# Flagsmith vs OpenFeature

**Leader by vioscaleAI score:** Flagsmith

| Attribute | Flagsmith | OpenFeature |
|---|---|---|
| **vioscaleAI score** | 58.8 (77% (high)) | 53.4 (9% (low)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 6,592 | - |
| adoption.package_downloads_weekly | 143,238 | - |
| content.faq | `[{"answer":"A feature flag management platform enabling teams to toggle features on/off for specific users, segments, or environments without redeploying. Supports A/B testing, remote configuration, and deployment across cloud, private cloud, or on-premise infrastructure. It is indexed under Feature Flag Software.","source":"https://www.flagsmith.com/pricing","question":"What is Flagsmith?","confidence":0.6},{"answer":"Flagsmith is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. A commercial or hosted edition starts at $40 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.flagsmith.com/pricing","question":"Is Flagsmith free to use?","confidence":0.6},{"answer":"Flagsmith supports the web and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.flagsmith.com/pricing","question":"What platforms does Flagsmith support?","confidence":0.6},{"answer":"Yes. Flagsmith can be deployed cloud / SaaS, air-gapped and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.flagsmith.com/pricing","question":"Can Flagsmith be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Flagsmith, including Jira, Analytics platforms (for A/B testing) and OpenFeature standard. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.flagsmith.com/pricing","question":"What does Flagsmith integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Flagsmith. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Flagsmith not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.flagsmith.com","question":"What security certifications does Flagsmith have?","confidence":0.7},{"answer":"Yes. Flagsmith is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/Flagsmith/flagsmith","question":"Is Flagsmith open source?","confidence":0.99},{"answer":"Flagsmith is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://www.flagsmith.com/pricing","question":"Where is Flagsmith available?","confidence":0.75}]` | `[{"answer":"A community-driven specification and SDKs that enable applications to integrate feature flags from any management platform or custom solution without vendor lock-in. It is indexed under Feature Flag Software.","source":"https://openfeature.dev","question":"What is OpenFeature?","confidence":0.6},{"answer":"OpenFeature is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://openfeature.dev","question":"Is OpenFeature free to use?","confidence":0.6},{"answer":"OpenFeature supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://openfeature.dev","question":"What platforms does OpenFeature support?","confidence":0.6},{"answer":"Yes. OpenFeature can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://openfeature.dev","question":"Can OpenFeature be self-hosted?","confidence":0.6},{"answer":"We have confirmed 22 integrations for OpenFeature, including ConfigCat, GO Feature Flag, DevCycle, Flipswitch, Kameleoon, Flagsmith, flagd and Datadog, plus 14 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://openfeature.dev","question":"What does OpenFeature integrate with?","confidence":0.6}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | An open-source platform for managing feature flags and remote configuration across web, mobile, and server-side applications. Enables controlled rollouts, A/B testing, and runtime configuration changes without code deployment. | An open-source specification that provides a unified API for feature flag evaluation, allowing development teams to switch between different feature flag management platforms without code changes. Designed to prevent vendor lock-in while supporting integration with any feature flag system. |
| features.capabilities | `{"hosting":"both","open_source":true,"openfeature":true,"sdk_breadth":"broad","audit_approvals":true,"code_references":true,"edge_evaluation":true,"experimentation":true,"targeting_rules":true,"percentage_rollout":true}` | `{"hosting":"both","open_source":true,"openfeature":true,"sdk_breadth":"broad","local_evaluation":true}` |
| integrations.count | 7 | 263 |
| integrations.list | `[{"name":"Jira"},{"name":"Analytics platforms (for A/B testing)"},{"name":"OpenFeature standard"},{"name":"GitHub","native":true},{"name":"GitLab","native":true},{"name":"Sentry","native":true},{"name":"Datadog","native":true},{"name":"Okta","native":true,"category":"auth"},{"name":"OpenTelemetry","native":true,"category":"observability"}]` | `[{"name":"ConfigCat"},{"name":"GO Feature Flag"},{"name":"DevCycle"},{"name":"Flipswitch"},{"name":"Kameleoon"},{"name":"Flagsmith"},{"name":"flagd"},{"name":"Datadog"},{"name":"LaunchDarkly"},{"name":"Mixpanel"},{"name":"Split"},{"name":"Confidence by Spotify"},{"name":"Flipt"},{"name":"Hyphen AI"},{"name":"GrowthBook"},{"name":"OFREP"},{"name":"Unleash"},{"name":"VWO"},{"name":"Bucketeer"},{"name":"CloudBees"},{"name":"AB Tasty"},{"name":"Vercel"},{"name":"Vercel Flags","native":true}]` |
| language.primary | Python | - |
| license.spdx | BSD-3-Clause | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","features":["Up to 50,000 requests per month","1 team member","Unlimited feature flags","Unlimited environments","Unlimited identities and segments","API access"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"requests":"50k/mo"}},{"free":false,"name":"Start-Up","summary":"$40/month","features":["1,000,000 requests per month","3 team members","Email technical support","Scheduled flags","3rd party integrations"],"minSeats":3,"components":[{"kind":"fixed","amount":40,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"requests":"1M/mo"}},{"free":false,"name":"Growing","summary":"$50/seat/month","features":["SAML/SSO authentication","Governance features (roles, permissions, change requests, audit logs)","Priority email and chat technical support"],"components":[{"kind":"per_unit","unit":"seat","amount":50,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Enterprise","features":["Custom hosting solutions","Real-time technical support via chat","Enterprise SLA"],"contactSales":true}],"summary":"Free tier (50k requests/month). Paid plans from $40/month.","currency":"USD","freeTier":true,"sourceUrl":"https://www.flagsmith.com/pricing","retrievedAt":"2026-10-15T09:25:35.990Z","freeTrialDays":14,"startingPrice":{"amount":40,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://openfeature.dev","retrievedAt":"2026-08-14T11:11:20.759Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | mid | free |
| pricing.starting_price | `{"amount":40,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| release.cadence_days | 1 | - |
| release.history | `[{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.285.0","date":"2026-10-15T09:02:31Z","type":"stable","version":"v2.285.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.284.0","date":"2026-10-13T13:44:08Z","type":"stable","version":"v2.284.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.283.0","date":"2026-10-13T09:21:33Z","type":"stable","version":"v2.283.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.282.0","date":"2026-10-12T08:58:58Z","type":"stable","version":"v2.282.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.281.0","date":"2026-10-12T08:16:34Z","type":"stable","version":"v2.281.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.280.0","date":"2026-10-05T10:35:02Z","type":"stable","version":"v2.280.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.279.0","date":"2026-10-01T09:53:53Z","type":"stable","version":"v2.279.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.278.1","date":"2026-09-30T19:07:25Z","type":"stable","version":"v2.278.1"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.278.0","date":"2026-09-30T10:19:49Z","type":"stable","version":"v2.278.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.277.0","date":"2026-09-29T15:29:15Z","type":"stable","version":"v2.277.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.276.0","date":"2026-09-24T10:28:11Z","type":"stable","version":"v2.276.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.275.0","date":"2026-09-23T21:56:09Z","type":"stable","version":"v2.275.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.274.0","date":"2026-09-23T08:25:29Z","type":"stable","version":"v2.274.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.273.0","date":"2026-09-16T14:01:59Z","type":"stable","version":"v2.273.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.272.0","date":"2026-09-15T11:17:23Z","type":"stable","version":"v2.272.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.271.1","date":"2026-09-10T14:29:38Z","type":"stable","version":"v2.271.1"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.271.0","date":"2026-09-09T12:04:58Z","type":"stable","version":"v2.271.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.270.0","date":"2026-09-07T08:33:37Z","type":"stable","version":"v2.270.0"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.269.1","date":"2026-09-03T07:58:59Z","type":"stable","version":"v2.269.1"},{"url":"https://github.com/Flagsmith/flagsmith/releases/tag/v2.269.0","date":"2026-09-02T10:12:01Z","type":"stable","version":"v2.269.0"}]` | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | - | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FFlagsmith%2Fflagsmith&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Feature Flag Software)

| Capability | Flagsmith | OpenFeature |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |
| **Rollout** |  |  |
| Percentage rollout | ✓ | - |
| Attribute / segment targeting | ✓ | - |
| **Evaluation** |  |  |
| Local evaluation (no call home) | - | ✓ |
| Edge / CDN evaluation | ✓ | - |
| **Experimentation** |  |  |
| Built-in A/B experimentation | ✓ | - |
| Experiment stats engine | - | - |
| **Standards** |  |  |
| OpenFeature-compliant provider | ✓ | ✓ |
| **Governance** |  |  |
| Audit logs + change approvals | ✓ | - |
| Stale-flag / code reference detection | ✓ | - |
| **Coverage** |  |  |
| SDK breadth | Broad | Broad |
| **Licensing** |  |  |
| Self-hostable OSS core | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:14:12.412Z. "-" = undocumented, not absent.*