The 10 most important AI stories of April 28, 2026, hand-curated from the day's coverage. Every story links to its primary source.
Elon Musk testified Tuesday he's suing OpenAI and two of its co-founders — Sam Altman and Greg Brockman — because the startup's pivot from a charity to a for-profit business is wrong and sets a concerning precedent for other philanthropic efforts.
For the first three years of the artificial intelligence boom, Amazon.com Inc. watched as cloud customers seeking the latest and greatest from OpenAI took their business to Microsoft Corp.
Google has reached an agreement with the US Defense Department to allow its artificial intelligence systems to be used for classified military work, according to a Pentagon official, a deal that came together as researchers at the company protested against it.
An AI startup cofounder explains why they canceled their ChatGPT plan, and are among a growing group of AI user's choosing Claude over ChatGPT.
US spending on power-plant equipment is expected to triple through 2030, primarily driven by the growth of data centers that may account for as much as 40% of total investment, according to a report Tuesday from Wood Mackenzie Ltd.
Anthropic now says that the average cost per developer per active day is $13, up from $6 earlier this month.
The US Food and Drug Administration plans to cut the time it takes drug companies to test new medicines by getting more visibility into clinical trials as they're underway.
Can AI improve the very grid it demands so much from? Emerging AI models, like Anthropic's Mythos, are at once the grid's biggest threat and its most powerful defense.
Meta introduced its new AI model at the beginning of the second quarter, so Mark Zuckerberg's commentary about the future will be key during earnings.
The model expands the AI chip giant's non-hardware offerings.
Track the tools behind the news:
→ AI Tool Leaderboard → Browse the directory