Merge pull request #418 from Gary-H9/add-dall-e-3

Add DALL·E 3 to specs & README

Author: alexrudall

README.md

@@ -38,6 +38,8 @@ Stream text with GPT-4, transcribe and translate audio with Whisper, or create i
 - [Runs](#runs)
   - [Runs involving function tools](#runs-involving-function-tools)
 - [Image Generation](#image-generation)
+  - [DALL·E 2](#dalle-2)
+  - [DALL·E 3](#dalle-3)
 - [Image Edit](#image-edit)
 - [Image Variations](#image-variations)
 - [Moderations](#moderations)
@@ -705,8 +707,11 @@ Note that you have 10 minutes to submit your tool output before the run expires.
 
 ### Image Generation
 
-Generate an image using DALL·E! The size of any generated images must be one of `256x256`, `512x512` or `1024x1024` -
-if not specified the image will default to `1024x1024`.
+Generate images using DALL·E 2 or DALL·E 3! 
+
+#### DALL·E 2
+
+For DALL·E 2 the size of any generated images must be one of `256x256`, `512x512` or `1024x1024` - if not specified the image will default to `1024x1024`.
 
 ```ruby
 response = client.images.generate(parameters: { prompt: "A baby sea otter cooking pasta wearing a hat of some sort", size: "256x256" })
@@ -716,6 +721,19 @@ puts response.dig("data", 0, "url")
 
 ![Ruby](https://i.ibb.co/6y4HJFx/img-d-Tx-Rf-RHj-SO5-Gho-Cbd8o-LJvw3.png)
 
+#### DALL·E 3
+
+For DALL·E 3 the size of any generated images must be one of `1024x1024`, `1024x1792` or `1792x1024`. Additionally the quality of the image can be specified to either `standard` or `hd`.
+
+```ruby
+response = client.images.generate(parameters: { prompt: "A springer spaniel cooking pasta wearing a hat of some sort", size: "1024x1792", quality: "standard" })
+puts response.dig("data", 0, "url")
+# => "https://oaidalleapiprodscus.blob.core.windows.net/private/org-Rf437IxKhh..."
+```
+
+![Ruby](https://i.ibb.co/z2tCKv9/img-Goio0l-S0i81-NUNa-BIx-Eh-CT6-L.png)
+
+
 ### Image Edit
 
 Fill in the transparent part of an image, or upload a mask with transparent sections to indicate the parts of an image that can be changed according to your prompt...