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Jon Keegan

Report: xAI raising $15 billion for a $230 billion valuation

xAI is looking to raise $15 billion at a $230 billion valuation, according to a report from The Wall Street Journal.

xAI is still burning through cash as it races to build its Colossus 2 data center in Tennessee. Last month, it was reported that the company needs to spend $18 billion to purchase another 300,000 Nvidia GPUs.

For all that cash, xAI is still in third place when it comes to its Grok chatbot. A September report found that Grok had only 64 million monthly users, compared to ChatGPT’s 800 million weekly users.

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OpenAI releases ChatGPT 5.5 — more complex “knowledge work” for fewer tokens

Right on the heels of Anthropic’s Claude Opus 4.7, OpenAI has also released the next incremental improvement to its flagship frontier model.

OpenAI says that ChatGPT 5.5 performs better on complex coding and data analysis tasks, and more carefully follows instructions, even when the instructions are vague.

Importantly, this gain in capability does not mean developers and companies have to shell out for more tokens (as is the case with Claude Opus 4.7) — the model uses fewer tokens that ChatGPT 5.4.

OpenAI says the new model has strengthened safeguards to ensure that the model’s strong cybersecurity capabilities aren’t used for malicious attacks.

Importantly, this gain in capability does not mean developers and companies have to shell out for more tokens (as is the case with Claude Opus 4.7) — the model uses fewer tokens that ChatGPT 5.4.

OpenAI says the new model has strengthened safeguards to ensure that the model’s strong cybersecurity capabilities aren’t used for malicious attacks.

🤖 75%
Jon Keegan

On Wednesday, Google CEO Sundar Pichai said in a blog post that AI is now writing 75% of new code at the company. This is up from 50% last fall. Pichai said all code is “approved by engineers.”

Google announced new TPU 8 chips today at its annual Cloud Next event. Pichai wrote:

“We’re now shifting to truly agentic workflows. Our engineers are orchestrating fully autonomous digital task forces, firing off agents and accomplishing incredible things.”

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