Guides & tutorials
Guides
In-depth, regularly-updated guides on AI tools, earning opportunities and getting the most from AI assistants.
- What Is an LLM?
A plain-English guide to large language models: what an LLM is, how LLMs work, how they are trained, what a token is, what inference means, how to read parameters and context windows, examples of LLMs, why they hallucinate, and how LLMs got here.
- What Is MCP?
A plain-English guide to MCP, the Model Context Protocol: what it is, how it works, what the latest specification changed, who supports it, how it differs from APIs and A2A, how to use it, and the documented security risks.
- What Is AGI?
A plain-English guide to artificial general intelligence: the competing definitions from OpenAI, Google DeepMind, Anthropic and academia, the benchmarks used to measure progress, who says AGI has arrived and who says it has not, the forecasts, and how to read an AGI claim.
- What Is Vibe Coding?
A plain-English 2026 guide to vibe coding: where the term came from, what it actually means now that Karpathy has renamed the professional version 'agentic engineering', the tools people use, and the documented security, maintainability and open-source costs.
- What Is C2PA? Content Credentials Explained (2026)
A plain-English 2026 guide to C2PA and Content Credentials: what a manifest actually contains, how hard and soft bindings work, where the standard has reached in 2026, how to check a file's credentials in under a minute, what the April 2026 security analysis found, what the Nikon certificate revocation showed about the trust model, and the honest limits of signed provenance.
- How to Tell If an Image Is AI-Generated in 2026: The Checks That Actually Work
A practical 2026 guide to checking whether an image is AI-generated: the three free provenance checks that give a real answer, the geometry tests that still beat the eye, why 'look at the hands' stopped working, what the 2026 security research says about Content Credentials, and the checks that prove nothing at all.
- Copyleaks AI Detector in 2026: How It Works, How Accurate It Is, and What It Misses
A plain-English 2026 guide to the Copyleaks AI Detector: what the 99% accuracy and 0.03% false-positive claims are measured on, why the published methodology documents a model Copyleaks has since replaced, what the largest peer-reviewed test found on long academic papers, how the three sensitivity levels change the score your marker sees, what AI Logic and AI Source Match actually do, what the terms of use disclaim, and why this detector fails by missing rather than by accusing.
- GPTZero in 2026: How It Works, How Accurate It Is, and What to Do If It Flags You
A plain-English 2026 guide to GPTZero: how its classifier scores a document, what changed in GPTZero 4o, what its 99% accuracy claim is measured on, what peer-reviewed testing found, what Writing Replay records, what it costs, and the pending Superhuman acquisition.
- ZeroGPT in 2026: How Accurate It Is, What It Gets Wrong, and Who Runs It
A plain-English 2026 guide to ZeroGPT: what the 98.4% accuracy claim is measured on, what peer-reviewed testing found instead, why ZeroGPT is not GPTZero and neither is zerogpt.net, what its own terms of use disclaim, who operates the site, why its image detector is licensed from TruthScan, and what the score should and should not be used for.
- Grammarly AI Detector in 2026: How It Works, How Accurate It Is, and What It Flags
A plain-English 2026 guide to the Grammarly AI detector: the free checker and the paid AI Detector agent, what Grammarly's 99% accuracy claim is measured on, what the RAID benchmark it cites contains, what Grammarly says the detector goes easier on, how Grammarly Authorship differs from detection, and Superhuman's planned acquisition of GPTZero.
- Turnitin AI Detection in 2026: How It Works, How Accurate It Is, What Students Should Know
A plain-English 2026 guide to Turnitin AI detection: how the AI writing indicator scores a document, what the 20% threshold and the asterisk actually mean, which models Turnitin says it can detect, what Turnitin's own accuracy claims cover, what peer-reviewed testing found instead, which universities have switched it off, and what to do if you are flagged.
- How AI Detectors Work in 2026 (And Why They Get It Wrong)
A plain-English 2026 guide to how AI detectors work: perplexity, burstiness, trained classifiers and watermark reading, what a percentage score actually measures, what the independent accuracy research finds, and the five structural reasons detectors flag human writing as AI.
- AI Glossary 2026: Every Term That Actually Matters, Explained
A plain-English AI glossary for 2026: more than 110 terms defined in one sentence each, then explained in context — from context window, mixture of experts and test-time compute to agentic AI, MCP, RAG, watermarking and the EU AI Act's compute thresholds. Every term links to the page that covers it in depth.
- What Is Agentic AI?
A plain-English 2026 guide to agentic AI: what it is, how the agent loop works, how it differs from generative AI and chatbots, real examples, the MCP and A2A protocols, use cases, and an honest look at the hype and risks.
- What Is AI Watermarking? How Token Watermarks Actually Work
A plain-English 2026 guide to AI watermarking: how statistical token watermarks work, what Claude's new global watermark and Google's SynthID actually detect, C2PA metadata, the EU AI Act rules behind it all, and the honest limits — what a watermark can and cannot prove.
- Prompt Engineer Salary in 2026: What the Market Actually Pays
What prompt engineers earn in 2026, with verified US, UK and Australia salary data by experience, employer, industry and location — and why the aggregators disagree.
- AI Side Hustles That Actually Pay in 2026
A straight-talking 2026 guide to AI side hustles: the nine that actually pay, realistic monthly income for each, startup cost and ramp, and the scams to avoid.
- Remote AI Jobs in 2026: Who's Hiring and What They Pay
A complete 2026 guide to remote AI jobs: the roles that hire remotely, realistic salaries by role, where to find them, who's hiring, and how to get one.
- Data Annotation Jobs in 2026: 12 Legit Platforms That Pay
A complete 2026 guide to data annotation jobs: what the work is, 12 legit platforms and vendors that hire, realistic pay by task type, and how to get hired remotely.
- AI Training Jobs in 2026: Legit Platforms, Pay Rates & How to Get Hired
A complete 2026 guide to AI training jobs: the job types, the recruitment platforms and expert marketplaces that hire, realistic pay, and how to get hired.
- Get Paid to Train AI: The Complete Guide to AI Training Jobs
How to get paid to train AI models in 2026. Platform comparisons, realistic pay rates, country eligibility, scam warnings and tax rules — updated July 2026 with the new expert marketplaces (Mercor, Alignerr).