OpenAI announces GPT-4 Turbo 128K and Assistants API Retrieval
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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
On the map — ② RAG, Fine-Tuning line
- Previous stopLost in the Middle
- This record · stopGPT-4 Turbo
- Next stopGemini 1.5 Pro
In the model family tree — GPT family · 23 versions
- Earlier versionGPT-4V(ision)
- This recordGPT-4 Turbo
- Later versionGPT-4o