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Practical guides on AI, automation and building software

Plain-English guides for business owners and developers: what things cost, how they work, and what we have learned building them. 120 articles and counting.

46 articles in AI & Chatbots

AI & Chatbots

12 AI Tools Businesses Can Build With Gemini 4 Argon

Gemini 4 Argon reads PDFs, images, audio and video and returns text. Here are 12 business tools it can power, and when a cheaper model will do the job instead.

14 min read
AI & Chatbots

How Much Does It Cost to Build an AI Tool With Gemini 4?

A custom Gemini 4 tool has two costs: the build, from $1,500 to $10,000 for a chatbot or LLM integration, and running costs. Argon token prices double on 1 December 2026.

11 min read
Guide
AI & Chatbots

Jev AI for Trading: What TypeSafe's New Model Can and Cannot Do

Jev does not chat. It answers typed questions in a fraction of a second, with a probability attached. Here is what that means for trading, and where the limits are.

9 min read
AI & Chatbots

Jev Trading Bots on GitHub: 5 Open-Source Projects Explained

Within days of launch, developers had Jev watching order books on several exchanges. Here is what they built, and what their code teaches.

6 min read
Comparison
AI & Chatbots

Jev vs ChatGPT and Other LLMs for Trading: Which AI Does What?

Jev is not a smaller ChatGPT. It is a different kind of tool, and the best AI trading systems will use both.

6 min read
AI & Chatbots

Jev Confidence Scores Explained: How to Gate and Size AI Trades

Jev tells you what it thinks and how sure it is. In trading, the second number is often worth more than the first.

7 min read
AI & Chatbots

How to Build a Jev AI Trading Bot: Step-by-Step Guide With Code

Calling the Jev API takes ten lines. The design around it decides whether your Jev trading bot is a useful tool or an expensive way to lose money.

9 min read
AI & Chatbots

WhatsApp Chatbots for Business: How They Work, What They Cost, and the Rules

Your customers already live in WhatsApp. Here is what it takes to serve them there properly.

4 min read
Comparison
AI & Chatbots

Open-Weight LLMs vs API Models: Which Should Your Business Use?

Running your own model sounds cheaper and more private. Sometimes it is. Often it is neither.

5 min read
Guide
AI & Chatbots

How to Estimate and Cut Your LLM API Bill

Most AI bills are dominated by one thing nobody looked at. Here is how to find it and what to do about it.

7 min read
AI & Chatbots

AI Coding Assistants: What They Actually Change for a Development Team

They are good at some things and confidently wrong at others. Knowing which is the whole skill.

4 min read
AI & Chatbots

What Is MCP? The Model Context Protocol, Explained for Business

MCP is the USB-C of AI integrations. One standard instead of a custom connector for every tool.

5 min read