# Flagger vs Kargo

| Attribute | Flagger | Kargo |
|---|---|---|
| **Vioscale score** | 45.2 (28% (low)) | 42.8 (28% (low)) |
| activity.commits_last_30d | 10 | 73 |
| adoption.dependent_repos | 10 | 0 |
| adoption.github_stars | 5,395 | 3,602 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Infrastructure automation tool for Kubernetes that manages staged application releases using canary deployments, A/B testing, or blue-green strategies. It progressively shifts traffic to new versions while monitoring system health and running conformance tests to minimize production risk. | A continuous promotion orchestration platform that manages the deployment of applications through multiple stages and environments while adhering to GitOps principles and integrating with Kubernetes infrastructure. |
| integrations.count | 12 | 2 |
| integrations.list | `[{"name":"Istio"},{"name":"Linkerd"},{"name":"Kuma"},{"name":"Knative"},{"name":"nginx"},{"name":"contour"},{"name":"gloo"},{"name":"traefik"},{"name":"skipper"},{"name":"Apache APISIX"},{"name":"Gateway API"},{"name":"Slack"}]` | `[{"name":"Argo CD"},{"name":"Helm"}]` |
| language.primary | Go | Go |
| license.spdx | Apache-2.0 | Apache-2.0 |
| pricing | `{"type":"open_source","sourceUrl":"https://flagger.app/","retrievedAt":"2026-08-19T23:31:50.668Z"}` | `{"type":"hybrid","plans":[{"free":false,"name":"Enterprise","contactSales":true}],"summary":"Free tier available; enterprise hosting available by inquiry","freeTier":true,"sourceUrl":"https://kargo.io/","retrievedAt":"2026-08-19T13:14:01.651Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | 50 | 4 |
| release.history | `[{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.44.0","date":"2026-07-21T04:41:29Z","type":"stable","version":"v1.44.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.43.0","date":"2026-04-21T13:24:06Z","type":"stable","version":"v1.43.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.42.0","date":"2025-10-16T14:03:00Z","type":"stable","version":"v1.42.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.41.0","date":"2025-04-02T11:48:30Z","type":"stable","version":"v1.41.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.40.0","date":"2024-12-17T09:46:38Z","type":"stable","version":"v1.40.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.39.0","date":"2024-11-26T12:09:01Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.38.0","date":"2024-07-30T13:43:09Z","type":"stable","version":"v1.38.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.37.0","date":"2024-03-26T13:45:13Z","type":"stable","version":"v1.37.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.36.1","date":"2024-03-06T08:16:31Z","type":"stable","version":"v1.36.1"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.36.0","date":"2024-02-07T19:45:09Z","type":"stable","version":"v1.36.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.35.0","date":"2023-11-30T15:39:59Z","type":"stable","version":"v1.35.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.34.0","date":"2023-10-04T10:30:29Z","type":"stable","version":"v1.34.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.33.0","date":"2023-08-29T14:56:35Z","type":"stable","version":"v1.33.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.32.0","date":"2023-07-14T10:29:23Z","type":"stable","version":"v1.32.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.31.0","date":"2023-05-10T17:08:04Z","type":"stable","version":"v1.31.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.30.0","date":"2023-04-12T15:26:22Z","type":"stable","version":"v1.30.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.29.0","date":"2023-02-21T09:01:45Z","type":"stable","version":"v1.29.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.28.0","date":"2023-01-26T12:25:17Z","type":"stable","version":"v1.28.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.27.0","date":"2022-12-16T10:17:42Z","type":"stable","version":"v1.27.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.26.0","date":"2022-11-23T14:57:06Z","type":"stable","version":"v1.26.0"}]` | `[{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.2","date":"2026-08-18T03:08:18Z","type":"stable","version":"v1.11.2"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.10","date":"2026-08-18T03:06:32Z","type":"stable","version":"v1.10.10"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.1","date":"2026-08-10T19:48:20Z","type":"stable","version":"v1.11.1"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0","date":"2026-07-24T18:21:10Z","type":"stable","version":"v1.11.0"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.6","date":"2026-07-23T03:54:57Z","type":"prerelease","version":"v1.11.0-rc.6"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.5","date":"2026-07-21T21:35:07Z","type":"prerelease","version":"v1.11.0-rc.5"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.4","date":"2026-07-16T22:08:35Z","type":"prerelease","version":"v1.11.0-rc.4"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.3","date":"2026-07-16T00:28:19Z","type":"prerelease","version":"v1.11.0-rc.3"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.9","date":"2026-07-14T23:57:17Z","type":"stable","version":"v1.10.9"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.9.10","date":"2026-07-14T23:57:57Z","type":"stable","version":"v1.9.10"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.2","date":"2026-07-10T19:12:49Z","type":"prerelease","version":"v1.11.0-rc.2"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.1","date":"2026-07-06T18:09:55Z","type":"prerelease","version":"v1.11.0-rc.1"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.8","date":"2026-06-25T23:58:01Z","type":"stable","version":"v1.10.8"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.9.9","date":"2026-06-25T23:40:58Z","type":"stable","version":"v1.9.9"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.8.14","date":"2026-06-25T23:42:10Z","type":"stable","version":"v1.8.14"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.7","date":"2026-06-12T15:57:58Z","type":"stable","version":"v1.10.7"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.6","date":"2026-06-09T16:51:15Z","type":"stable","version":"v1.10.6"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.5","date":"2026-06-01T16:31:21Z","type":"stable","version":"v1.10.5"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.4","date":"2026-05-14T16:53:42Z","type":"stable","version":"v1.10.4"},{"url":"https://github.com/akuity/kargo/releases/tag/v1.10.3","date":"2026-04-29T17:46:35Z","type":"stable","version":"v1.10.3"}]` |
| security.scorecard | 8.8 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Ffluxcd%2Fflagger&per_page=100","last_12m":0,"max_severity":null}` | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fakuity%2Fkargo&per_page=100","last_12m":4,"max_severity":"CRITICAL"}` |

## Capabilities (Gitops)

| Capability | Flagger | Kargo |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | - | - |
| Pull based sync | - | - |
| Helm chart support | - | - |
| Kustomize support | - | - |
| Sops vault secrets decryption | - | - |
| Canary blue green rollouts | - | - |
| Multi cluster sync | - | - |
| UI dashboard included | - | - |
| Drift detection healing | - | - |
| SSO SAML RBAC | - | - |
| Cncf graduated incubating | - | - |
| SOC2 type ii | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T16:41:55.317Z. "-" = undocumented, not absent.*