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OpenAI

🔥 $852 Billion and Still Private: OpenAI Just Let Employees Cash Out $7 Billion

OpenAI just let employees cash out $7 billion in stock at an $852 billion valuation — two months after a confidential SEC filing, and before a single public share trades.

🔥 OpenAI Just Handed Free Users Unlimited Chats — On the Model It Says Cuts Factual Errors 68%

OpenAI made free ChatGPT unlimited on GPT-5.6 Luna and says GPT-5.6 Sol cuts factual errors 68% versus GPT-5.5 Instant.

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Model Comparison Series: GPT-5.2

OpenAI dropped GPT-5.2 in December 2025. The update focused on three main areas: reasoning, coding, and long-document