Come usare Claude AI: Funzionalità, configurazione e consigli professionali (2026)

Avvio rapido

Questa guida illustra tutte le funzionalità dell'IA di Claude:

• Iniziare — Create an account and access Claude in 3 minutes
• Come utilizzare la finestra di contesto estesa — Read long documents in one go without losing earlier context
• Come utilizzare la funzionalità di elaborazione di più file — Upload several files at once and compare them inside one chat
• Come utilizzare la scrittura creativa — Draft stories, scripts, and marketing copy in your own voice
• Come utilizzare la programmazione e il debug — Write, fix, and explain code across dozens of languages
• How to Use Multi-Lingual Support — Translate and write in more than a dozen languages
• Come utilizzare gli artefatti — See live-rendered code and documents next to the chat screen
• Come utilizzare i progetti — Keep files, instructions, and chats grouped for ongoing work
• Come utilizzare l'integrazione con la ricerca web — Pull current information into answers with linked sources

Tempo necessario: 5 minuti per ogni servizio

In questa guida troverete anche: Consigli professionali | Errori comuni | Risoluzione dei problemi | Prezzi | Alternative

Perché fidarsi di questa guida

I have used Claude daily for two years and tested every feature covered here.

This tutorial comes from real hands-on experience, not vendor screenshots.

Claude is one of the most capable generative AI assistants available today.

But most people only scratch the surface of what this AI chatbot can do.

This guide on how to use Claude AI shows you every major feature.

Passo dopo passo, con schermate e consigli da professionisti.

Tutorial sull'IA di Claude

This complete Claude AI tutorial walks you through every feature, from your first new conversation to power-user habits.

Claudio

Read 200,000 tokens in a single prompt and get answers with high accuracy. Claude writes code, summarizes long documents, and handles complex tasks other assistants fumble. Start free, no card needed.

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Getting Started with Claude

Prima di utilizzare qualsiasi funzionalità, completa questa configurazione iniziale.

Ci vogliono circa 3 minuti.

Watch my personal experience with Claude first:

Ora analizziamo passo passo ciascuna fase.

Passaggio 1: crea il tuo account

Go to claude.ai and click Sign Up.

Enter your email, or continue with a Google account.

✓ Punto di controllo: Controlla il tuo posta in arrivo for the login code.

Step 2: Open the Chat Screen

Claude runs in the browser, plus desktop and mobile apps.

Log in and the chat screen opens with an empty message box.

Here is what the free plan gives you:

✓ Punto di controllo: You should see the message box and a new chat button.

Passaggio 3: Imposta le tue preferenze

Add custom instructions so Claude matches your tone and format.

Turn on extended thinking if you want Claude to reason out loud.

How to Use Claude Extensive Context Window

Finestra di contesto estesa lets you read long documents in one go without losing earlier context.

Ecco come usarlo, passo dopo passo.

Passaggio 1: Avvia una nuova chat

Open Claude and click the new chat button.

A blank thread keeps your document separate from older work.

Accedi alla sezione Strumenti di intelligenza artificiale e fai clic su Convertitore da PDF a PPT.

Click the paperclip icon and pick a PDF, DOCX, or TXT file.

Ecco come si presenta:

✓ Punto di controllo: Your file name appears above the message box.

Passaggio 3: Poni la tua domanda

Type a specific question and press enter.

How to Use Claude Ability to Process Multiple Files

Capacità di elaborare più file lets you upload several files at once and compare them inside one chat.

Ecco come usarlo, passo dopo passo.

Step 1: Gather Your Files

Put every file you want compared in one folder.

Spreadsheets, slides, images, and PDFs all work.

Step 2: Upload Them Together

Drag all files into the message box at once.

Ecco come si presenta:

✓ Punto di controllo: Every file shows as a separate chip above your prompt.

Step 3: Ask for a Comparison

Ask Claude which file contradicts the others, and why.

Last month I asked Claude to reconcile three vendor invoices at once.

How to Use Claude Creative Writing

Scrittura creativa lets you draft stories, scripts, and marketing copy in your own voce.

Ecco come usarlo, passo dopo passo.

Step 1: Give Claude a Sample

Paste two paragraphs you already wrote.

Ask Claude to describe your voce before drafting anything.

Step 2: Brief the Draft

State the audience, the length, and the goal in one message.

Ecco come si presenta:

✓ Punto di controllo: The draft appears in the chat, ready to edit line by line.

Step 3: Refine With Retries

Use the retry button until the tone lands.

How to Use Claude Coding and Debugging

Codifica e debug lets you write, fix, and explain code across dozens of languages.

Ecco come usarlo, passo dopo passo.

Step 1: Paste Your Code

Drop the broken function plus the exact error message.

Context beats description every time.

Step 2: Ask for the Fix and the Reason

Request the corrected code and a short explanation.

Ecco come si presenta:

✓ Punto di controllo: Claude returns a code block with comments on what changed.

Step 3: Test and Iterate

Run the fix, then paste any new error back into the same chat.

How to Use Claude Multi-Lingual Support

Supporto multilingue lets you translate and write in more than a dozen languages.

Ecco come usarlo, passo dopo passo.

Step 1: Write in Any Language

Type your prompt in Spanish, Japanese, Bengali, or German.

Claude replies in the same language automatically.

Step 2: Set the Register

Ask for formal or casual phrasing before translating.

✓ Punto di controllo: The reply keeps your meaning instead of a word-for-word swap.

Step 3: Check the Nuance

Ask Claude to explain any word choice you doubt.

How to Use Claude Artifacts

Manufatti lets you see live-rendered code and documents next to the chat screen.

Ecco come usarlo, passo dopo passo.

Step 1: Ask for Something Buildable

Request a landing page, chart, or small app.

Artifacts trigger on code and long documents.

Step 2: Watch the Live Preview

The Artifacts UI opens beside your chat with a running preview.

Ecco come si presenta:

✓ Punto di controllo: A panel opens on the right showing your rendered output.

Step 3: Iterate in Place

Ask for changes and the same artifact updates instead of restarting.

Come utilizzare Claude Projects

Progetti lets you keep files, instructions, and chats grouped for ongoing work.

Ecco come usarlo, passo dopo passo.

Passaggio 1: Creare un progetto

Click Projects in the sidebar and name your workspace.

One project per client or product works best.

Step 2: Add Project Knowledge

Upload brand guides, specs, and past reports once.

Ecco come si presenta:

✓ Punto di controllo: The knowledge bar shows how much capacity your files use.

Step 3: Start Chats Inside It

Every new chat in that project already knows your files.

How to Use Claude Web Search Integration

Integrazione della ricerca web lets you pull current information into answers with linked sources.

Ecco come usarlo, passo dopo passo.

Passaggio 1: Abilita la ricerca web

Open settings and switch on web search.

It stays on for future chats.

Step 2: Ask a Current Question

Ask about pricing changes, news, or a release from this week.

Ecco come si presenta:

✓ Punto di controllo: Linked source cards appear directly under the response.

Step 3: Check the Sources

Click the citations under the answer to verify each claim.

Suggerimenti e scorciatoie di Claude AI Pro

After two years of daily use, these are the habits that saved me the most time.

Scorciatoie da tastiera

Here is the setup I use every day:

Funzionalità nascoste che la maggior parte delle persone non nota

• Extended thinking mode: on paid plans Claude reasons out loud, which lifts accuracy on complex tasks and sophisticated reasoning problems.
• Claude Code CLI: a terminal tool that lets Claude execute code, edit files, and run verification loops before moving on.
• Connectors: integrate Claude with Google Drive, Gmail, and Calendar so it reads and edits real files inside the chat.
• Skills and the Agent SDK: package repeatable AI skills, then build agents capable of orchestrating multi-step workflows on their own.

Errori comuni da evitare secondo l'IA di Claude

Mistake #1: Writing vague one-line prompts

Mistake #2: Stuffing one giant task into one message

Mistake #3: Starting a new chat for related work

Risoluzione dei problemi di Claude AI

Problem: You hit the message limit

Causa: Free accounts get limited messages per window. Long threads burn through them faster.

Aggiustare: Start a shorter chat, trim pasted text, or upgrade to Claude Pro for higher limits and priority access at peak hours.

Problem: A file will not upload

Causa: The file is too large, password protected, or in an unsupported format.

Aggiustare: Split the document, remove the password, or export to PDF. Scanned pages and imperfect images work, but clean scans read better.

Problem: The answer feels shallow or generic

Causa: The prompt lacked context, or the request suited a stronger model.

Aggiustare: Add examples and constraints, then retry. On paid plans, switch to Opus for graduate-level reasoning and handling intricate inquiries.

📌 Nota: If none of these fix your issue, contact Claude support through the help menu.

Cos'è Claude AI?

Claudio is an AI-powered chatbot from Anthropic, an AI research company founded by former OpenAI staff.

Think of it as a research assistant that reads a 300-page report faster than you can open it.

Anthropic trains every model with constitutional AI, a method that builds ethical rules into training instead of bolting them on later.

That focus on AI safety is why the Claude AI chatbot aims for honest, harmless, helpful advice.

Guarda questa breve panoramica:

Include le seguenti caratteristiche principali:

• Finestra di contesto estesa: read long documents in one go without losing earlier context
• Capacità di elaborare più file: upload several files at once and compare them inside one chat
• Scrittura creativa: draft stories, scripts, and marketing copy in your own voice
• Programmazione e debug: write, fix, and explain code across dozens of languages
• Supporto multilingue: translate and write in more than a dozen languages
• Manufatti: see live-rendered code and documents next to the chat screen
• Progetti: keep files, instructions, and chats grouped for ongoing work
• Integrazione con la ricerca web: pull current information into answers with linked sources

The Claude model family covers three tiers.

Haiku is the speed option and Sonnet is the capable model most people use.

Opus is the most powerful model, built for research and heavy analysis.

Claude 3.5 Sonnet arrived as the second AI model in that generation.

It beat Opus on a wide range of evaluations at one-fifth of the price.

Anthropic pitched it as better intelligence and speed in the same package.

It also handles context-sensitive customer support, excels at interpreting charts, and reads imperfect images like blurry receipts.

Benchmarks put Sonnet at undergraduate-level knowledge and Opus at graduate-level reasoning, so pick the tier that matches the job.

Developers can also reach Anthropic’s Claude through the API, Amazon Bedrock, and Google Cloud Vertex AI.

Per una recensione completa, consulta la nostra Claude review.

Prezzi AI di Claude

Here is what Claude costs in 2026:

Prova gratuita: Yes. The free plan runs a powerful AI model with usage caps, so you can access Claude before paying.

Garanzia di rimborso: No formal guarantee. Billing is monthly and you can cancel anytime.

Anthropic offers Team and Enterprise plans on top of these, and enterprise customers get custom pricing with higher context limits.

💰 Miglior rapporto qualità-prezzo: Pro — it unlocks Projects, extended thinking, and the strongest models for less than most rivals charge.

Claude AI contro le alternative

How does Claude compare against tools from other leading AI companies?

Scelte rapide:

• Il migliore in assoluto: Claude — strongest on long context, writing quality, and code
• Miglior budget: Deepseek — free access to strong reasoning models
• Ideale per principianti: ChatGPT — the widest app support and simplest onboarding
• Ideale per la ricerca: Perplexity — every answer ships with sources attached

🎯 Claude Alternatives

Looking for Claude alternatives? Here are the top options:

• 🚀 ChatGPT: the most popular AI chatbot, with voice chat and image generation Claude still lacks.
• 💰 Gemelli: deep Google integration for Docs, Gmail, and Sheets, with a generous free tier.
• 🎨 Perplessità: a search-first assistant that cites sources on every answer, ideal for fact-checking.
• ⚡ Grok: pulls live posts from X, useful for tracking sentiment and breaking news.
• 🔒 Copilota: sits inside Word, Excel, and Teams, so enterprise customers keep data in Microsoft.
• 🧠 Ricerca approfondita: open-weight AI models with strong math and code scores at zero cost.
• 👶 Mano: an agent that plans and runs tasks end to end instead of chatting.
• 🏢 Pokee: a lightweight agent for connecting relevant tools and automating small jobs.
• 🔧 Andi Ricerca: an ad-free answer engine for quick factual lookups.
• 🌟 You.com: multiple AI models behind one search box with custom modes.

Per l'elenco completo, consultare il nostro Alternative a Claude guida.

⚔️ Claude Compared

Here is how Claude stacks up against each competitor:

• Claude contro ChatGPT: Claude wins on long documents and writing tone. ChatGPT wins on images, voice, and app breadth.
• Claude contro i Gemelli: Gemini wins inside Google apps. Claude gives better drafts and more reliable code.
• Claude contro Perplessità: Perplexity wins on cited search. Claude wins once you need real analysis and writing.
• Claude contro Grok: Grok wins on live social data. Claude wins on reasoning depth, safety, and file handling.
• Claude contro il copilota: Copilot wins for Microsoft-locked teams. Claude wins on raw output quality per dollar.
• Claude contro Deepseek: Deepseek wins on price. Claude wins on context length, polish, and support.
• Claude contro Manus: Manus wins at running tasks alone. Claude wins for supervised, high accuracy work.
• Claude contro Pokee: Pokee wins on small automations. Claude wins on everything involving language and data.
• Claude contro Andi Cerca: Andi wins for fast lookups. Claude wins for anything longer than one paragraph.
• Claude contro You.com: You.com wins on model choice. Claude wins on consistency and answer quality.

Inizia subito a usare Claude AI

You learned how to use every major Claude feature:

• ✅ Ampia finestra di contesto
• ✅ Capacità di elaborare più file
• ✅ Scrittura creativa
• ✅ Codifica e debug
• ✅ Supporto multilingue
• ✅ Artefatti
• ✅ Progetti
• ✅ Integrazione con la ricerca web

Passo successivo: Scegli una funzionalità e provala subito.

Most people start with the Extensive Context Window.

Upload one long PDF and ask three questions about it.

Ci vogliono meno di 5 minuti.

Domande frequenti

Come posso accedere all'IA antropica di Claude?

Go to claude.ai, sign up with an email or Google account, and start chatting free. Desktop and mobile apps use the same login.

How can I use Claude?

Type a clear prompt in the chat box, attach files if needed, and refine the reply. Break big jobs into smaller steps.

Come utilizzare l'API di Claude AI?

Create an API key in the Anthropic console, then send prompts to the messages endpoint. Claude also runs on Amazon Bedrock and Google Cloud.

Claude è migliore di ChatGPT?

Claude leads on long documents, summarizing, and writing tone. ChatGPT leads on images, voice, and integrations. Pick by task, not brand.

Claude è gratuito?

Yes. The free plan includes daily message limits and file uploads. Pro costs $17 per person monthly for higher usage.