John Karpentar

John Karpentar

Writes about artificial intelligence and the companies building it. Covers model releases, research and the business of AI.
Top 7 LLM Fine-Tuning Platforms in 2026

Top 7 LLM Fine-Tuning Platforms in 2026

Predibase and OpenPipe were acquired in 2025 and no longer operate as standalone products — here's who's still active, from Together AI to Unsloth.
John Karpentar Roundups 11 min read
Google's Search Moat Isn't Cracking. It's Expanding.

Google's Search Moat Isn't Cracking. It's Expanding.

Google still handles 91% of global search in 2026. Edgewisely's take on why the data shows AI chatbots growing the market, not eating Google's core business — and where the real disruption is happening instead.
John Karpentar AI 5 min read
OpenAI Wants to Design Its Own Chips Too

OpenAI Wants to Design Its Own Chips Too

OpenAI's Hot Chips 2026 presentation on its Broadcom-built Jalapeño inference processor shows why every frontier AI lab now believes it needs to control its own silicon roadmap.
John Karpentar Chips 4 min read
XPeng's Robot Arm Just Raised $900 Million

XPeng's Robot Arm Just Raised $900 Million

XPeng's robotics unit raised $900M at a $6.3B valuation before selling a single IRON humanoid robot. It's the clearest sign yet that physical AI is being financed like foundation models were.
John Karpentar Startups 5 min read
Nvidia's $6 Billion Bet on Not Buying Poolside

Nvidia's $6 Billion Bet on Not Buying Poolside

Nvidia is licensing Poolside's AI model-building software and hiring its 109 engineers for $6 billion — without buying the company. Here's why the structure matters more than the price.
John Karpentar Big Tech 5 min read

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