Axios AI+

December 18, 2025
Ina is out for the holiday, so I'm taking the wheel again. This newsletter isn't an autonomous vehicle yet and we hope it never will be.
Today's AI+ is 1,130 words, a 4.5-minute read.
1 big thing: Google's new Gemini 3 Flash is everywhere
Google released its new Gemini 3 Flash model yesterday, aiming to strike a decisive blow against OpenAI and other competitors by pushing a faster, cheaper model throughout its sprawling ecosystem.
Why it matters: The AI race is quickly becoming a standoff between Google and OpenAI, with huge implications not just for artificial intelligence technology, but for the entire economy.
Driving the news: Gemini 3 Flash includes Gemini 3 Pro's reasoning capabilities in a model that Google says is faster, more efficient and cheaper to run.
- "This is about bringing the strength and the foundation of Gemini 3 to everyone," Tulsee Doshi, senior director and Gemini product lead, told Axios. The release is all about giving more people access to the most powerful AI tools, Doshi says.
- Gemini 3 Flash will be the default model in the Gemini app, replacing Gemini 2.5 Flash for everyday tasks.
- It will also be the default model for AI Mode in search, meaning everyday Google users worldwide will be exposed to it.
- Salesforce, Workday and Figma are already using Gemini 3 Flash.
- The launch comes less than a week after OpenAI launched GPT-5.2, and a day after OpenAI launched ChatGPT Images.
Between the lines: More efficient AI models can put the power of machine learning into the hands of more people, including consumers and small businesses.
- Google says Gemini 3 Flash excels at tasks like planning last-minute trips or learning complex educational concepts quickly.
- Multimodal reasoning capabilities in the new model allow users to ask Gemini to watch videos, look at images, listen to audio or read text and turn those answers into content.
The intrigue: Gemini 3 Flash performs better than Gemini 3 Pro on SWE-bench Verified, a benchmark for evaluating coding agent capabilities, Doshi says.
- That makes the new model more attractive for business clients, an area where Anthropic's Claude has made heavy inroads and where OpenAI is trying to catch up.
Catch up quick: Google released its Gemini 3 Pro model on Nov. 18, lighting a fire under OpenAI and forcing the company into a "code red" mode to catch up.
- Google entered into its own "code red" mode three years ago at the launch of ChatGPT.
The big picture: In the increasingly binary AI race between OpenAI and Google, Google has the ubiquity edge.
- OpenAI may have the first-mover advantage, but Gemini's distribution is wider within search and across Google's core apps.
- Gemini's share of weekly mobile app downloads, monthly active users and its global website visits have all recently increased at a higher rate than ChatGPT's, according to a report in The Information.
Yes, but: The relentless release cycle reflects the cutthroat nature of competition at the leading edge of the model race where any company can quickly go from leader to also-ran.
- Google and OpenAI aren't far ahead enough to discount Anthropic, Meta, xAI, DeepSeek and a whole host of startups.
What we're watching: Whether Google can maintain accuracy at scale as it inserts Gemini more aggressively across products.
2. Democrats target data centers in AI fight
Democrats are zeroing in on voter frustrations around electricity bill spikes as data centers become an opening to hit back at President Trump's AI policies.
Why it matters: The data center scrutiny is in direct contrast to the Trump administration, which is aligned with industry in its eagerness to start construction in the U.S.
Driving the news: Sen. Bernie Sanders (I-Vt.), who caucuses with Democrats, on Tuesday called for a "moratorium" on data center construction.
- Trump allies on the Hill used the same language in their push for a "moratorium" this year to stop states from regulating AI.
- Sanders said in a video that new data center construction should be paused to "give democracy a chance to catch up with the transformative changes that we are witnessing, and make sure that the benefits of these technologies work for all of us, not just the wealthiest people on earth."
Sen. Elizabeth Warren (D-Mass.) this week launched an investigation into Google, Amazon and Meta's "energy-guzzling data centers" and "opaque agreements with utility companies" that leave consumers "holding the bill for these trillion-dollar companies."
- Sens. Chris Van Hollen (D-Md.) and Richard Blumenthal (D-Conn.) co-signed the letter, which was also sent to Microsoft, CoreWeave, Digital Realty and Equinix, demanding answers on construction details, utility cost impacts and more by Jan. 12.
- Sen. Adam Schiff (D-Calif.) is also eyeing legislation to protect consumers from data center-driven rate increases.
The intrigue: The Trump administration is threading a needle that may not work with voters — backing industry dreams of a rapid build-out of data centers while pitching it as a win for everyday Americans.
- Energy Secretary Chris Wright has said the administration's efforts to boost AI research will make people's lives better and bring down electricity prices that have "infuriated American citizens."
- Outside the Beltway, some Republicans are more clear-eyed on the potential political pitfalls of backing data center construction and are making plans to restrict them, like Florida Gov. Ron DeSantis.
The bottom line: Democrats are testing whether data centers can become a political liability for Trump, and a way to bring their affordability message to the AI debate.
3. America's data center growth hot spots, mapped


Nearly 3,000 new data centers are under construction or planned across the U.S., per a new analysis shared first with Axios — adding to the more than 4,000 already in operation.
Why it matters: Big tech and many local leaders are full steam ahead on building as many data centers as possible to generate revenue and power the AI boom — but they're fueling a major political fight, with locals pushing back over energy use and other concerns.
Driving the news: Virginia leads the country in data centers, with 663 operational and 595 more either under construction or planned.
- Texas is also up there, with 405 existing data centers and 442 planned or being built.
- That's per a new report from the American Edge Project (a pro-tech advocacy group) and the Technology Councils of North America (which represents tech and IT trade organizations).
4. Training data
- A controversial Michigan data center project is now reportedly "in limbo" after Blue Owl Capital walked away from talks over investing in the data center. (Axios)
- A startup backed by Andreessen Horowitz manages AI-generated social media ad campaigns often without proper disclosure, according to a recent hack. (404 Media)
- AI tools are getting better at sophisticated hacking, according to recent academic studies and industry warnings. (Axios)
5. + This
In case you wanted proof that Tesla robots are controlled by a human in a headset, watch this video. I feel for the human, honestly.
Thanks to Matt Piper for copy editing this newsletter.
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