","date":"2025-12-13T17:48:32Z","type":"stable","version":"v0.28.9"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.8","date":"2025-10-09T21:47:50Z","type":"stable","version":"v0.28.8"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.7","date":"2025-09-14T15:37:33Z","type":"stable","version":"v0.28.7"}]` |
| reliability.status_page | yes | - |
| security.gdpr | yes | - |
| security.scorecard | 5.8 | 7.3 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=ariga.io%2Fatlas&per_page=100","last_12m":0,"max_severity":null}` | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=kysely&per_page=100","last_12m":4,"max_severity":"HIGH"}` |

## Capabilities (ORM & Database Tools)

| Capability | Atlas | Kysely |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | - | ✓ |
| Schema migrations | ✓ | ✗ |
| Relations / joins API | ✓ | ✓ |
| Languages | Multiple databases: PostgreSQL, MySQL, MariaDB, MSSQL, SQLite, Oracle, Snowflake | TypeScript, JavaScript (Node, Deno, Bun, Cloudflare Workers, browsers) |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | ✓ |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | - | ✗ |
| **DX** |  |  |
| Data browser / studio | ✓ | ✗ |

*Source: Vioscale. Generated 2026-09-01T16:52:18.247Z. "-" = undocumented, not absent.*