| Price from | — | $29/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 0 | 4 |
| Spec score · Serverless Platforms | 7.7 (#12) | 7.8 (#11) |
| Deployment | Fission deploys functions with one command without requiring users to build containers or manage Docker registries. | Applications can be deployed from Git repositories or Docker containers, and Koyeb lists native support for multiple programming languages. |
| Integrations | The homepage says Fission integrates with Fluentd for CLI logs, Prometheus for metrics, and Istio for service mesh monitoring and tracing. | Koyeb documentation lists integrations including GitHub, Terraform, Pulumi, coding agents, and database providers such as Aiven, MongoDB Atlas, Neon, and Upstash. |
| Product | Fission is an open source framework for running serverless functions on Kubernetes. | Koyeb is a serverless platform for deploying production-grade AI-intensive applications on CPUs, GPUs, and accelerators. |
| Security | Function invocation authentication is optional and can be enabled on the Fission Router using tokens passed in an Authorization header. | Applications run in Cloud Hypervisor microVMs on bare metal servers, and the platform describes the VMs as fast and secure. |
| Support | The project directs users to its Slack community and provides troubleshooting guides and a CLI command for collecting support diagnostics. | The Pro plan includes email support and chat; the Enterprise plan includes 24×7×365 premium support. |
