runner
Open source
free + open-source

ONNX Runtime Mobile

Microsoft's ONNX Runtime packaged for Android and iOS apps, with NNAPI, CoreML and XNNPACK acceleration. The default mobile packages carry the full operator set; a custom build can cut them down to the operators a model needs, reducing binary size.

By Eruo Fredoline·Last verified Nov 8, 2026·22,253 GitHub stars

Overview

Microsoft's ONNX Runtime packaged for Android and iOS apps, with NNAPI, CoreML and XNNPACK acceleration. The default mobile packages carry the full operator set; a custom build can cut them down to the operators a model needs, reducing binary size.

Pros

  • Prebuilt Android and iOS packages (onnxruntime-android, onnxruntime-c, onnxruntime-objc)
  • Microsoft-maintained
  • CoreML on iOS; NNAPI on Android; XNNPACK on both

Cons

  • Toolchain assumes ONNX intermediate format — Hugging Face → ONNX conversion is an extra step
  • iOS path narrower than CoreML or MLC LLM
  • NNAPI can fall back to its own CPU implementation for operations the GPU or NPU does not support, which is often less efficient than ONNX Runtime's

Compatibility

Operating systems
Android
iOS
GPU backends
NNAPI
CoreML
LicenseOpen source · free + open-source

Runtime health

Operator-grade signals on how actively ONNX Runtime Mobile is being maintained, how fresh its measurements are, and what failure classes operators have flagged. Every label below is anchored to a real date or count — we never infer maintainer activity we can't show.

Release cadence

Derived from the most recent editorial signal on this row.

Active
Updated Nov 8, 2026

2 days since last refresh · source: lastUpdated

Benchmark freshness

How recent the editorial measurements on this runtime are.

0editorial benchmarks

No editorial benchmarks for this runtime yet.

Community reproduction

Submissions that match an editorial measurement on similar hardware.

0reproduced reports

No community reproductions on file yet.

Get ONNX Runtime Mobile

Frequently asked

Is ONNX Runtime Mobile free?

Yes — ONNX Runtime Mobile is free to use and open-source.

What operating systems does ONNX Runtime Mobile support?

ONNX Runtime Mobile supports Android, iOS.

Which GPUs work with ONNX Runtime Mobile?

ONNX Runtime Mobile supports NNAPI, CoreML. CPU-only operation is also possible but typically slower.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.

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Before you buy

Verify ONNX Runtime Mobile runs on your specific hardware before committing money.