docs: DOC-278: Add Anthropic to Prompts model list (#7117)

Co-authored-by: caitlinwheeless <[email protected]>

Author: caitlinwheeless

docs/source/guide/prompts_keys.md

@@ -18,6 +18,7 @@ There are two approaches to adding a model provider API key.
     * OpenAI
     * Vertex AI
     * Gemini
+    * Anthropic
 
 * In the second scenario, you add a separate API key per model. Examples include:
 
@@ -58,6 +59,14 @@ The JSON credentials are required. You can also optionally provide the project I
 
 Once added, all supported models will appear in the base model drop-down when you [draft your prompt](prompts_draft).
 
+## Anthropic API key
+
+You can only have one Anthropic key per organization. This grants you access to set of whitelisted models. For a list of these models, see [Supported base models](prompts_overview#Supported-base-models). 
+
+For information on getting an Anthropic API key, see [Anthropic - Accessing the API](https://docs.anthropic.com/en/api/getting-started#accessing-the-api).
+
+Once added, all supported models will appear in the base model drop-down when you [draft your prompt](prompts_draft).
+
 ## Azure OpenAI key
 
 Each Azure OpenAI key is tied to a specific deployment, and each deployment comprises a single OpenAI model. So if you want to use multiple models through Azure, you will need to create a deployment for each model and then add each key to Label Studio. 

docs/source/guide/prompts_overview.md

@@ -48,9 +48,10 @@ With Prompts, you can:
 
 | Provider | Supported models |
 | --- | --- |
-| **OpenAI** | gpt-3.5-turbo-16k* <br>gpt-3.5-turbo* <br>gpt-4 <br>gpt-4-turbo <br>gpt-4o <br>gpt-4o-mini <br>o3-mini<br><br>**Note:** We recommend against using GPT 3.5 models, as these can sometimes be prone to rate limit errors and are not compatible with Image data.  |
+| **OpenAI** | gpt-3.5-turbo-16k* <br>gpt-3.5-turbo* <br>gpt-4 <br>gpt-4-turbo <br>gpt-4o <br>gpt-4o-mini <br>o3-mini <br>o1<br><br>**Note:** We recommend against using GPT 3.5 models, as these can sometimes be prone to rate limit errors and are not compatible with Image data.  |
 | **Gemini** | gemini-2.0-flash-exp <br>gemini-1.5-flash <br>gemini-1.5-flash-8b <br>gemini-1.5-pro  |
 | **Vertex AI** | gemini-2.0-flash-exp <br>gemini-1.5-flash <br>gemini-1.5-pro   |
+| **Anthropic** | claude-3-5-haiku <br>claude-3-5-sonnet    |
 | **Azure OpenAI** | [Azure OpenAI chat-based models](https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models) <br><br>**Note:** We recommend against using GPT 3.5 models, as these can sometimes be prone to rate limit errors and are not compatible with Image data.  |
 | **Custom** | [Custom LLM](prompts_create#Add-OpenAI-Azure-OpenAI-or-a-custom-model) |