ChatGPT SearchAug 10, 2026
the best default for a large PDF knowledge base is the **Vector Store Search endpoint**
AI named Vector Store Search in August 2026.
AI cited platform.openai.com in these answers, after arxiv.org.
platform.openai.com/docs/api-reference/vector-stores 33%Other sites 67%
Excerpts where Vector Store Search appeared in the AI's answer
the best default for a large PDF knowledge base is the **Vector Store Search endpoint**