dotnet-coder-14b is a 14.8 billion parameter C#/.NET specialist language model, fine-tuned by zipaltrivedi from Qwen2.5-Coder-14B-Instruct with a 32,768 token context length. It is uniquely optimized for generating highly compilable C# code, achieving a 97% compile rate on C# benchmarks through iterative DPO using `dotnet build` as the reward signal. This model excels at producing self-contained, idiomatic C# code and diagnosing .NET-specific issues, making it ideal for coding agents and experienced .NET developers.
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dotnet-coder-14b: A C#/.NET Specialist Model
dotnet-coder-14b is a 14.8 billion parameter language model, fine-tuned from Qwen2.5-Coder-14B-Instruct, specifically engineered for C# and .NET development. Its primary differentiator is an innovative compile-verified DPO (Direct Preference Optimization) training method, which used dotnet build as an objective reward signal. This process iteratively refined the model to prefer code that actually compiles, resulting in an exceptional 97% compile rate on C# code generation benchmarks.
Key Capabilities
- High Compile Rate: Achieves 97% compile rate on C# code, significantly outperforming larger models like Qwen2.5-72B (80%) and Qwen2.5-Coder-32B (80%) in its specialized domain.
- Expert .NET Knowledge: Demonstrates deep understanding of C# gotchas, .NET internals, and modern C# features (e.g., C# 13/14).
- Error Diagnosis & Performance Tuning: Capable of diagnosing build errors, suggesting NuGet package fixes, and identifying performance issues like N+1 queries or socket exhaustion.
- Multi-SDK Compatibility: Generates code that maintains a 97% compile rate across .NET 6.0, 8.0, and 9.0 SDKs.
- Temperature Robustness: Sustains a 97% compile rate even at higher sampling temperatures (up to 0.8), indicating stable performance.
Good for
- Coding Agent Backends: Ideal for integration into automated coding agents that require highly reliable C# output.
- Local Code Assistants: Can be run locally with Ollama or LM Studio for offline C# development.
- CI/CD Code Generation: Automating the generation of boilerplate, tests, or implementations within continuous integration/delivery pipelines.
- Code Review & Debugging: Providing expert-level feedback on C# patterns, .NET best practices, and diagnosing complex issues.