Default LLMs and Embedders
The C3 Agentic AI Platform includes pre-configured LLM clients and authentication to support Agent Lifecycle Management features in C3 AI Studio.
Default client and authentication configurations
The following table shows the configured LLM clients and authentication objects for the C3 Agentic AI Platform.
| Requirement Type | Name | Provider | Model | Note |
|---|---|---|---|---|
| GenaiCore.Llm.Bedrock.Auth | "default-auth" | AWS Bedrock | N/A | |
| GenaiCore.Llm.AzureOpenAi.Auth | "default-auth" | Azure OpenAI | N/A | |
| GenaiCore.Llm.AzureOpenAi.Auth | "default-auth-embedder" | Azure OpenAI | N/A | |
| GenaiCore.Llm.AzureOpenAi.Auth | "default-auth-responses" | Azure OpenAI | N/A | |
| GenaiCore.Llm.VertexAi.Auth | "default-auth" | GCP Vertex AI | N/A | |
| GenaiCore.Llm.Completion.Client | "default-completions" | Depends on deployment | Claude Sonnet 4.5 | Available on GCP, AWS, and Azure |
| GenaiCore.Llm.Response.Client | "default-responses" | Azure OpenAI | GPT-5.2 | If the client doesn't allow Azure then this should be ignored |
| GenaiCore.Llm.Completion.Client | "default-completions-web" | Vertex AI | Gemini 2.5 Flash | In the defaultOptions parameter, the following is configured: web_search_options={"search_context_size": "medium"} |
| GenaiCore.Llm.Completion.Client | "claude-sonnet-4.5" | AWS Bedrock | Claude Sonnet 4.5 | If deployed on AWS |
| GenaiCore.Llm.Embedding.Client | "cohere.embed-multilingual-v3" | AWS Bedrock | Cohere Embed Multilingual v3 | If deployed on AWS |
| GenaiCore.Llm.Completion.Client | "claude-sonnet-4.5" | GCP Vertex AI | Claude Sonnet 4.5 | If deployed on GCP |
| GenaiCore.Llm.Embedding.Client | "gemini-embedding-001" | GCP Vertex AI | Gemini Embedding 001 | If deployed on GCP |
| GenaiCore.Llm.Completion.Client | "claude-sonnet-4.5" | Azure OpenAI | Claude Sonnet 4.5 | If deployed on Azure |
| GenaiCore.Llm.Embedding.Client | "embed-v4" | Azure OpenAI | Cohere Embed v4 | If deployed on Azure |
Models are provisioned and invoked in the region where your account is deployed by default.
If a model is not available in the region where your cluster or account is deployed, the GenaiCore.Llm.Auth and GenaiCore.Llm.Completion.Client objects will not be configured.
Configuring your own LLMs
To configure your LLM clients please follow Set Up LLM Clients.