# Doccano vs Scale AI

**Leader by vioscaleAI score:** Scale AI

| Attribute | Doccano | Scale AI |
|---|---|---|
| **vioscaleAI score** | 40.3 (57% (medium)) | 57.8 (45% (low)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 7 | - |
| adoption.github_stars | 10,798 | - |
| content.faq | `[{"answer":"A web-based data labeling tool that enables users to annotate text for machine learning tasks including text classification, sequence labeling, and sequence-to-sequence tasks. Projects can be set up by uploading datasets and working through annotations collaboratively via a browser interface or REST API. It is indexed under Data Labeling.","source":"https://doccano.github.io/doccano/","question":"What is Doccano?","confidence":0.6},{"answer":"Doccano is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://doccano.github.io/doccano/","question":"Is Doccano free to use?","confidence":0.6},{"answer":"Doccano supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://doccano.github.io/doccano/","question":"What platforms does Doccano support?","confidence":0.6},{"answer":"Yes. Doccano can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://doccano.github.io/doccano/","question":"Can Doccano be self-hosted?","confidence":0.6},{"answer":"Yes. Doccano is published under the MIT 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/doccano/doccano","question":"Is Doccano open source?","confidence":0.95}]` | `[{"answer":"A platform for annotating and managing data for machine learning projects, with enterprise generative AI applications built on your data. It is indexed under Data Labeling.","source":"https://scale.com/pricing","question":"What is Scale AI?","confidence":0.6},{"answer":"Scale AI offers a free tier, so you can start without paying. Paid plans are also available: Enterprise and Self-Serve Data Engine. Pricing changes often, so verify at source before relying on it.","source":"https://scale.com/pricing","question":"Is Scale AI free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Scale AI. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://scale.com/pricing","question":"What platforms does Scale AI support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Scale AI, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://scale.com/pricing","question":"Can Scale AI be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Scale AI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Scale AI not holding them. Always confirm compliance directly before you rely on it.","source":"https://scale.com/security","question":"What security certifications does Scale AI have?","confidence":0.7},{"answer":"Scale AI is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://scale.com/pricing","question":"Where is Scale AI available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | An open-source tool that enables humans to label text data for machine learning tasks like text classification, sequence labeling, and sequence-to-sequence problems. Users can prepare labeled datasets for applications such as sentiment analysis, named entity recognition, and text summarization. | Provides private evaluation frameworks and leaderboards for assessing and comparing AI models, used by leading AI development teams. |
| features.capabilities | `{"open_source":true,"on_prem_private_cloud":true,"programmatic_labeling":true}` | `{"soc2":true,"soc2_type_ii":true,"architecture_model":"managed_cloud_saas_platform","rlhf_preference_data":true,"rlhf_and_dpo_preference_alignment_optimization":true}` |
| integrations.count | 0 | - |
| language.primary | Python | - |
| license.spdx | MIT | - |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://doccano.github.io/doccano/","retrievedAt":"2026-10-13T22:35:56.686Z"}` | `{"type":"hybrid","plans":[{"free":false,"name":"Enterprise","summary":"Contact for pricing","features":["Enterprise-grade quality & SLAs","Access to Data Engine and Enterprise GenAI Platform","Dedicated customer operations support","Data annotation services","Data management","Custom enterprise AI applications"],"description":"Strategic AI initiatives with enterprise-grade quality and SLAs","contactSales":true},{"free":false,"name":"Self-Serve Data Engine","summary":"Pay-as-you-go with free tier","features":["Data annotation and management for ML projects","Quality optimization","Free tier: 10,000 images"],"description":"Pay-as-you-go data annotation and management for experimental or research projects","contactSales":false,"includedLimits":{"images":"10,000 free"}}],"summary":"Enterprise (contact sales) and Self-Serve pay-as-you-go tiers with free tier","currency":"USD","freeTier":true,"sourceUrl":"https://scale.com/pricing","retrievedAt":"2026-08-18T21:42:41.496Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | quote |
| pricing.price_level | free | unknown |
| pricing.transparent | yes | no |
| release.cadence_days | 10 | - |
| release.history | `[{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.5","date":"2026-01-11T15:19:29Z","type":"stable","version":"v1.8.5"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.4","date":"2023-07-20T12:01:51Z","type":"stable","version":"v1.8.4"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.3","date":"2022-12-08T12:12:53Z","type":"stable","version":"v1.8.3"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.2","date":"2022-11-29T02:07:31Z","type":"stable","version":"v1.8.2"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.1","date":"2022-11-28T02:36:08Z","type":"stable","version":"v1.8.1"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.8.0","date":"2022-07-11T02:46:10Z","type":"stable","version":"v1.8.0"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.7.0","date":"2022-05-19T08:52:05Z","type":"stable","version":"v1.7.0"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.6.2","date":"2022-03-14T05:33:45Z","type":"stable","version":"v1.6.2"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.6.1","date":"2022-03-14T01:33:47Z","type":"stable","version":"v1.6.1"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.6.0","date":"2022-03-11T06:30:30Z","type":"stable","version":"v1.6.0"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.5","date":"2021-12-03T05:38:10Z","type":"stable","version":"v1.5.5"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.4","date":"2021-12-01T01:55:21Z","type":"stable","version":"v1.5.4"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.3","date":"2021-11-30T23:28:14Z","type":"stable","version":"v1.5.3"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.2","date":"2021-11-09T06:03:39Z","type":"stable","version":"v1.5.2"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.1","date":"2021-11-05T05:41:26Z","type":"stable","version":"v1.5.1"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.5.0","date":"2021-10-25T06:03:17Z","type":"stable","version":"v1.5.0"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.4.1","date":"2021-05-25T01:28:02Z","type":"stable","version":"v1.4.1"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.4.0","date":"2021-05-18T02:07:49Z","type":"stable","version":"v1.4.0"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.3.1","date":"2021-04-26T05:55:52Z","type":"stable","version":"v1.3.1"},{"url":"https://github.com/doccano/doccano/releases/tag/v1.3.0","date":"2021-04-21T07:23:08Z","type":"stable","version":"v1.3.0"}]` | - |
| security.disclosure_policy | - | yes |
| security.fedramp | - | yes |
| security.gdpr | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 4.6 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=doccano&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Data Labeling)

| Capability | Doccano | Scale AI |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Model assisted labeling | - | - |
| Programmatic labeling | ✓ | - |
| Rlhf preference data | - | ✓ |
| On prem private cloud | ✓ | - |
| Open source | ✓ | - |
| SOC2 | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:17:04.303Z. "-" = undocumented, not absent.*