Your guide to understanding and using AI.
From first contact to responsible use: learn the vocabulary, try an assistant, verify its answers and choose the right tool for each task.

01 / Understand what AI is
Does a machine understand like a person?
Artificial intelligence covers techniques that recognize patterns and produce predictions, recommendations, decisions or content. A spam filter, forecasting system and image generator solve different problems. Generative AI is the part that creates new output such as text, images, audio and code.
An LLM is a language model trained to predict token sequences—units of text that may represent words, parts of words or symbols—from context. It powers many assistants, but a fluent sentence can still be wrong. Start by asking what task the system performs, what data it receives and how you will check the result.
Explore AI, LLM and more terms ↗02 / Look behind the chat
Are models, products and agents the same?
A model produces output; an assistant is the interface you use; tools can retrieve data or perform actions. An agent coordinates steps under goals and limits. Web search, memory and file access depend on the product and its permissions.
Think of RAG as bringing passages from documents to the table before answering. MCP is a standard that helps an AI application connect to tools and external systems. That connection still needs permissions and controls; neither guarantees a correct answer. Check the source and its interpretation.
Explore the glossary ↗03 / Run a useful first test
How do you ask for something testable?
Pick a small real task without sensitive data. Specify the goal, audience, allowed material and expected format. For example: “Summarize this text in five points for beginners; cite the supporting passage for each point and flag uncertainties.”
Then request a revision with specific criteria. Compare it with the original. Look for omissions and unsupported claims, and note how long corrections take. A clear prompt improves context; it does not replace verification.
Read about prompts and tokens ↗04 / Check before you trust
How do you spot limits and mistakes?
Assistants can invent references, use outdated information, omit exceptions and reflect bias. Check names, figures, dates, quotations and recommendations in primary sources. Important decisions need qualified human review.
Ask the system to separate facts, inferences and uncertainties. Test a question whose answer you know. When it cites a document, open the passage and check whether it supports the conclusion. A real citation can still be misread.
Understand model limitations ↗05 / Protect your data and time
What should you avoid sharing?
Avoid sending passwords, personal records, customer data, medical details or confidential material without authorization and a clear understanding of the service policy. Check retention, training settings, account controls and integration permissions.
Start with fictional or anonymized examples. If an agent can take action, restrict its tools and review results before confirming operations. Useful automation needs a clear way to stop and correct mistakes.
Read our privacy policy ↗06 / Choose among GPT, Claude and Gemini
Which is best for you?
There is no universal winner. Give all three products the same tasks, recording model, plan, language and enabled tools. Compare accuracy, clarity, correction time, ease of use, privacy and cost.
Run at least five representative tests, not just one question. Outcomes may change as features and versions evolve. Choose for your workflow rather than a generic ranking.
Compare the three ecosystems ↗07 / Follow what actually changed
How should you read AI news?
Separate a model launch from an app feature, integration or regional rollout. Read the date and original source. Check who can use it now, its limits and whether claims come from independent evaluation or the company itself.
On Noosigma AI, each story includes an original summary, context, caveats and a link to the source announcement. Use news as a starting point for further investigation, and return to the guide when a term is unfamiliar.
Read news with context ↗