Update README.md

README.md

@@ -420,25 +420,93 @@ int main()
 }
 ```
 
-We currently supports `JinaEmbeddingFunction` and `OpenAIEmbeddingFunction` for this purpose. 
+We currently supports `JinaEmbeddingFunction`, `OpenAIEmbeddingFunction`, `CohereEmbeddingFunction`, `VoyageAIEmbeddingFunction` and `TogetherAIEmbeddingFunction` for this purpose. 
 
+**JinaEmbeddingFunction**
 ```cpp
 #include "ChromaDB/ChromaDB.h"
 
 int main()
 {
-    std::shared_ptr<chromadb::OpenAIEmbeddingFunction> openaiEmbeddingFunction = std::make_shared<chromadb::OpenAIEmbeddingFunction>("openai-api-key");
     std::shared_ptr<chromadb::JinaEmbeddingFunction> jinaEmbeddingFunction = std::make_shared<chromadb::JinaEmbeddingFunction>("jina-api-key");
 }
 ```
 
 **Parameters**
 - **apiKey**: The API key to access the API.
-- **model**: (Optional) The model to use for generating embeddings. Defaults to "text-embedding-3-small" or "jina-embeddings-v2-base-en".
-- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.openai.com" or "api.jina.ai".
+- **model**: (Optional) The model to use for generating embeddings. Defaults to "jina-embeddings-v2-base-en".
+- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.jina.ai".
 - **path**: (Optional) The path of the endpoint for generating embeddings. Defaults to "/v1/embeddings".
 
-> Note: You can get started immediately by obtaining a free Jina API Key [here](https://jina.ai/embeddings/#apiform)
+> Note: You can get started immediately by obtaining a free Jina API Key with 1M Tokens [here](https://jina.ai/embeddings/#apiform)
+
+**OpenAIEmbeddingFunction**
+```cpp
+#include "ChromaDB/ChromaDB.h"
+
+int main()
+{
+    std::shared_ptr<chromadb::OpenAIEmbeddingFunction> openAIEmbeddingFunction = std::make_shared<chromadb::OpenAIEmbeddingFunction>("openai-api-key");
+}
+```
+
+**Parameters**
+- **apiKey**: The API key to access the API.
+- **model**: (Optional) The model to use for generating embeddings. Defaults to "text-embedding-3-small".
+- **dimensions**: (Optional) The number of dimensions of the embeddings. Defaults to 1536.
+- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.openai.com".
+- **path**: (Optional) The path of the endpoint for generating embeddings. Defaults to "/v1/embeddings".
+
+**CohereEmbeddingFunction**
+```cpp
+#include "ChromaDB/ChromaDB.h"
+
+int main()
+{
+    std::shared_ptr<chromadb::CohereEmbeddingFunction> cohereEmbeddingFunction = std::make_shared<chromadb::CohereEmbeddingFunction>("cohere-api-key");
+}
+```
+
+**Parameters**
+- **apiKey**: The API key to access the API.
+- **model**: (Optional) The model to use for generating embeddings. Defaults to "embed-english-v3.0".
+- **inputType**: (Optional) The input type passed to the model. Defaults to "classification".
+- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.cohere.com".
+- **path**: (Optional) The path of the endpoint for generating embeddings. Defaults to "/v1/embed".
+
+
+**VoyageAIEmbeddingFunction**
+```cpp
+#include "ChromaDB/ChromaDB.h"
+
+int main()
+{
+    std::shared_ptr<chromadb::VoyageAIEmbeddingFunction> voyageAIEmbeddingFunction = std::make_shared<chromadb::VoyageAIEmbeddingFunction>("voyageai-api-key");
+}
+```
+
+**Parameters**
+- **apiKey**: The API key to access the API.
+- **model**: (Optional) The model to use for generating embeddings. Defaults to "voyage-2".
+- **inputType**: (Optional) The input type passed to the model. Defaults to "document".
+- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.voyageai.com".
+- **path**: (Optional) The path of the endpoint for generating embeddings. Defaults to "/v1/embeddings".
+
+**TogetherAIEmbeddingFunction**
+```cpp
+#include "ChromaDB/ChromaDB.h"
+
+int main()
+{
+    std::shared_ptr<chromadb::TogetherAIEmbeddingFunction> togetherAIEmbeddingFunction = std::make_shared<chromadb::TogetherAIEmbeddingFunction>("togetherai-api-key");
+}
+```
+
+**Parameters**
+- **apiKey**: The API key to access the API.
+- **model**: (Optional) The model to use for generating embeddings. Defaults to "togethercomputer/m2-bert-80M-8k-retrieval".
+- **baseUrl**: (Optional) The base URL of the API server. Defaults to "api.together.xyz".
+- **path**: (Optional) The path of the endpoint for generating embeddings. Defaults to "/v1/embeddings".
 
 ### Get Embeddings from a Collection
 To retrieve embeddings from an existing collection in ChromaDB, use the `GetEmbeddings` method. This method allows you to specify the collection, optional IDs of the embeddings, and optional filters and fields to include in the result.