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Local-first
The public product story starts with local execution and no hidden network fallback.
Local model execution · C# runtime boundary
Run GGUF and LLaMA-family models locally with a deterministic C# runtime path—strict model intake, explicit execution boundaries, and no hidden network fallback.
What it is
LMRuntime is positioned for developers who want model execution to remain inspectable: file intake, tokenizer behavior, tensor binding, reference decoding, optional acceleration, and governance stay separated instead of disappearing behind a wrapper.
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The public product story starts with local execution and no hidden network fallback.
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A slow, inspectable path is the correctness anchor before performance paths are promoted.
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The site separates planned, implemented, executed, measured, and released claims.
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Budgets, review gates, no-op decisions, and claim boundaries wrap orchestration without silently changing deterministic parity behavior.
Runtime path
The public page uses a small pipeline instead of package manifests. Developers can understand the execution boundary first, then drill into technical notes when a public repository or package is ready.
Open the local model file.
Reject unsupported or malformed structure.
Resolve architecture and tensor meaning.
Run a deterministic reference step.
Expose token output and receipt state.
Find what you need
Engineering notes
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The next release step is not more public internals. It is a clean quick start, repeatable validation, and a deliberate GitHub/NuGet posture.
LMRuntime.com — When your model needs somewhere to run.