Add phi-3 tutorial

docs/genai/howto/install.md

@@ -13,11 +13,17 @@ nav_order: 1
 * TOC placeholder
 {:toc}
 
-## Python package release candidates
+## Python package
 
 ```bash
 pip install numpy
-pip install onnxruntime-genai --pre --index-url=https://aiinfra.pkgs.visualstudio.com/PublicPackages/_packaging/onnxruntime-genai/pypi/simple/
+pip install onnxruntime-genai --pre
+```
+Append `-directml` for the library that is optimized for DirectML on Windows
+
+```bash
+pip install numpy
+pip install onnxruntime-genai-directml --pre
 ```
 
 Append `-cuda` for the library that is optimized for CUDA environments

docs/genai/tutorials/phi2-python.md

@@ -4,7 +4,7 @@ description: Learn how to write a language generation application with ONNX Runt
 has_children: false
 parent: Tutorials
 grand_parent: Generative AI (Preview)
-nav_order: 1
+nav_order: 2
 ---
 
 # Language generation in Python with phi-2

docs/genai/tutorials/phi3-python.md

@@ -0,0 +1,75 @@
+---
+title: Python phi-3 tutorial
+description: Small but mighty. Run Phi-3 with ONNX Runtime.
+has_children: false
+parent: Tutorials
+grand_parent: Generative AI (Preview)
+nav_order: 1
+---
+
+# Run the Phi-3 Mini models with the ONNX Runtime generate() API
+
+
+## Download the model 
+
+Phi-3 ONNX models are published on HuggingFace.
+
+Download either or both of the [short](https://aka.ms/phi3-mini-4k-instruct-onnx) and [long](https://aka.ms/phi3-mini-128k-instruct-onnx) context Phi-3 mini models.
+
+
+For the short context model.
+
+```bash
+git clone https://huggingface.co/microsoft/Phi-3-mini-4k-instruct-onnx
+```
+
+For the long context model
+
+```bash
+git clone https://huggingface.co/microsoft/Phi-3-mini-128k-instruct-onnx
+```
+
+These model repositories have models that run with DirectML, CPU and CUDA.
+
+## Install the generate() API package
+
+### DirectML
+
+```
+pip install numpy
+pip install --pre onnxruntime-genai-directml
+```
+
+### CPU
+
+```
+pip install numpy
+pip install --pre onnxruntime-genai
+```
+
+### CUDA
+
+```
+pip install numpy
+pip install --pre onnxruntime-genai-cuda --index-url=https://aiinfra.pkgs.visualstudio.com/PublicPackages/_packaging/onnxruntime-genai/pypi/simple/
+```
+
+## Run the model
+
+Run the model with [this script](https://github.com/microsoft/onnxruntime-genai/blob/main/examples/python/model-qa.py).
+
+The script accepts a model folder and takes the generation parameters from the config in that model folder. You can also override the parameters on the command line.
+
+This example is using the long context model running with DirectML on Windows.
+
+```bash
+python model-qa.py -m models/phi3-mini-128k-instruct-directml-int4-awq-block-128
+```
+
+Once the script has loaded the model, it will ask you for input in a loop, streaming the output as it is produced the model. For example:
+
+```bash
+Input: <|user|>Tell me a joke about creative writing<|end|><|assistant|>
+
+Output:  Why don't writers ever get lost? Because they always follow the plot! 
+```