AI article
The Assistants API is Gone. Here's How to Build Agents Now.
Community description: OpenAI has officially sunset the stateful Assistants API as of August 2026, replacing it with the more direct Responses API. This is a fundamental architectural shift for AI engineers.
Dev.to | Oct 2, 2026 | albe_sf
Automated excerpt
For developers building Retrieval-Augmented Generation (RAG) systems, the most important change is the introduction of the file_search tool within the Responses API. The move to a stateless API gives you direct authority over conversation history and state management. The Responses API also consolidates complex workflows into a single API call, simplifying the overall interaction model.
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