Instructions to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Transformers
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with Transformers:
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF")# Load model directly from transformers import AutoModel model = AutoModel.from_pretrained("Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF", dtype="auto") - llama-cpp-python
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with llama-cpp-python:
# !pip install llama-cpp-python from llama_cpp import Llama llm = Llama.from_pretrained( repo_id="Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF", filename="Fortytwo_Strand-Rust-Coder-14B-BF16.gguf", )
output = llm( "Once upon a time,", max_tokens=512, echo=True ) print(output)
- Notebooks
- Google Colab
- Kaggle
- Local Apps
- llama.cpp
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with llama.cpp:
Install from brew
brew install llama.cpp # Start a local OpenAI-compatible server with a web UI: llama-server -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M # Run inference directly in the terminal: llama-cli -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
Install from WinGet (Windows)
winget install llama.cpp # Start a local OpenAI-compatible server with a web UI: llama-server -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M # Run inference directly in the terminal: llama-cli -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
Use pre-built binary
# Download pre-built binary from: # https://github.com/ggerganov/llama.cpp/releases # Start a local OpenAI-compatible server with a web UI: ./llama-server -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M # Run inference directly in the terminal: ./llama-cli -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
Build from source code
git clone https://github.com/ggerganov/llama.cpp.git cd llama.cpp cmake -B build cmake --build build -j --target llama-server llama-cli # Start a local OpenAI-compatible server with a web UI: ./build/bin/llama-server -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M # Run inference directly in the terminal: ./build/bin/llama-cli -hf Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
Use Docker
docker model run hf.co/Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
- LM Studio
- Jan
- vLLM
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with vLLM:
Install from pip and serve model
# Install vLLM from pip: pip install vllm # Start the vLLM server: vllm serve "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF" # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:8000/v1/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF", "prompt": "Once upon a time,", "max_tokens": 512, "temperature": 0.5 }'Use Docker
docker model run hf.co/Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
- SGLang
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with SGLang:
Install from pip and serve model
# Install SGLang from pip: pip install sglang # Start the SGLang server: python3 -m sglang.launch_server \ --model-path "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF", "prompt": "Once upon a time,", "max_tokens": 512, "temperature": 0.5 }'Use Docker images
docker run --gpus all \ --shm-size 32g \ -p 30000:30000 \ -v ~/.cache/huggingface:/root/.cache/huggingface \ --env "HF_TOKEN=<secret>" \ --ipc=host \ lmsysorg/sglang:latest \ python3 -m sglang.launch_server \ --model-path "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF" \ --host 0.0.0.0 \ --port 30000 # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:30000/v1/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF", "prompt": "Once upon a time,", "max_tokens": 512, "temperature": 0.5 }' - Ollama
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with Ollama:
ollama run hf.co/Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
- Unsloth Studio new
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with Unsloth Studio:
Install Unsloth Studio (macOS, Linux, WSL)
curl -fsSL https://unsloth.ai/install.sh | sh # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF to start chatting
Install Unsloth Studio (Windows)
irm https://unsloth.ai/install.ps1 | iex # Run unsloth studio unsloth studio -H 0.0.0.0 -p 8888 # Then open http://localhost:8888 in your browser # Search for Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF to start chatting
Using HuggingFace Spaces for Unsloth
# No setup required # Open https://huggingface.co/spaces/unsloth/studio in your browser # Search for Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF to start chatting
- Docker Model Runner
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with Docker Model Runner:
docker model run hf.co/Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
- Lemonade
How to use Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF with Lemonade:
Pull the model
# Download Lemonade from https://lemonade-server.ai/ lemonade pull Fortytwo-Network/Strand-Rust-Coder-14B-v1-GGUF:Q4_K_M
Run and chat with the model
lemonade run user.Strand-Rust-Coder-14B-v1-GGUF-Q4_K_M
List all available models
lemonade list
| license: apache-2.0 | |
| base_model: | |
| - Fortytwo-Network/Strand-Rust-Coder-14B-v1 | |
| base_model_relation: quantized | |
| datasets: | |
| - Fortytwo-Network/Strandset-Rust-v1 | |
| pipeline_tag: text-generation | |
| library_name: transformers | |
|  | |
| # Strand-Rust-Coder-14B-v1 | |
| ## Overview | |
| **Strand-Rust-Coder-14B-v1** is the first domain-specialized Rust language model created through **Fortytwo’s Swarm Inference**, a decentralized AI architecture where multiple models collaboratively generate, validate, and rank outputs through peer consensus. | |
| The model fine-tunes **Qwen2.5-Coder-14B** for Rust-specific programming tasks using a **191K-example synthetic dataset** built via multi-model generation and peer-reviewed validation. | |
| It achieves **43–48% accuracy** on Rust-specific benchmarks – surpassing much larger proprietary models like GPT-5 Codex on Rust tasks – while maintaining competitive general coding performance. | |
| [Strand-Rust-Coder-v1: Technical Report](https://huggingface.co/blog/Fortytwo-Network/strand-rust-coder-tech-report) | |
| ## Key Features | |
| - **Rust-specialized fine-tuning** on 15 diverse programming task categories | |
| - **Peer-validated synthetic dataset** (191,008 verified examples, 94.3% compile rate) | |
| - **LoRA-based fine-tuning** for efficient adaptation | |
| - **Benchmarked across Rust-specific suites:** | |
| - **RustEvo^2** | |
| - **Evaluation on Hold-Out Set** | |
| - **Deployed in the Fortytwo decentralized inference network** for collective AI reasoning | |
| --- | |
| ## Performance Summary | |
| | **Model** | **Hold-Out Set** | **RustEvo^2** | | |
| |------------|------------------|---------------| | |
| | **Fortytwo-Rust-One-14B (Ours)** | **48.00%** | **43.00%** | | |
| | openai/gpt-5-codex | 47.00% | 28.00% | | |
| | anthropic/claude-sonnet-4.5 | 46.00% | 21.00% | | |
| | anthropic/claude-3.7-sonnet | 42.00% | 31.00% | | |
| | qwen/qwen3-max | 42.00% | 40.00% | | |
| | qwen/qwen3-coder-plus | 41.00% | 22.00% | | |
| | x-ai/grok-4 | 39.00% | 37.00% | | |
| | deepseek/deepseek-v3.1-terminus | 37.00% | 33.00% | | |
| | Qwen3-Coder-30B-A3B-Instruct | 36.00% | 20.00% | | |
| | openai/gpt-4o-latest | 34.00% | 39.00% | | |
| | deepseek/deepseek-chat | 34.00% | 41.00% | | |
| | google/gemini-2.5-flash | 33.00% | 7.00% | | |
| | Qwen2.5-Coder-14B-Instruct (Base) | 29.00% | 30.00% | | |
| | Qwen2.5-Coder-32B-Instruct | 29.00% | 31.00% | | |
| | google/gemini-2.5-pro | 28.00% | 22.00% | | |
| | qwen/qwen-2.5-72b | 28.00% | 32.00% | | |
| | Tesslate/Tessa-Rust-T1-7B | 23.00% | 19.00% | | |
| *Benchmarks on code tasks measured using unit-test pass rate@1 in Docker-isolated Rust 1.86.0 environment.* | |
| --- | |
| ## Task Breakdown | |
| | Task | Base | Strand-14B | | |
| |------|------|-------------| | |
| | test_generation | 0.00 | 0.51 | | |
| | api_usage_prediction | 0.27 | 0.71 | | |
| | function_naming | 0.53 | 0.87 | | |
| | code_refactoring | 0.04 | 0.19–0.20 | | |
| | variable_naming | 0.87 | 1.00 | | |
| | code_generation | 0.40 | 0.49 | | |
| Largest improvements appear in *test generation*, *API usage prediction*, and *refactoring* – areas demanding strong semantic reasoning about Rust’s ownership and lifetime rules. | |
| --- | |
| ## Dataset | |
| **Fortytwo-Network/Strandset-Rust-v1 (191,008 examples, 15 categories)** | |
| Built through Fortytwo’s *Swarm Inference* pipeline, where multiple SLMs generate and cross-validate examples with peer review consensus and output aggregation. | |
| - 94.3% compile success rate | |
| - 73.2% consensus acceptance | |
| - Coverage of 89% of Rust language features | |
| - Tasks include: | |
| - `code_generation`, `code_completion`, `bug_detection`, `refactoring`, `optimization` | |
| - `docstring_generation`, `code_review`, `summarization`, `test_generation` | |
| - `naming`, `API usage prediction`, `search` | |
| Dataset construction involved 2,383 crates from crates.io, automatic compilation tests, and semantic validation of ownership and lifetime correctness. | |
| Dataset: [Fortytwo-Network/Strandset-Rust-v1](https://huggingface.co/datasets/Fortytwo-Network/Strandset-Rust-v1) | |
| --- | |
| ## Training Configuration | |
| | Setting | Value | | |
| |----------|-------| | |
| | Base model | Qwen2.5-Coder-14B-Instruct | | |
| | Method | LoRA (r=64, α=16) | | |
| | Learning rate | 5e-5 | | |
| | Batch size | 128 | | |
| | Epochs | 3 | | |
| | Optimizer | AdamW | | |
| | Precision | bfloat16 | | |
| | Objective | Completion-only loss | | |
| | Context length | 32,768 | | |
| | Framework | PyTorch + FSDP + Flash Attention 2 | | |
| | Hardware | 8× H200 GPUs | | |
| --- | |
| ## Model Architecture | |
| - **Base:** Qwen2.5-Coder (14 B parameters, GQA attention, extended RoPE embeddings) | |
| - **Tokenizer:** 151 k vocabulary optimized for Rust syntax | |
| - **Context:** 32 k tokens | |
| - **Fine-tuning:** Parameter-efficient LoRA adapters (≈1% of parameters updated) | |
| - **Deployment:** Compatible with local deployment and Fortytwo Capsule runtime for distributed swarm inference | |
| --- | |
| ## Evaluation Protocol | |
| - All evaluations executed in Docker-isolated Rust 1.86.0 environment | |
| - **Code tasks:** measured via unit test pass rate | |
| - **Documentation & naming tasks:** scored via LLM-based correctness (Claude Sonnet 4 judge) | |
| - **Code completion & API tasks:** syntax-weighted Levenshtein similarity | |
| - **Comment generation:** compilation success metric | |
| --- | |
| ## Why It Matters | |
| Rust is a high-safety, low-level language with complex ownership semantics that make it uniquely challenging for general-purpose LLMs. | |
| At the same time, there is simply **not enough high-quality training data on Rust**, as it remains a relatively modern and rapidly evolving language. | |
| This scarcity of large, reliable Rust datasets – combined with the language’s intricate borrow checker and type system – makes it an ideal benchmark for evaluating true model understanding and reasoning precision. | |
| **Strand-Rust-Coder** demonstrates how **specialized models** can outperform giant centralized models – achieving domain mastery with a fraction of the compute. | |
| Through **Fortytwo’s Swarm Inference**, the network was able to generate an **extremely accurate synthetic dataset**, enabling a **state-of-the-art Rust model** to be built through an efficient **LoRA fine-tune** rather than full retraining. | |
| This work validates Fortytwo’s thesis: **intelligence can scale horizontally through networked specialization rather than centralized scale.** | |
| --- | |
| ## Research & References | |
| - [Fortytwo: Swarm Inference with Peer-Ranked Consensus (arXiv)](https://arxiv.org/abs/2510.24801) - *Fortytwo Swarm Inference – Technical Report* | |
| - [Self-Supervised Inference of Agents in Trustless Environments (arXiv)](https://arxiv.org/abs/2409.08386) – *High-level overview of Fortytwo architecture* | |
| --- | |
| ## Intended Use | |
| - Rust code generation, completion, and documentation | |
| - Automated refactoring and test generation | |
| - Integration into code copilots and multi-agent frameworks | |
| - Research on domain-specialized model training and evaluation | |
| ### Limitations | |
| - May underperform on purely algorithmic or multi-language tasks (e.g., HumanEval-style puzzles). | |
| - Not suitable for generating unverified production code without compilation and test validation. | |
| --- | |
| ## Integration with Fortytwo Network | |
| Strand-Rust-Coder models are integrated into **Fortytwo’s decentralized Swarm Inference Network**, where specialized models collaborate and rank each other’s outputs. | |
| This structure enables **peer-reviewed inference**, improving reliability while reducing hallucinations and cost. | |
| To run a Fortytwo node or contribute your own models and fine-tunes, visit: [fortytwo.network](https://fortytwo.network) | |
| --- | |
| ## GGUF Quantized Versions | |
| This repository provides **GGUF-format quantizations** of the model [Fortytwo-Network/Strand-Rust-Coder-14B-v1](https://huggingface.co/Fortytwo-Network/Strand-Rust-Coder-14B-v1), optimized for local inference using tools such as **llama.cpp**, **Jan**, **Ollama**, **LM Studio** and other compatible runtimes. | |
| These quantizations significantly reduce memory requirements while preserving near-original accuracy, making deployment possible on a wide range of consumer hardware. | |
| | **Quantization** | **File Size** | **Bit Precision** | **Description** | | |
| |------------------|-----------|------------------|----------------| | |
| | **Q8_0** | 15.7 GB | **8-bit** | Near-full precision, for most demanding local inference | | |
| | **Q6_K** | 12.1 GB | **6-bit** | Balanced performance and efficiency | | |
| | **Q5_K_M** | 10.5 GB | **5-bit** | Lightweight deployment with strong accuracy retention | | |
| | **Q4_K_M** | 8.99 GB | **4-bit** | Ultra-fast, compact variant for consumer GPUs and laptops | | |
| --- | |
| ### Usage | |
| You can load the GGUF models with **llama.cpp** or compatible backends: | |
| ```bash | |
| ./main -m models/Strand-Rust-Coder-14B-v1.Q5_K_M.gguf -p "Write a Rust function that reads a file line by line." | |
| ``` | |
| Or run interactively in **Jan**, **LM Studio** or **Ollama** by simply importing the model. | |
| --- | |
| ### License | |
| These quantized weights are distributed under the same **Apache 2.0 License** as the original model. | |
| **Fortytwo – An open, networked intelligence shaped collectively by its participants** | |
| Join the swarm: [fortytwo.network](https://fortytwo.network) | |
| X: [@fortytwo](https://x.com/fortytwo) |