# AWS Lambda vs OpenFaaS

**Leader by vioscaleAI score:** AWS Lambda

| Attribute | AWS Lambda | OpenFaaS |
|---|---|---|
| **vioscaleAI score** | 76.4 (72% (medium)) | 41.7 (42% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 55 |
| adoption.github_stars | - | 26,249 |
| content.faq | `[{"answer":"A serverless computing platform that runs code in response to events on fully managed infrastructure, automatically handling scaling and charging only for actual execution time. It is indexed under Serverless & Edge Platforms.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"What is AWS Lambda?","confidence":0.6},{"answer":"AWS Lambda offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/ec2/pricing/?nc2=h_pr_ec2","question":"Is AWS Lambda free?","confidence":0.6},{"answer":"AWS Lambda supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aws.amazon.com/ec2/pricing/?nc2=h_pr_ec2","question":"What platforms does AWS Lambda support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for AWS Lambda, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"Can AWS Lambda be self-hosted?","confidence":0.6},{"answer":"We have confirmed 13 integrations for AWS Lambda, including AWS S3, AWS DynamoDB, AWS Kinesis, AWS SQS, AWS EventBridge, Amazon MSK, AWS CloudWatch and AWS X-Ray, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"What does AWS Lambda integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for AWS Lambda. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as AWS Lambda not holding them. Always confirm compliance directly before you rely on it.","source":"https://aws.amazon.com/trust-center/?nc1=f_cc","question":"What security certifications does AWS Lambda have?","confidence":0.7},{"answer":"AWS Lambda is available worldwide. Its primary market is the United States.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"Where is AWS Lambda available?","confidence":0.5}]` | `[{"answer":"Open-source serverless framework that abstracts cloud provider differences, allowing you to deploy and run functions across multiple clouds, on-premises, and Kubernetes with extended execution timeouts and support for many programming languages. It is indexed under Serverless & Edge Platforms.","source":"https://www.openfaas.com/","question":"What is OpenFaaS?","confidence":0.6},{"answer":"OpenFaaS offers a free tier, so you can start without paying. Paid plans start at $1250 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.openfaas.com/pricing/","question":"Is OpenFaaS free?","confidence":0.6},{"answer":"OpenFaaS supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.openfaas.com/pricing/","question":"What platforms does OpenFaaS support?","confidence":0.6},{"answer":"Yes. OpenFaaS can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.openfaas.com/","question":"Can OpenFaaS be self-hosted?","confidence":0.6},{"answer":"We have confirmed 20 integrations for OpenFaaS, including Apache Kafka, AWS SQS, AWS SNS, GCP Pub/Sub, RabbitMQ, PostgreSQL, MQTT and Cron, plus 12 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.openfaas.com/pricing/","question":"What does OpenFaaS integrate with?","confidence":0.6},{"answer":"OpenFaaS is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://www.openfaas.com/","question":"Where is OpenFaaS available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | AWS service providing serverless infrastructure for AI agents and language models, with integrated knowledge base capabilities for retrieval-augmented generation, automated data processing, and model fine-tuning. | A framework for deploying functions to Kubernetes with automatic scaling, event-driven triggers, multi-tenancy support, and enterprise features including SSO, RBAC, and direct engineering support. |
| features.capabilities | `{"hosting":"cloud","triggers":"220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams","languages":"Python, Node.js, Java, C#, Go, Ruby, custom runtimes","cold_start":"provisioned","cli_and_iac":true,"http_trigger":true,"durable_state":true,"scale_to_zero":true,"custom_runtime":true,"runtime_substrate":"microvm","observability_builtin":true}` | `{"hosting":"both","triggers":"HTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS","languages":"extensive language support","cli_and_iac":true,"http_trigger":true,"max_duration":"extended execution timeouts","scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"runtime_substrate":"container","observability_builtin":true}` |
| integrations.count | 220 | 12 |
| integrations.list | `[{"name":"AWS S3"},{"name":"AWS DynamoDB"},{"name":"AWS Kinesis"},{"name":"AWS SQS"},{"name":"AWS EventBridge"},{"name":"Amazon MSK"},{"name":"AWS CloudWatch"},{"name":"AWS X-Ray"},{"name":"Amazon S3"},{"name":"Amazon DynamoDB"},{"name":"Amazon Kinesis"},{"name":"Apache Kafka"},{"name":"Amazon SQS"},{"name":"Amazon DynamoDB Streams"},{"name":"S3","native":true,"direction":"inbound"},{"name":"SharePoint","native":true,"direction":"inbound"},{"name":"Confluence","native":true,"direction":"inbound"}]` | `[{"name":"Apache Kafka"},{"name":"AWS SQS"},{"name":"AWS SNS"},{"name":"GCP Pub/Sub"},{"name":"RabbitMQ"},{"name":"PostgreSQL"},{"name":"MQTT"},{"name":"Cron"},{"name":"Grafana"},{"name":"Istio"},{"name":"Linkerd"},{"name":"NATS JetStream"},{"name":"GitHub"},{"name":"Slack"},{"name":"Salesforce"},{"name":"Zoom"},{"name":"Google Docs"},{"name":"Gmail"},{"name":"DigitalOcean"},{"name":"Crunchbase"},{"name":"Kafka","native":true,"category":"event","direction":"inbound"},{"name":"AWS SNS/SQS","native":true,"category":"event","direction":"inbound"},{"name":"Discord","native":false,"category":"chat","direction":"outbound"},{"name":"Gumroad","native":false,"category":"commerce","direction":"outbound"}]` |
| language.primary | - | Go |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":["DE"],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard","components":[{"per":{"qty":1000,"unit":"API calls"},"kind":"metered","amount":1,"currency":"USD"}],"contactSales":false},{"free":false,"name":"Flex","contactSales":false},{"free":false,"name":"Priority","contactSales":false},{"free":false,"name":"Reserved","contactSales":false}],"addOns":[{"name":"Fine-tuning","components":[{"per":{"qty":1,"unit":"image"},"kind":"metered","amount":0.005,"currency":"USD"}]},{"name":"Knowledge Base per-page processing","components":[{"per":{"qty":1,"unit":"page"},"kind":"metered","amount":0.01,"currency":"USD"}]}],"summary":"Usage-based pricing per token and per API call; fine-tuning $0.005/image; knowledge base $0.010/page","currency":"USD","sourceUrl":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","retrievedAt":"2026-09-23T13:33:51.088Z","startingPrice":{"unit":"API calls","amount":1,"currency":"USD"}}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community Edition","summary":"Free for personal use; 60-day limit for commercial use","features":["Legacy UI portal","REST API","Basic metrics & observability","Cron trigger"],"description":"Personal use with 60-day commercial restriction","contactSales":false},{"free":false,"name":"Standard","summary":"14-day trial available; custom pricing","features":["Scale to zero","Kafka/RabbitMQ/GCP Pub/Sub/PostgreSQL/AWS SNS/SQS triggers","UI dashboard","Grafana dashboards","Kubernetes Custom Resources (CRD)","Air-gapped/offline deployment","Self-service email support","Multi-tenant hosting","Namespace sandboxing"],"contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing; requires separate support agreement","features":["Enterprise support with SLA","Direct engineering support via Slack","Annual architecture review","Function Builder REST API","Identity and Access Management","Single Sign-On (OpenID Connect)","Role-Based Access Control","API audit logging via webhooks"],"contactSales":true}],"summary":"Free community edition; subscription-based standard and enterprise tiers","freeTier":true,"sourceUrl":"https://www.openfaas.com/pricing/","retrievedAt":"2026-10-15T20:23:16.138Z","freeTrialDays":14}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | `{"amount":1,"currency":"USD"}` | - |
| pricing.transparent | yes | no |
| release.cadence_days | - | 136 |
| release.history | - | `[{"url":"https://github.com/openfaas/faas/releases/tag/0.27.14","date":"2026-07-02T09:09:13Z","type":"prerelease","version":"0.27.14"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.13","date":"2025-08-29T14:24:04Z","type":"stable","version":"0.27.13"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.12","date":"2024-12-09T09:51:08Z","type":"stable","version":"0.27.12"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.11","date":"2024-11-29T14:52:05Z","type":"stable","version":"0.27.11"},{"url":"https://github.com/openfaas/faas/releases/tag/0.27.10","date":"2024-11-18T21:47:16Z","type":"stable","version":"0.27.10"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 4.2 |
| security.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/security/?nc1=f_cc | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopenfaas%2Ffaas&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Serverless & Edge Platforms)

| Capability | AWS Lambda | OpenFaaS |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | MicroVM | Container |
| Language / runtime breadth | Python, Node.js, Java, C#, Go, Ruby, custom runtimes | extensive language support |
| **Reach** |  |  |
| Runs at global edge PoPs | - | - |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | Provisioned concurrency | - |
| **Limits** |  |  |
| Max execution duration | - | extended execution timeouts |
| **Integration** |  |  |
| Event source breadth | 220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams | HTTP, Cron, Kafka, RabbitMQ, GCP Pub/Sub, PostgreSQL, AWS SNS/SQS |
| HTTP endpoint trigger | ✓ | ✓ |
| Cron / scheduled invocations | - | ✓ |
| **State** |  |  |
| Durable state / workflow primitive | ✓ | - |
| **Flexibility** |  |  |
| Bring-your-own runtime / container | ✓ | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Ops** |  |  |
| Built-in logs / metrics / tracing | ✓ | ✓ |
| **Extensibility** |  |  |
| CLI + IaC / framework support | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:38:06.953Z. "-" = undocumented, not absent.*