# Fastly Compute vs Modal

| Attribute | Fastly Compute | Modal |
|---|---|---|
| **vioscaleAI score** | 54.1 (51% (medium)) | 56.4 (72% (medium)) |
| activity.commits_last_30d | 23 | - |
| adoption.dependent_repos | 65 | - |
| adoption.github_stars | 226 | - |
| adoption.package_downloads_weekly | 462,574 | - |
| content.faq | `[{"answer":"Execute code at the edge using WebAssembly with instant startup times. Includes storage, messaging, and built-in security features for modern application development. It is indexed under Serverless & Edge Platforms.","source":"https://www.fastly.com/pricing","question":"What is Fastly Compute?","confidence":0.6},{"answer":"Fastly Compute is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.fastly.com/pricing","question":"Is Fastly Compute free to use?","confidence":0.6},{"answer":"Fastly Compute supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.fastly.com/pricing","question":"What platforms does Fastly Compute support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Fastly Compute, 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 Compute be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Fastly Compute. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Fastly Compute not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.fastly.com/trust","question":"What security certifications does Fastly Compute have?","confidence":0.7},{"answer":"Yes. Fastly Compute is published under the Apache-2.0 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/fastly/js-compute-runtime","question":"Is Fastly Compute open source?","confidence":0.99}]` | `[{"answer":"A serverless cloud platform designed for running AI inference, training, batch processing, and interactive development. It automatically scales compute resources on demand, offers integrated logging and metrics, and provides a Python-native SDK for defining infrastructure as code. It is indexed under Serverless & Edge Platforms.","source":"https://modal.com/pricing","question":"What is Modal?","confidence":0.6},{"answer":"Modal offers a free tier, so you can start without paying. Paid plans start at $0 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://modal.com/pricing","question":"Is Modal free?","confidence":0.6},{"answer":"Modal supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://modal.com/pricing","question":"What platforms does Modal support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Modal, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://modal.com/pricing","question":"Can Modal be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Modal, including AWS Marketplace, GCP Marketplace, Datadog and Sentry.io. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://modal.com/pricing","question":"What does Modal integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and HIPAA for Modal. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Modal not holding them. Always confirm compliance directly before you rely on it.","source":"https://modal.com/docs/guide/security","question":"What security certifications does Modal have?","confidence":0.7},{"answer":"Modal is available worldwide. Its primary market is the United States. The vendor is headquartered in the United States.","source":"https://modal.com/pricing","question":"Where is Modal available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | Fastly Compute is a JavaScript runtime and SDK for building applications that run on Fastly's edge network. It includes privacy enablement solutions like MASQUE Relay and OHTTP Relay for anonymizing user traffic and protecting personally identifiable information. | A cloud platform that automatically scales applications based on demand and charges only for actual compute consumed, measured per CPU cycle. Provides direct GPU access for AI inference and training, with support for Python, JavaScript/TypeScript, and Go. |
| features.capabilities | `{"hosting":"cloud","languages":"JavaScript, with WebAssembly runtime support","cold_start":"low","cli_and_iac":true,"http_trigger":true,"edge_distributed":true,"runtime_substrate":"wasm","observability_builtin":true}` | `{"hosting":"cloud","triggers":"HTTP, cron/scheduled, events","languages":"Python","cold_start":"low","cli_and_iac":true,"http_trigger":true,"durable_state":true,"scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"edge_distributed":true,"runtime_substrate":"container","observability_builtin":true}` |
| integrations.count | 5 | 2 |
| integrations.list | `[{"name":"GitHub Actions","native":true,"category":"ci_cd"},{"name":"Terraform","native":true,"category":"iac"},{"name":"Datadog","native":true,"category":"observability"},{"name":"Splunk","native":true,"category":"observability"},{"name":"S3","native":true,"category":"storage"}]` | `[{"name":"AWS Marketplace"},{"name":"GCP Marketplace"},{"name":"Datadog","native":true,"category":"observability","direction":"outbound"},{"name":"Sentry.io","native":true,"category":"observability","direction":"outbound"}]` |
| language.primary | JavaScript | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","description":"Usage-based with no cost for basic usage","contactSales":false},{"free":false,"name":"Growth","description":"Usage-based with volume discounts","contactSales":false},{"free":false,"name":"Enterprise","description":"Custom pricing and support","contactSales":true}],"freeTier":true,"sourceUrl":"https://www.fastly.com/pricing","retrievedAt":"2026-09-10T21:05:10.652Z"}` | `{"type":"usage","plans":[{"free":true,"name":"Starter","summary":"$0/month base + compute usage ($30/month free credits)","features":["3 workspace seats","100 containers","10 GPU concurrency","Limited scheduled and web functions","Real-time metrics and logs","Region selection"],"minSeats":3,"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For small teams and independent developers","contactSales":false,"includedLimits":{"compute":"$30/month","containers":"100","gpu_concurrency":"10"}},{"free":false,"name":"Team","summary":"$250/month base + compute usage ($100/month free credits)","features":["Unlimited workspace seats","5000 containers","50 GPU concurrency","Unlimited scheduled functions","Custom domains","Static IP proxy","Deployment rollbacks","Environment-level budgets"],"commitment":"monthly","components":[{"kind":"fixed","amount":250,"period":"month","currency":"USD"}],"description":"For startups and larger organizations","contactSales":false,"includedLimits":{"compute":"$100/month","containers":"5000","gpu_concurrency":"50"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Volume-based discounts","Embedded ML engineering services","Private Slack support","Audit logs","SAML SSO","HIPAA compliance"],"description":"For organizations requiring security and compliance","contactSales":true}],"addOns":[{"name":"Non-preemptible execution","components":[{"of":"base compute pricing","kind":"percentage","rate":3}]}],"summary":"Free tier with $30/month compute. Pay-per-second metering: CPUs from $0.0000131/core/sec, GPUs from $0.000164/sec (T4) to $0.001972/sec (B300), memory at $0.00000222/GiB/sec.","currency":"USD","freeTier":true,"sourceUrl":"https://modal.com/pricing","retrievedAt":"2026-09-18T15:59:18.208Z","startingPrice":{"amount":250,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | high |
| pricing.starting_price | - | `{"amount":250,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 6 | - |
| release.history | `[{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v4.0.0","date":"2026-10-06T17:47:49Z","type":"stable","version":"v4.0.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.46.0","date":"2026-09-14T17:38:01Z","type":"stable","version":"v3.46.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.45.1","date":"2026-09-07T18:39:27Z","type":"stable","version":"v3.45.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.45.0","date":"2026-09-04T00:23:51Z","type":"stable","version":"v3.45.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.3","date":"2026-07-31T20:21:39Z","type":"stable","version":"v3.44.3"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.2","date":"2026-07-28T21:17:39Z","type":"stable","version":"v3.44.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.1","date":"2026-07-28T20:55:12Z","type":"stable","version":"v3.44.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.44.0","date":"2026-07-27T22:13:44Z","type":"stable","version":"v3.44.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.2","date":"2026-07-23T18:33:14Z","type":"stable","version":"v3.43.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.1","date":"2026-06-17T22:07:21Z","type":"stable","version":"v3.43.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.43.0","date":"2026-06-16T17:51:23Z","type":"stable","version":"v3.43.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.42.1","date":"2026-05-18T21:22:05Z","type":"stable","version":"v3.42.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.42.0","date":"2026-05-11T20:59:14Z","type":"stable","version":"v3.42.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.2","date":"2026-05-04T21:54:38Z","type":"stable","version":"v3.41.2"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.1","date":"2026-04-10T09:11:25Z","type":"stable","version":"v3.41.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.41.0","date":"2026-04-08T08:42:33Z","type":"stable","version":"v3.41.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.40.1","date":"2026-02-24T11:44:27Z","type":"stable","version":"v3.40.1"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.40.0","date":"2026-02-17T21:02:48Z","type":"stable","version":"v3.40.0"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.4","date":"2026-02-13T09:16:48Z","type":"stable","version":"v3.39.4"},{"url":"https://github.com/fastly/js-compute-runtime/releases/tag/v3.39.3","date":"2026-02-12T23:09:29Z","type":"stable","version":"v3.39.3"}]` | - |
| reliability.status_page | yes | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.hipaa | - | yes |
| security.soc2 | - | yes |
| security.trust_center | https://www.fastly.com/security-research | https://modal.com/docs/guide/security |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40fastly%2Fjs-compute&per_page=100","last_12m":0,"max_severity":"HIGH"}` | - |

## Capabilities (Serverless & Edge Platforms)

| Capability | Fastly Compute | Modal |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | WASM | Container |
| Language / runtime breadth | JavaScript, with WebAssembly runtime support | Python |
| **Reach** |  |  |
| Runs at global edge PoPs | ✓ | ✓ |
| **Scale** |  |  |
| Scale to zero | - | ✓ |
| **Performance** |  |  |
| Cold-start profile | Low | Low |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | - | HTTP, cron/scheduled, events |
| HTTP endpoint trigger | ✓ | ✓ |
| Cron / scheduled invocations | - | ✓ |
| **State** |  |  |
| Durable state / workflow primitive | - | ✓ |
| **Flexibility** |  |  |
| Bring-your-own runtime / container | - | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud only |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | ✓ | ✓ |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:52:33.946Z. "-" = undocumented, not absent.*