OpenAI announces GPT-4 Turbo 128K and Assistants API Retrieval
GPT-4 Turbo 128K and Assistants API Retrieval announced
Why it matters
The turning point at which homemade RAG pipelines began to be absorbed into built-in platform features
Source — Primary sources first; secondary reports are labelled “Press”
Officialopenai.comhttps://openai.com/index/new-models-and-developer-products-announced-at-devday/Added in Week 35, 2026 · See that week