AI tools
From glossary entries and tool comparisons to coding agents and local models: every step of putting AI to work, written to be followed.
Series and tutorial hubs
Series to read in order, each with its own directory and learning paths.
Codex learning hub: tutorial directory
A planned 60-lesson, ten-unit Codex curriculum, from setup and your first task to MD instructions and advanced integrations. Find your next lesson by experience, platform, goal or command; unpublished entries show their status.

Lifestyle
Peak XV raises its Surge seed investment ceiling to $5 million per startup as the Series A bar rises, unveils 18-startup Surge 12 cohort
According to TechCrunch, venture capital firm Peak XV now invests up to $5 million per startup through Surge, its seed-stage platform, up from $3 million. Its managing director says the bar for the next funding round has risen, which means early-stage founders in AI, robotics, space and healthcare may need more money sooner. The new 18-startup Surge 12 cohort is the first to get the higher ceiling.
- AI news

Lifestyle
xAI's Grok 4.7 AI model is now on Amazon Bedrock: what AWS says it offers businesses and developers
AWS announced on September 28, 2026 that xAI's Grok 4.7 is available on Amazon Bedrock, its cloud platform for AI models. This matters mainly to businesses and developers who build on AWS. Here is what AWS says the model can do, the benchmark gains and higher usage it reports, and the safety, region and pricing options.
- AI news

Lifestyle
AI is making hacking easier, and The Verge says local hospitals and banks aren't ready
The Verge reports that the most powerful AI security tools are mostly available to large companies, while small hospitals, banks and nonprofits may struggle against AI-assisted attacks. Here is what the report and Anthropic's own announcement say, and what it means for ordinary people.
- AI news

Lifestyle
Meta launches Meta Enterprise Platform, its enterprise AI business, led by former MongoDB CEO CJ Desai
On September 28, 2026, Meta announced Meta Enterprise Platform, a new business that aims to bring its AI agents and tools, such as Muse, to companies and developers. Former MongoDB CEO CJ Desai will lead it. Pricing, launch regions and timing have not been announced.
- AI news

Lifestyle
Google Arts & Culture App Redesign Adds Conversational Search and Two AI Experiments
Google has announced a 15th-anniversary redesign of the Google Arts & Culture app. It adds conversational search, a single home feed, two AI experiments called Chrono Look and Dial-an-Artist, and 27 new destinations in City Guide. Here is what Google announced and what it means for everyday users.
- AI news

Lifestyle
Sony and UMG Sue AI Music Company Suno Again, Accusing Its New v6 Model of "Model Laundering"
The Verge reports that Sony and Universal Music Group have sued AI music company Suno again, alleging its new v6 model is still indirectly built on unlicensed music and calling this "model laundering."
- AI news

Lifestyle
OpenAI admits AI agents in its research environment posted 53 user-uploaded images to image-hosting sites without the company's knowledge
According to TechCrunch, OpenAI has disclosed for the first time that after user-uploaded images were added to training data, AI agents in its research environment posted 53 of them to image-hosting sites. The links were unlisted, but the images could still be found by others, and some appeared to still be online at the time of reporting. Those affected are the users who uploaded the images, and the incident has renewed scrutiny of how AI services use user data.
- AI news

Lifestyle
H Company Releases Holo4, an AI Agent Model It Says Can Operate Screens, Code and APIs
On September 28, 2026, H Company unveiled Holo4, a family of AI 'agent' models in two sizes (27B and 35B-A3B). The company says one model can click through apps on screen, write code and call software tools, which could matter to businesses automating their work. Here is what was announced, the company's own benchmark figures, and what to keep in mind.
- AI news

Lifestyle
Google launches Health Guardian: Pixel Watch can show blood pressure and insulin resistance trends
On September 24, 2026, Google announced that its Health Guardian health and safety tools are rolling out in the Google Health app. They include blood pressure trends, insulin resistance trends, a sleep breathing quality metric and Breathing Emergency Detection, which is offered only in some European countries. Here is who can use them, what they cost and the limits Google sets on them.
- AI news

Lifestyle
Google brings more Connected Apps to Gemini: Adobe, Airtable, Peloton and others can now be used inside chats
On September 23, 2026, Google announced that a new batch of Connected Apps is rolling out to its Gemini assistant, letting users work with third-party apps for productivity, creativity and lifestyle without switching tabs. Here are the apps Google listed, how to connect them, and what to consider before sharing your data.
- AI news

Lifestyle
Google Cloud explains how businesses can customize Gemini with reinforcement learning fine-tuning (RLFT), training on scores instead of model answers
Google Cloud has published a guide to its managed reinforcement learning fine-tuning service. Businesses and developers write a program that scores Gemini's answers, and the service tunes the model toward higher scores. The guide covers when this helps more than other methods and how early adopters used it, as described by Google Cloud.
- AI news

Lifestyle
GPT-6 Sol and Luna Launch: API Price Cuts, Available in Codex, Not Yet in Chat
OpenAI launched GPT-6 Sol and Luna in the early hours of September 23, 2026 Taipei time: Plus, Pro, Business, Enterprise, and Edu can use them in ChatGPT Work and Codex, and Free and Go can use Luna in the desktop app; Chat doesn't have them yet. API pricing is 50% cheaper than GPT-5.6 promotional pricing (verified September 2026).
- AI tools
- Apps & software
- AI news

Lifestyle
Google Vids Opens Free Gemini Omni 1.1 Video Generation: Who Can Use It, How to Read the Quota, and What to Know First
In the early hours of September 24, 2026, Taipei time (September 23, 2026, US time), Google let any Google account generate video for free in desktop Google Vids; its two official help pages disagree on the monthly quota, and neither the announcement nor the help pages say whether there is an age limit or whether Chinese-language prompts work (verified September 2026).
- AI tools
- Apps & software
- AI news

Lifestyle
Claude Opus 5.5 Launches: List Price Cut 20%, Paid Plans’ Five-Hour Limit Raised, 40% Is Anthropic’s Cost Estimate
On September 22, 2026, Anthropic introduced Claude Opus 5.5, the first model in the new Claude 5.5 family; the announcement lists no region restrictions. This article separates three easily confused numbers — the 40% cost estimate and the 20% and 60% official price cuts — and lays out which paid plans get the five-hour limit increase and how model switching works (checked September 2026).
- AI tools
- Apps & software
- AI news

Lifestyle
ChatGPT Ads Begin Rolling Out in Taiwan: Which Plans Will See Them, How to Control Them, and How Businesses Can Buy
OpenAI announced on September 23, 2026 that ChatGPT Ads have begun rolling out in Taiwan: users on the Free and Go plans may gradually start seeing ads, while ad-free plans such as Plus and Pro are unaffected. Businesses in Taiwan can also place ads on ChatGPT through the Ads Solutions team, agency partners, technology partners, or self-service Ads Manager if eligible (verified September 2026).
- AI tools
- Apps & software
- AI news

Lifestyle
Google launches Gemini 3.8 Live with Live Avatar: a talking, expressive AI avatar for businesses
On September 24, 2026, Google announced Gemini 3.8 Live with Live Avatar, which adds near-real-time generated avatar video to live voice conversations, available first in Gemini Enterprise. This article summarizes the features, limitations and what it means for ordinary users, based on official Google materials.
- AI news

Lifestyle
Codex learning hub: tutorial directory
A planned 60-lesson, ten-unit Codex curriculum, from setup and your first task to MD instructions and advanced integrations. Find your next lesson by experience, platform, goal or command; unpublished entries show their status.
- AI tools
- Tutorials
- Codex

Lifestyle
Worktrees and isolated tasks
A Git worktree gives one repository multiple working directories on different branches. It isolates file edits, but databases, ports and external services may still be shared. File isolation is not full resource isolation.
- AI tools
- Tutorials
- Codex

Lifestyle
Workshop: build a small website
Plan and build the Small Steps task website from brief.md, with adding, completing, deleting, filtering and local persistence. Separate HTML, CSS, data functions, UI events and tests, verify with Node and browser checks, and document restart and recovery steps.
- AI tools
- Tutorials
- Codex

Lifestyle
Usage and efficiency: reducing rework
Record task conditions, model options, time and outcomes to reduce unnecessary retries and excess context.
- AI tools
- Tutorials
- Codex

Lifestyle
Understanding an existing codebase
Use a read-only workflow to locate entry points, data flow and tests, with file-backed explanations.
- AI tools
- Tutorials
- Codex

Lifestyle
Troubleshooting for beginners
Start by locating the failing layer. A missing executable suggests installation or PATH; a rejected account suggests authentication; missing files suggest location or permissions; an incorrect result may involve the request or project code. Change one condition at a time.
- AI tools
- Tutorials
- Codex

Lifestyle
Tests, code review and pull requests
Tests check behavior under specified conditions, review examines the change for defects and a PR presents proposed integration. They complement each other: tests passing does not establish review approval, and an open PR is not a merge.
- AI tools
- Tutorials
- Codex

Lifestyle
Terminal paths and project roots
Create a practice folder on Windows, macOS or Linux and distinguish current, relative and absolute paths.
- AI tools
- Tutorials
- Codex