ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator
Star History
Momentum
+548
STARS · LAST 30 DAYS
18
PER DAY
#16
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +126 | +548 | +1.6K |
| Per day | 18 | 18 | 18 |
| Forks gained | +21 | +85 | +213 |
onnxruntime gained 548 stars in the last 30 days, about 18 a day, and now has 21.9K. It is about 8 years old and has averaged roughly 2.7K stars a year. It ranks #16 among C++ repositories and #409 across all languages on GitHubRepo.
Trending Record
4
DAYS ON TRENDING
#723
BEST RANK
Sep 25, 2026
FIRST APPEARANCE
Active
STATUS TODAY
onnxruntime has maintained a continuous presence across global trending indexes, peaking at #723. Below is the 30-day activity profile:
💡 Overview
onnxruntime is an open-source project written in C++: ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator.
Engineered for speed, consistency, and developer ease, it solves common hurdles in ai-framework, deep-learning, hardware-acceleration. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/microsoft/onnxruntime.git
cd onnxruntime⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
onnxruntime coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with onnxruntime.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install onnxruntime using your package manager: `git clone https://github.com/microsoft/onnxruntime.git`
Initialize your project workspace or configuration file for onnxruntime.
Import onnxruntime into your codebase or invoke it directly from your terminal.
Execute your test suite or run `onnxruntime --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
microsoft/onnxruntime is currently ranked #409 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
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| #409 | microsoft/onnxruntime This Project | C++ | ★ 21.9K | |
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Frequently Asked Questions
What does onnxruntime do? +
ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator
What language is onnxruntime written in? +
The primary language is C++. Topics include: ai-framework, deep-learning, hardware-acceleration, machine-learning, neural-networks.
Is onnxruntime actively maintained? +
Yes, the last recorded push was on Sep 27, 2026 with 1,736 open issues being tracked.
How many stars does onnxruntime have? +
onnxruntime has 21,933 stars and 4,253 forks on GitHub.
How does onnxruntime rank among GitHub repositories? +
With 21,933 stars, microsoft/onnxruntime is ranked #409 globally across all repositories tracked on GitHubRepo and #16 among C++ projects.
What license is onnxruntime distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
