# Fastly Image Optimizer vs Thumbor

**Leader by vioscaleAI score:** Fastly Image Optimizer

| Attribute | Fastly Image Optimizer | Thumbor |
|---|---|---|
| **vioscaleAI score** | 65.3 (38% (low)) | 55.6 (49% (low)) |
| activity.commits_last_30d | - | 32 |
| adoption.dependent_repos | - | 106 |
| adoption.github_stars | - | 10,517 |
| content.faq | `[{"answer":"An edge-based image optimization service that automatically resizes, transforms, and caches images in real-time to improve page load times and user experience across different devices and browsers. It is indexed under Image Optimization.","source":"https://www.fastly.com/pricing","question":"What is Fastly Image Optimizer?","confidence":0.6},{"answer":"Fastly Image Optimizer offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.fastly.com/pricing","question":"Is Fastly Image Optimizer free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Fastly Image Optimizer. 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://www.fastly.com/pricing","question":"What platforms does Fastly Image Optimizer support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Fastly Image Optimizer, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.fastly.com/pricing","question":"Can Fastly Image Optimizer be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Fastly Image Optimizer. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Fastly Image Optimizer not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.fastly.com/trust","question":"What security certifications does Fastly Image Optimizer have?","confidence":0.7},{"answer":"Fastly Image Optimizer is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://www.fastly.com/pricing","question":"Where is Fastly Image Optimizer available?","confidence":0.75}]` | `[{"answer":"Thumbor is an open-source image processing service that automatically optimizes images on-demand using smart face detection. It supports dynamic cropping, resizing, format conversion (including WebP), and image filters to improve website performance and reduce file sizes. It is indexed under Image Optimization.","source":"https://www.thumbor.org","question":"What is Thumbor?","confidence":0.6},{"answer":"Thumbor 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://www.thumbor.org","question":"Is Thumbor free to use?","confidence":0.6},{"answer":"Yes. Thumbor 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/thumbor/thumbor","question":"Is Thumbor open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | - |
| description.long | An edge-based image optimization service that automatically resizes, transforms, and caches images in real-time to improve page load times and user experience across different devices and browsers. | Thumbor is an open-source image processing service that automatically optimizes images on-demand using smart face detection. It supports dynamic cropping, resizing, format conversion (including WebP), and image filters to improve website performance and reduce file sizes. |
| features.capabilities | `{"architecture_model":"managed_cloud_api_cdn","global_cdn_edge_delivery_network_included":true,"on_the_fly_url_parameter_resizing_and_cropping":true,"auto_webp_avif_format_negotiation_via_browser_headers":true}` | `{"ai_smart_crop_face_detection_centering":true,"on_the_fly_url_parameter_resizing_and_cropping":true,"lossless_and_perceptual_lossy_compression_algorithms":true}` |
| language.primary | - | Python |
| license.spdx | - | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Free + Pay-as-you-go","summary":"100,000 free image requests/month, then $0.50 per 10,000 requests with volume discounts down to $0.015","components":[{"per":{"qty":10000,"unit":"image_requests"},"kind":"metered","amount":0.5,"currency":"USD"}],"includedLimits":{"image_requests":"100,000/mo"}}],"summary":"Free tier (100,000 image requests/month) + usage-based pricing from $0.015–$0.50 per 10,000 requests","currency":"USD","freeTier":true,"sourceUrl":"https://www.fastly.com/pricing","retrievedAt":"2026-09-01T14:42:05.208Z","billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.thumbor.org","retrievedAt":"2026-09-01T16:05:49.052Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 22 |
| release.history | - | `[{"url":"https://github.com/thumbor/thumbor/releases/tag/7.8.0","date":"2026-05-30T23:26:33Z","type":"stable","version":"7.8.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.7","date":"2025-05-15T16:32:04Z","type":"stable","version":"7.7.7"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.6","date":"2025-05-09T19:10:00Z","type":"stable","version":"7.7.6"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.5","date":"2025-04-05T01:12:04Z","type":"stable","version":"7.7.5"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.4","date":"2024-03-04T20:46:54Z","type":"stable","version":"7.7.4"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.3","date":"2024-01-09T13:27:32Z","type":"stable","version":"7.7.3"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.2","date":"2023-12-05T17:14:35Z","type":"stable","version":"7.7.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.1","date":"2023-11-08T20:51:20Z","type":"stable","version":"7.7.1"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.0","date":"2023-10-31T13:14:10Z","type":"stable","version":"7.7.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.6.0","date":"2023-10-09T12:42:45Z","type":"stable","version":"7.6.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.2","date":"2023-07-07T06:29:27Z","type":"stable","version":"7.5.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.1","date":"2023-06-20T20:43:21Z","type":"stable","version":"7.5.1"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.0","date":"2023-05-29T04:22:19Z","type":"stable","version":"7.5.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.7","date":"2023-01-31T12:52:29Z","type":"stable","version":"7.4.7"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.6","date":"2023-01-27T00:44:43Z","type":"stable","version":"7.4.6"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.5","date":"2023-01-27T00:43:25Z","type":"stable","version":"7.4.5"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.4","date":"2023-01-06T17:02:57Z","type":"stable","version":"7.4.4"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.3","date":"2023-01-04T20:30:03Z","type":"stable","version":"7.4.3"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.2","date":"2022-12-21T20:55:57Z","type":"stable","version":"7.4.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.1","date":"2022-12-22T10:26:03Z","type":"stable","version":"7.4.1"}]` |
| security.gdpr | yes | - |
| security.scorecard | - | 6.9 |
| security.trust_center | https://www.fastly.com/trust | - |
| security.vulnerabilities | - | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=thumbor&per_page=100","last_12m":6,"max_severity":"HIGH"}` |

## Capabilities (Image Optimization)

| Capability | Fastly Image Optimizer | Thumbor |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Managed cloud API CDN | - |
| On the fly URL parameter resizing and cropping | ✓ | ✓ |
| Auto webp avif format negotiation via browser headers | ✓ | - |
| AI smart crop face detection centering | - | ✓ |
| Lossless and perceptual lossy compression algorithms | - | ✓ |
| Global CDN edge delivery network included | ✓ | - |
| Watermarking and text overlay via URL API | - | - |
| Video transcoding and gif to mp4 conversion | - | - |
| Svg sanitization and optimization | - | - |
| Dashboard analytics for bandwidth cache hit ratio | - | - |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-09-11T23:37:56.839Z. "-" = undocumented, not absent.*