NixCI
The facts below are what the maker publishes about NixCI, checked and dated. Our editors have not written about it yet.
Plans and prices
From NixCI's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| FOSS | Free | For open source projects · own workers or hosted workers billed hourly · automatic caching · Free; hosted workers $0.33/hr |
| Hosted | $36 a month | Unlimited private repos · managed infrastructure · hosted or own workers · full cache access · priority support · $36 per developer per month + $0.33/worker-hr |
| Self-Hosted | Priced on request | Run on your infrastructure · own workers and caches · priority support · SLAs available · Custom; contact [email protected] |
The facts
Each one read from NixCI's own pages, with the date it was checked.
What it does
- Automatic builds
- The demo builds all flake packages, devShells, and checks and caches builds for subsequent commits.checked 11 Oct 2026
- Caching
- NixCI can automatically pull from and push to Cachix when configured with a cache name, public key, and authentication token or signing key for pushing.checked 11 Oct 2026
- Data handling
- Hosted builds run in isolated temporary directories, worker connections use TLS, and workers are wiped before running a job for a different owner.checked 11 Oct 2026
- Deployment
- NixCI can automatically deploy code after a suite succeeds.checked 11 Oct 2026
- Git forge integrations
- NixCI integrates with GitHub, GitLab, and Codeberg, including self-hosted GitLab and Forgejo/Gitea instances.checked 11 Oct 2026
- Hosted runners
- Hosted workers run jobs on powerful machines without an upfront cost.checked 11 Oct 2026
- Local reproduction
- Builds are locally reproducible with a single command.checked 11 Oct 2026
- Privacy and compliance
- The privacy policy says it is intended to comply with the EU GDPR and Swiss Federal Act on Data Protection.checked 11 Oct 2026
- Purpose
- NixCI is a continuous integration service for projects that use Nix, and can run CI with zero configuration when a repository has a flake.nix.checked 11 Oct 2026
- Retention
- Build logs are retained for 60 days, build metadata for 90 days, and cached artifacts are automatically deleted after 90 days, subject to earlier garbage collection.checked 11 Oct 2026
- Secrets
- Secrets are supplied to tests and deployments as environment variables, and NixCI provides special handling for SSH keys.checked 11 Oct 2026
- Self-hosting limit
- NixCI is not open source; self-hosting packages are available by contacting the maker, while any subscriber may self-host workers.checked 11 Oct 2026
- Support
- The site lists [email protected], and paid Hosted and Self-Hosted plans include priority support.checked 11 Oct 2026
- Tests
- Impure tests can run with secrets and internet access.checked 11 Oct 2026
Money
- Trial
- New users receive a 14-day trial on the demo system; builds stop when it ends unless the account is upgraded.checked 11 Oct 2026
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