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All LLM updates

What did OpenAI change this week?

GPT-4, GPT-4o, Responses API, Assistants, tool calling

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1 change from OpenAI this week.

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highModel Release5/15/2026

Databricks brings GPT-5.5 to enterprise agent workflows

Databricks uses GPT-5.5 for enterprise agent workflows after the model set a new state of the art on the OfficeQA Pro benchmark.

Action: Benchmark candidate model behavior before adopting in production.

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