This article will guide you through the differences between available ChatGPT (OpenAI) actions you can use in your Zap to send and receive messages. It will help you decide which action is best for your needs when sending messages. There are two actions available:
- Conversation.
- Conversation with Assistant.
ChatGPT (OpenAI) action comparison table
| Feature | Conversation | Conversation with Assistant |
| Best for | Conversations that require back-and-forth interactions. Includes memory and optional image support. | Conversations with structured assistants that can store files, use tools, and maintain long context. |
| Context retention | Supports memory via the Memory Key field. | Supports memory via the Conversation ID field and assistant-specific instructions. |
| API used | Chat Completions API | Assistant API |
| Supported models | ||
| Media support | Images supported (if model allows, e.g. GPT-4o). | Supports file uploads (code interpreter and file search). |