# AWS Lambda vs Fission

**Leader by vioscaleAI score:** AWS Lambda

| Attribute | AWS Lambda | Fission |
|---|---|---|
| **vioscaleAI score** | 76.4 (72% (medium)) | 53.5 (54% (medium)) |
| activity.commits_last_30d | - | 60 |
| adoption.dependent_repos | - | 3 |
| adoption.github_stars | - | 8,933 |
| 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":"Developers write short-lived functions that are triggered by HTTP requests or events, while the framework handles Kubernetes infrastructure management automatically. This eliminates the need to manually build containers or manage registries. It is indexed under Serverless & Edge Platforms.","source":"https://fission.io","question":"What is Fission?","confidence":0.6},{"answer":"Fission 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://fission.io","question":"Is Fission free to use?","confidence":0.6},{"answer":"Fission supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://fission.io","question":"What platforms does Fission support?","confidence":0.6},{"answer":"Yes. Fission can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fission.io","question":"Can Fission be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Fission, including Kubernetes, Istio, Fluentd, Prometheus, Grafana and MCP. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://fission.io","question":"What does Fission integrate with?","confidence":0.6},{"answer":"Yes. Fission 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/fission/fission","question":"Is Fission open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":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. | An open-source framework for building and deploying serverless functions on Kubernetes with automatic scaling. Supports multiple programming languages and can be triggered by HTTP requests, message queue events, and scheduled tasks. |
| 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 and event triggers","languages":"Python, NodeJS, Go, Rust, C#, PHP (extensible to any language)","cold_start":"provisioned","cli_and_iac":true,"http_trigger":true,"scale_to_zero":true,"custom_runtime":true,"scheduled_cron":true,"edge_distributed":false,"runtime_substrate":"container","observability_builtin":true}` |
| integrations.count | 220 | 6 |
| 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":"Kubernetes"},{"name":"Istio"},{"name":"Fluentd"},{"name":"Prometheus"},{"name":"Grafana"},{"name":"MCP"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":["DE"],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":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":"open_source","summary":"Free, open source under Apache License","freeTier":true,"sourceUrl":"https://fission.io","retrievedAt":"2026-08-14T09:18:36.308Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":1,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 24 |
| release.history | - | `[{"url":"https://github.com/fission/fission/releases/tag/v1.27.0","date":"2026-06-22T15:02:22Z","type":"stable","version":"v1.27.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.26.0","date":"2026-06-13T11:47:51Z","type":"prerelease","version":"v1.26.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.25.0","date":"2026-06-05T11:49:37Z","type":"stable","version":"v1.25.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.24.0","date":"2026-05-26T19:01:42Z","type":"prerelease","version":"v1.24.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.23.0","date":"2026-05-15T04:57:05Z","type":"stable","version":"v1.23.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.22.0","date":"2025-12-18T17:01:59Z","type":"stable","version":"v1.22.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.22.0-rc2","date":"2025-12-15T11:49:48Z","type":"prerelease","version":"v1.22.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0","date":"2025-01-25T16:56:09Z","type":"stable","version":"v1.21.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0-rc2","date":"2025-01-24T05:32:02Z","type":"prerelease","version":"v1.21.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.21.0-rc1","date":"2025-01-15T17:44:45Z","type":"prerelease","version":"v1.21.0-rc1"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.5","date":"2024-10-04T13:27:46Z","type":"stable","version":"v1.20.5"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.4","date":"2024-09-02T12:14:30Z","type":"stable","version":"v1.20.4"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.3","date":"2024-08-09T10:32:49Z","type":"stable","version":"v1.20.3"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.2","date":"2024-05-27T13:41:29Z","type":"stable","version":"v1.20.2"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.1","date":"2024-01-15T04:59:55Z","type":"stable","version":"v1.20.1"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0","date":"2023-11-30T16:29:49Z","type":"stable","version":"v1.20.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0-rc2","date":"2023-11-27T10:57:09Z","type":"prerelease","version":"v1.20.0-rc2"},{"url":"https://github.com/fission/fission/releases/tag/v1.20.0-rc1","date":"2023-10-30T14:51:08Z","type":"prerelease","version":"v1.20.0-rc1"},{"url":"https://github.com/fission/fission/releases/tag/v1.19.0","date":"2023-05-19T04:32:34Z","type":"stable","version":"v1.19.0"},{"url":"https://github.com/fission/fission/releases/tag/v1.19.0-rc2","date":"2023-05-12T06:15:59Z","type":"prerelease","version":"v1.19.0-rc2"}]` |
| 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 | - | 7.7 |
| security.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/security/?nc1=f_cc | - |
| security.vulnerabilities | - | `{"count":18,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Ffission%2Ffission&per_page=100","last_12m":18,"max_severity":"CRITICAL"}` |

## Capabilities (Serverless & Edge Platforms)

| Capability | AWS Lambda | Fission |
|---|:--:|:--:|
| **Core** |  |  |
| Execution substrate | MicroVM | Container |
| Language / runtime breadth | Python, Node.js, Java, C#, Go, Ruby, custom runtimes | Python, NodeJS, Go, Rust, C#, PHP (extensible to any language) |
| **Reach** |  |  |
| Runs at global edge PoPs | - | ✗ |
| **Scale** |  |  |
| Scale to zero | ✓ | ✓ |
| **Performance** |  |  |
| Cold-start profile | Provisioned concurrency | Provisioned concurrency |
| **Limits** |  |  |
| Max execution duration | - | - |
| **Integration** |  |  |
| Event source breadth | 220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams | HTTP and event triggers |
| 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 2026-10-16T19:14:17.345Z. "-" = undocumented, not absent.*