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Determinate Nix: business-class Nix for critical infrastructure

Secure, stable, trustworthy Nix. Performance that astounds, developer experience that delights.

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Determinate Nix is Determinate Systems' validated and secure downstream distribution of NixOS/nix. From package builds to development environments to deployments to running NixOS and beyond, Determinate Nix is feature rich, boldly innovative, and the standard bearer in the Nix ecosystem.

Performance that astounds, developer experience that delights

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Lazy trees
Provides faster and less resource-intensive evaluation for many expressions involving flakes, even in massive monorepos. We've seen reductions in wall time of 3x or more and reductions in disk usage of 20x or more.
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Parallel evaluation
Speeds up a wide range of Nix operations by distributing work across multiple processors. We've seen reductions in evaluation time of 50% or more.
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Native Linux builder for macOS
Build Linux packages with zero configuration or extra setup using macOS's built-in Virtualization framework. No more remote builders or cross-compilation, just Determinate Nix.
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Stable flakes
Upstream Nix remains uncommitted to flakes but we're all in on them, offering a formal stability guarantee and making flakes the default in Determinate Nix.
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As a downstream distribution, Determinate Nix is fully compatible with and includes everything available in upstream Nix plus substantial upgrades (like those listed above). Determinate Nix makes Nix workflows faster, CI/CD runs smoother, and the overall experience of using Nix seamless across all environments.


Every Determinate Nix release is validated on SOC 2 Type II infrastructure and backed by a defined Common Vulnerabilities and Exposures (CVE) process, providing the security, scale, and stability that organizations need across developer workstations, CI/CD, and the cloud.

Nix for the modern enterprise

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Seamless platform integration
Determinate Nix works seamlessly with FlakeHub, our platform for publishing flakes, and FlakeHub Cache, our next-generation Nix binary cache, it supports CI platforms like GitHub Actions, Semaphore, and Buildkite, and it has a variety of integration points with cloud platforms like AWS.
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Automates the tricky parts
Determinate Nix has first-class support across macOS, Linux, CI/CD, and cloud environments. It provides automatic certificate handling and Nix configuration, federated authentication with no static credentials on platforms like GitHub and AWS, and intelligent resource management through automatic garbage collection.
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Mobile Device Management (MDM) support
Scale Determinate Nix out to teams of any size using JAMF, Mosyle, and other platforms. It's the ease of Determinate Nix Installer generalized to your entire engineering org.
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Security, stability, and trust

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SOC 2 Type II certified
Built on validated infrastructure with zero-trust authentication, secure identity integration, and formal security response SLAs that meet stringent compliance standards.
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Nix without the drama
At Determinate Systems, we're dedicated first and foremost to serving our customers. Although we actively contribute to the Nix community, we steer clear of political churn and ship independently of community decision-making processes.
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