# Observable Framework vs Streamlit

| Attribute | Observable Framework | Streamlit |
|---|---|---|
| **vioscaleAI score** | 51.7 (29% (low)) | 52.6 (55% (medium)) |
| content.faq | `[{"answer":"Observable Framework is a tool for creating interactive web-based data applications with support for multiple data sources, visualizations, and deployment options. It enables developers to build dashboards and data apps using JavaScript, markdown, and various data loaders. It is indexed under Data Apps Internal Tools.","source":"https://observablehq.com/framework","question":"What is Observable Framework?","confidence":0.6},{"answer":"Observable Framework offers a free tier, so you can start without paying. Paid plans start at $10 per viewer per month. Pricing changes often, so verify at source before relying on it.","source":"https://observablehq.com/release-notes/2024-05-31-new-workspace-viewer-pricing","question":"Is Observable Framework free?","confidence":0.6},{"answer":"Observable Framework supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://observablehq.com/framework","question":"What platforms does Observable Framework support?","confidence":0.6},{"answer":"Yes. Observable Framework can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://observablehq.com/framework","question":"Can Observable Framework be self-hosted?","confidence":0.6},{"answer":"We have confirmed 11 integrations for Observable Framework, including DuckDB, D3, Observable Plot, deck.gl, Google Analytics, Datawrapper, GitHub and npm, plus 3 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://observablehq.com/framework","question":"What does Observable Framework integrate with?","confidence":0.6},{"answer":"Observable Framework is available worldwide. The vendor is headquartered in the United States.","source":"https://observablehq.com/release-notes/2024-05-31-new-workspace-viewer-pricing","question":"Where is Observable Framework available?","confidence":0.75}]` | `[{"answer":"A Python-based framework that transforms data scripts into interactive web applications for creating dashboards, reports, and data-driven apps without requiring front-end development expertise. It is indexed under Data Apps Internal Tools.","source":"https://streamlit.io","question":"What is Streamlit?","confidence":0.6},{"answer":"Streamlit does not publish its prices. Pricing is quoted on request, across 2 plans (Community Cloud and Snowflake), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://streamlit.io","question":"How much does Streamlit cost?","confidence":0.6},{"answer":"Streamlit supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://streamlit.io","question":"What platforms does Streamlit support?","confidence":0.6},{"answer":"Yes. Streamlit can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://streamlit.io","question":"Can Streamlit be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and ISO 27001 for Streamlit. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Streamlit not holding them. Always confirm compliance directly before you rely on it.","source":"https://streamlit.io/security","question":"What security certifications does Streamlit have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Observable Framework is a tool for creating interactive web-based data applications with support for multiple data sources, visualizations, and deployment options. It enables developers to build dashboards and data apps using JavaScript, markdown, and various data loaders. | An open-source Python framework that transforms data analysis scripts into shareable, interactive web applications. Supports both free public deployment through Streamlit Community Cloud and private enterprise deployments. |
| features.capabilities | `{"open_source":true,"self_hostable":true,"build_paradigm":"reactive_js_notebook","reactivity_model":"callback_based","embeddable_output":true,"managed_cloud_available":true,"component_library_breadth":"moderate"}` | `{"rbac_sso":true,"open_source":true,"pricing_model":"open_source_self_host","self_hostable":true,"build_paradigm":"code_first_python","reactivity_model":"full_script_rerun","managed_cloud_available":true,"component_library_breadth":"moderate"}` |
| integrations.count | 6 | 2 |
| integrations.list | `[{"name":"DuckDB"},{"name":"D3"},{"name":"Observable Plot"},{"name":"deck.gl"},{"name":"Google Analytics"},{"name":"Datawrapper"},{"name":"GitHub"},{"name":"npm"},{"name":"Google BigQuery","native":true,"category":"data"},{"name":"Airtable","native":true,"category":"data"},{"name":"Elasticsearch","native":true,"category":"data"},{"name":"R","native":true,"category":"data"}]` | `[{"name":"GitHub","native":true,"category":"deployment","direction":"bidirectional"},{"name":"Snowflake","native":true,"category":"data","direction":"bidirectional"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free"},{"free":false,"name":"Pro","components":[{"kind":"per_unit","unit":"viewer","amount":10,"period":"month","currency":"USD"}]},{"free":false,"name":"Enterprise","contactSales":true}],"summary":"Free tier available. Workspace viewers: $10/month each.","currency":"USD","freeTier":true,"sourceUrl":"https://observablehq.com/release-notes/2024-05-31-new-workspace-viewer-pricing","retrievedAt":"2026-08-20T12:47:06.676Z","startingPrice":{"unit":"viewer","amount":10,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community Cloud","features":["Public app deployment","Totally free","GitHub account required"],"description":"Free deployment and hosting of public apps through GitHub integration","contactSales":false},{"free":false,"name":"Enterprise","features":["Unlimited private apps","Enterprise-grade security","Snowflake infrastructure"],"description":"Unlimited private apps with enterprise-grade reliability and security on Snowflake","contactSales":true}],"summary":"Free for public apps. Enterprise tier available via Snowflake.","freeTier":true,"sourceUrl":"https://streamlit.io","retrievedAt":"2026-09-24T12:03:32.686Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | `{"amount":10,"currency":"USD"}` | - |
| pricing.transparent | no | no |
| security.certifications | - | `[{"name":"SOC 2 Type 1","level":"Type 1","status":"active"}]` |
| security.disclosure_policy | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.trust_center | - | https://streamlit.io/security |

## Capabilities (Data Apps Internal Tools)

| Capability | Observable Framework | Streamlit |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Build paradigm | Reactive js notebook | Code first python |
| Write actions support | - | - |
| Data source connector breadth | - | - |
| Reactivity model | Callback based | Full script rerun |
| Self hostable | ✓ | ✓ |
| Managed cloud available | ✓ | ✓ |
| Git version control | - | - |
| RBAC SSO | - | ✓ |
| Audit logging | - | - |
| AI app generation | - | - |
| Multiplayer editing | - | - |
| Embeddable output | ✓ | - |
| Component library breadth | Moderate | Moderate |
| Open source | ✓ | ✓ |
| Pricing model | - | Open source self host |

*Source: vioscaleAI. Generated 2026-10-16T17:47:09.419Z. "-" = undocumented, not absent.*