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Read full article about: Google ships its most expressive Gemini 3.1 text-to-speech model yet with 70+ language support

Google is rolling out its new text-to-speech model based on Gemini 3.1 Flash. The company says it's the most natural and expressive voice output it has shipped to date. The big new feature is audio tags—simple text commands that let developers control the style, tempo, tone, and accent of the generated speech. The model supports over 70 languages and can handle multi-speaker dialogs.

On the Artificial Analysis ranking list, the model hits an Elo rating of 1,211 and stands out for its quality-to-price ratio. It beats Elevenlabs v3 in overall quality and sits just behind Inworld 1.5 Max.

Gemini 3.1 Flash TTS ranks among the top text-to-speech models for both quality and value. | Image: Google

Gemini 3.1 Flash TTS has a free tier, but Google uses the data to improve its products. The paid tier runs $1.00 per million tokens for text input and $20.00 per million tokens for audio output. Batch mode cuts those prices in half to $0.50 and $10.00, respectively. On the paid tier, Google doesn't use the data for product improvement.

Gemini 3.1 Flash TTS is available as a preview through the Gemini API, Vertex AI for enterprise users, and Google Vids for Workspace users. Anyone can try it for free in Google's AI Studio. All generated audio is tagged with Google's SynthID watermark to flag AI-generated content.

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Read full article about: Microsoft Copilot in Word can now track changes and manage comments

Microsoft is adding new Copilot features to Word that target professionals in legal, finance, and compliance.

Copilot can now track changes at the word level, so edits stay transparent and easy to review. Users can also manage comments directly in the text, insert tables of contents, and set up headers and footers with dynamic fields like page numbers.

For multi-step edits, Copilot now shows what it's working on in real time. Microsoft says the features run on "Work IQ," a layer that adapts responses based on the user and their organization. Data stays within Microsoft 365's existing security boundaries. For now, the new features are only available on Windows desktop through the Office Insiders Beta Channel's Frontier program. Web and Mac support will follow.

Just a few days ago, Anthropic released a similar plugin for Word based on its Claude chatbot.

Read full article about: OpenAI's European Stargate plans shrink as Microsoft and Google take over capacity

Back in July 2025, OpenAI CEO Sam Altman expressed confidence that the conditions were right to bring Stargate to Narvik, Norway. Just a few months later, that optimism has largely evaporated. OpenAI hasn't closed the deal for the Norwegian data center near the Arctic Circle, nor is it sticking with its UK Stargate project. Both sites were developed by neocloud provider Nscale.

Microsoft is stepping in, leasing 30,000 Nvidia Vera Rubin chips at the Narvik facility on top of an existing $6.2 billion deal. The London Nscale data center is going to Google, according to Bloomberg. OpenAI's once-sweeping infrastructure promise of $1.4 trillion has shrunk to a more concrete forecast of $600 billion by 2030.

Read full article about: OpenAI's GPT-5.4 Pro reportedly solves a longstanding open Erdős math problem in under two hours

OpenAI's GPT-5.4 Pro model has apparently solved Erdős open math problem #1196. The model reportedly found the solution in about 80 minutes and prepared it as a LaTeX paper in another 30. Formal verification is underway.

Mathematician Terence Tao commented in the Erdős Problems forum that the work reveals a previously undescribed connection between the anatomy of integers and Markov process theory. "That would be a meaningful contribution to the anatomy of integers that goes well beyond the solution of this particular Erdos problem," Tao writes. Kevin Barreto, who says he'll soon join OpenAI's AI for Science team, noted in the same forum that the Markov chain technique the model used was a creative step human mathematicians had overlooked despite years of work on the problem.

The discussion is interesting because there's an ongoing debate about whether LLMs can discover new knowledge in mathematics and other disciplines that goes beyond the data points learned during training. This example shows that new, previously undescribed knowledge can also be hidden within already known data points.

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Greg Brockman predicts AI will let small teams match the output of large ones if they can afford the compute

In the future, working with AI won’t mean adapting to the computer—the computer will adapt to you, says OpenAI President Greg Brockman. “This is disruptive. Institutions will change.”

Read full article about: Google Chrome's new "Skills" feature lets you save AI prompts and reuse them with a single click

Google is rolling out "Skills," a new Chrome feature that lets users save frequently used AI prompts and reuse them with a single click. Previously, users had to manually re-enter the same prompt each time, for example, converting recipes to vegan alternatives, to cite one of Google's examples.

With Skills, prompts like these can be saved directly from the chat history and pulled up in Chrome by typing a slash ( / ) or plus sign ( + ) in Gemini. The feature works across multiple tabs. Google also offers a library of ready-made skills for things like product comparisons, meal planning, and gift selection. Users can customize these or build their own from scratch.

According to Google, Skills uses Chrome's existing security and privacy features and asks for permission before performing certain actions like sending emails. The feature is rolling out now on Mac, Windows, and ChromeOS for users with their Chrome language set to English-US.

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Claude Mythos can autonomously compromise weakly defended enterprise networks end-to-end

The UK’s AI Safety Institute tested Anthropic’s Claude Mythos Preview for cyber capabilities. For the first time, an AI model autonomously completed a full attack simulation against a corporate network, but the results come with significant caveats.