This week’s startup headlines were dominated by OpenAI’s impressive fundraising efforts, but there’s plenty more going on in the entrepreneurial world worth noting.

BillionAI: OpenAI has made waves by securing a staggering $6.6 billion at a jaw-dropping $157 billion post-money valuation. The company also lined up a $4 billion revolving credit facility and rolled out a new interface. Interestingly, reports suggest OpenAI encouraged investors to steer clear of competitors like Anthropic and xAI, though the company hasn’t officially confirmed this. Meanwhile, Anthropic has made headlines of its own by hiring OpenAI co-founder Durk Kingma for a remote position.

Cloning Controversy: Y Combinator found itself in hot water for supporting PearAI, an AI code editor whose CEO issued an apology for allegedly cloning an open-source project backed by YC without proper attribution and with a “flubbed” license.

Livestreamed Shopping Surge: In more uplifting news, Whatnot, a livestream shopping platform, announced its annual gross merchandise volume (GMV) has exceeded $2 billion this year. This milestone suggests that the live commerce trend still has potential in the U.S. market.

Deep Dive into AI: AI coding startup Poolside raised an eye-popping $500 million in a Series B funding round led by Bain Capital Ventures, with contributions from eBay and Nvidia. This funding will enable Poolside to activate 10,000 Nvidia GPUs to train future models, according to CEO Jason Warner.

Cool Innovations: Barcelona-based startup Submer, which specializes in immersion cooling solutions, secured $55.5 million to expand its customer base. Its technology is already in use by hyperscalers, telecom companies, and other large enterprises.

AI Sales Boost: 11x.ai, known for developing AI sales bots, successfully raised approximately $50 million in a Series B round led by Andreessen Horowitz, as reported by TechCrunch.

Stealthy Success: Cloud backup startup Eon emerged from stealth mode to reveal it has reached a remarkable $750 million post-money valuation after securing three funding rounds, including a $77 million Series B.

Quietly Funded: Series, a generative AI game-development platform, quietly raised $28 million in a Series A round from investors including Netflix, Dell, and a16z.

Trimmed Funds: In a sign of caution, veteran venture firm CRV returned $275 million from its $500 million late-stage Select fund to investors, citing the overvaluation of mature startups. This follows similar actions from India’s Peak XV, which also reduced its fund size and fees in light of market overheating.

New Ventures: Finally, former Y Combinator managing director and Twitter executive Ali Rowghani is launching a new venture firm, Maxq, with ambitions to raise $250 million for its debut fund.

As OpenAI continues to make headlines, the startup ecosystem remains rich with innovation and activity, proving there’s still ample room for fresh ideas and investments.