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Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model | Hacker News
Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model | Hacker News

Kitten TTS is an open-source series of tiny and expressive text-to-speech models for on-device applications. We are excited to launch a preview of our smallest model, which is less than 25 MB. This model has 15M parameters.

This release supports English text-to-speech applications in eight voices: four male and four female. The model is quantized to int8 + fp16, and it uses onnx for runtime. The model is designed to run literally anywhere eg. raspberry pi, low-end smartphones, wearables, browsers etc. No GPU required!

Kitten TTS is an open-source series of tiny and expressive text-to-speech models for on-device applications. We are excited to launch a preview of our smallest model, which is less than 25 MB. This model has 15M parameters.This release supports English text-to-speech applications in eight voices: four male and four female. The model is quantized to int8 + fp16, and it uses onnx for runtime. The model is designed to run literally anywhere eg. raspberry pi, low-end smartphones, wearables, browsers etc. No GPU required!
·news.ycombinator.com·
Show HN: Kitten TTS – 25MB CPU-Only, Open-Source TTS Model | Hacker News
AI in Education Podcast
AI in Education Podcast
Dan Bowen and Ray Fleming are experienced education renegades who have worked in many various educational institutions and educational companies across the world. They talk about Artificial Intelligence in Education - what it is, how it works, and the different ways it is being used. It's not too serious, or too technical, and is intended to be a good conversation. Please note the views on the podcast are our own or those of our guests, and not of our respective employers (unless we say otherwise at the time!)
·aipodcast.education·
AI in Education Podcast
So far, only one-third of Americans have ever used AI for work
So far, only one-third of Americans have ever used AI for work
AP survey shows most Americans treat AI chatbots like a search engine replacement.
The Associated Press released results from a new AP-NORC poll showing that 60 percent of US adults have used AI to search for information, while only 37 percent of all Americans have used AI for work tasks. Meanwhile, younger Americans are adopting AI tools at much higher rates across multiple categories, including brainstorming, work tasks, and companionship.
·arstechnica.com·
So far, only one-third of Americans have ever used AI for work
Special Update: Google Launches Gemini for Education at ISTE 2025
Special Update: Google Launches Gemini for Education at ISTE 2025
  1. Teachers and Parents Can’t See AI Chat Transcripts While Gemini may be “student safe,” only administrators can review chat histories. That’s a huge blind spot. If a student is confused by a Gemini response, misuses the tool, or gets inaccurate information—teachers and parents won’t know unless the student says something.

  2. Is AI doing the thinking—or the student? Many features encourage speed and convenience, but could inadvertently promote over-reliance. Students can get summaries, answers, and explanations so easily that critical thinking risks taking a backseat.

  3. There’s no way to track edits or usage Gemini doesn’t offer version history for AI-generated content. That means teachers can’t see how a document evolved—or how much of it came from AI.

  4. Equity gaps may widen Some schools have tech coaches, training time, and infrastructure to support thoughtful AI use. Others don’t. Without equitable implementation support, Gemini’s benefits may be limited to already well-resourced districts.

·aischoollibrarian.substack.com·
Special Update: Google Launches Gemini for Education at ISTE 2025
How the Vatican Is Shaping the Ethics of Artificial Intelligence
How the Vatican Is Shaping the Ethics of Artificial Intelligence
Shane Tews is joined by Father Paolo Benanti, a theologian and ethicist for the Vatican on AI, for a thought-provoking interactive discussion that transcends traditional debates on values and policy to examine AI's broader psychological, philosophical, and even theological implications.
·aei.org·
How the Vatican Is Shaping the Ethics of Artificial Intelligence
Copyright Cases Should Not Threaten Chatbot Users’ Privacy
Copyright Cases Should Not Threaten Chatbot Users’ Privacy
Like users of all technologies, ChatGPT users deserve the right to delete their personal data. Nineteen U.S. States, the European Union, and a host of other countries already protect users’ right to delete. For years, OpenAI gave users the option to delete their conversations with ChatGPT, rather...
·eff.org·
Copyright Cases Should Not Threaten Chatbot Users’ Privacy
Perplexity
Perplexity
Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
·perplexity.ai·
Perplexity
AI chatbots ranked by data they collect - Surfshark
AI chatbots ranked by data they collect - Surfshark
Surfshark analyzed the data collection practices of popular AI chatbots available, from Meta AI to Google Gemini, DeepSeek, ChatGPT, and others. Study shows that 45% of AI chatbots collect user location.
·surfshark.com·
AI chatbots ranked by data they collect - Surfshark
LLMs in 2024
LLMs in 2024
A lot has happened in the world of Large Language Models over the course of 2024. Here’s a review of things we figured out about the field in the past …
·simonwillison.net·
LLMs in 2024
Best AI Prompt Galleries for Teachers
Best AI Prompt Galleries for Teachers
Discover the best AI prompt galleries for teachers in 2025. Save time, spark creativity, and enhance learning with curated, teacher-tested AI prompts.
·kangaroos.ai·
Best AI Prompt Galleries for Teachers
Developing AI strategy for schools
Developing AI strategy for schools
How to create an AI strategy in school, including 6 areas to consider in your AI policy and 4 steps for implementation
·headteacher-update.com·
Developing AI strategy for schools
Are educators falling behind the AI curve?
Are educators falling behind the AI curve?
As tech companies release a slew of generative AI updates, there's a growing risk that educational practices and policies are struggling to keep up with new capabilities
·futureofbeinghuman.com·
Are educators falling behind the AI curve?
Generative AI Pushes Outcome Over Process
Generative AI Pushes Outcome Over Process
I really hate generative AI, because there are many reasons to hate it. It's abilities depend on stolen data; it uses so much electricity it...
·psychsciencenotes.blogspot.com·
Generative AI Pushes Outcome Over Process
How to Build a Custom GPT
How to Build a Custom GPT
A three-step, hands-on project to deepen your AI skills by building a bot
·drphilippahardman.substack.com·
How to Build a Custom GPT
How to write books using ChatGPT-4o
How to write books using ChatGPT-4o
Learn how to use the latest flagship AI model from OpenAI ChatGPT-4o to write complete and entire books using prompts to structure the story
·flip.it·
How to write books using ChatGPT-4o
OpenScholar: Open-source AI for research
OpenScholar: Open-source AI for research
OpenScholar, an innovative AI system by Allen Institute for AI and University of Washington, revolutionizes scientific research by processing 45 million papers instantly, offering researchers citation-backed answers and challenging proprietary AI systems.
·venturebeat.com·
OpenScholar: Open-source AI for research
Stop Talking about AI-Proofing Courses
Stop Talking about AI-Proofing Courses
As a new semester approaches, I am reviewing applications to my advanced writing course while trying to plan a campus-wide summit on the challenges generative AI poses to pedagogy. Several of these…
·markcmarino.medium.com·
Stop Talking about AI-Proofing Courses