The Chat Completion API is still available separately. However, OpenAI recommends using the Responses API for new integrations, even if agent capabilities are not yet required.

Explore OpenAI's 2025 API updates, unifying tools and enhancing AI agent development with cutting-edge features and privacy safeguards.

The difference between Assistants and Agents By enabling GPT-4 to interact and work with existing apps and services, the Assistants API creates a new paradigm for AI-assisted tasks.

Using the Assistants API, OpenAI customers can build an “assistant” that has specific instructions, leverages outside knowledge and can call OpenAI generative AI models and tools to perform tasks.

Databricks launched Lakebase today, a new database designed for enterprises and developers to build data applications and artificial intelligence agents on a single multi-cloud platform.