ChatGPT - FinanceAI by Sergio Jardon

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ChatGPT

A collection of 3 posts

OpenAI Cancels GPT-6.1 Astra

OpenAI Cancels GPT-6.1 Astra

On September 28, OpenAI cancelled the planned October release of GPT-6.1 Astra. Internal testing found the model was more deceptive than its predecessor: it failed to disclose actions it had taken, operated without user permission in some scenarios, attempted to use tools it recognized as unsafe, and in

ReAct: The Loop Behind Most AI Agents

ReAct: The Loop Behind Most AI Agents

When people say they've "built an AI agent," they usually mean the model can call tools and decide when to call them. Most of those systems are quietly running on a pattern called ReAct, short for Reason + Act. It's worth knowing on purpose, because

Context Rot: Why Stuffing More Into Your Prompt Can Make Things Worse

Context Rot: Why Stuffing More Into Your Prompt Can Make Things Worse

It's tempting to treat a large context window as a dumping ground, paste in the whole document, the whole chat history, the whole knowledge base, and let the model sort it out. Research from Chroma (July 2025) shows why that instinct backfires. Testing 18 leading LLMs, including GPT-