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Choose free ChatGPT, Claude or Gemini by task. Compare coding tools, API trials and local AI, with verified limits, costs and privacy conditions. Updated October 9, 2026.

Claude has three main tiers: Opus 5.5, the model Anthropic points to as the place to start when you're unsure (as of October 2026); the balanced Sonnet 5.5; and the fast, low-cost Haiku 5.5. Above them sits the top-tier Fable 5.1. On the API, Opus 5.5 output costs $20/MTok, cheaper than the previous starting point, Opus 5 ($25), versus $10 for Sonnet 5.5 and $0.50 for Haiku 5.5, released October 7 (for prompts up to 100K tokens), one-tenth of Haiku 4.5. This guide uses official benchmarks and cost estimates by use case to help you find the right model.

LLMO (Large Language Model Optimization) means preparing your site so that ChatGPT, Claude, Perplexity and Gemini read your pages and show them as sources when they answer. AI uses pages through two routes, training and search at answer time, and each company splits them into separate robots. We cover the official roles of the OpenAI, Anthropic, Perplexity and Google crawlers and what happens if you block them, the writing that worked in the GEO paper, and a measurement from this site's own access logs.

OpenClaw is the fastest-growing GitHub project of 2026 — an open-source AI assistant that connects to WhatsApp, Slack, Discord and 50+ platforms. But what exactly can it do, and what are the risks? From architecture to security concerns, here's everything you need to know.

You've enabled --dangerously-skip-permissions, yet Claude keeps asking for confirmation in the chat. This isn't a bug — Claude Code has two independent permission layers, and bypass only controls one of them. Here's what's actually happening.

Ever been surprised how quickly Claude Code burns through tokens? This article explains why token use is so high, shares 10 practical saving techniques, and covers what happens at the limit: Pro and Max have a 5-hour window and a weekly limit, and extra charges apply only if you turn on usage credits, which bill overage at API rates.

Asked Claude Code or ChatGPT to build an app but got something completely different from what you imagined? The problem is in how you write your prompts. This article covers 5 practical tips for writing prompts that get accurate code from AI, complete with bad vs good examples.

When you ask Claude Code or ChatGPT about setting up a development environment, there's a good chance they'll suggest Docker. But what exactly is Docker? Do you really need it? This article explains why AI recommends Docker, provides a decision flowchart to determine if you need it right now, covers the essential concepts, and shows you alternatives so you can start coding without Docker.

Claude Code has a "bypass permission mode" that executes almost all operations without confirmation. While it's useful for CI/CD pipelines and containerized environments, misuse can lead to prompt injection attacks, data leaks, and irreversible damage. This guide covers the 6 permission modes, specific risks, and how to use bypass mode safely.

"You can build apps without coding thanks to generative AI" — but is that really true? In 2026, generative AI coding tools have come a long way, but can a complete beginner really finish an app with generative AI alone? This guide honestly covers what you can build, what you can't, and where beginners stumble.

An AI agent chooses steps toward a goal, uses permitted tools, and checks results as it works. This guide explains how agents differ from answer-focused chat, their capabilities and limits, and how to choose a service. Completion and correctness are not guaranteed.

"LLM" is everywhere, but what does it actually mean? Large Language Models are the engine behind ChatGPT, Claude, and Gemini. This guide breaks down how they work, compares the major models, and covers real-world use cases and key limitations.