Claude AI: What It Is, What It Does & Who It’s For (2026)

Update (9 Nov 2026): Claude Fable 5.2 and Mythos 5.2 are out - prices, access and benchmarks are in my Claude Fable 5.2 guide.

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Claude is Anthropic’s assistant for writing, research, documents and coding. I would start with the free plan and move to Pro when its limits interrupt actual work. As checked on 9 November 2026, the US list price is $20 a month, or $200 paid annually; the pricing page rounds the annual equivalent to $17 a month. Taxes may be added.

Start with a document and a clear output

Open the official Claude website or app, then give it one bounded job: extract the dates from a document, turn notes into a draft, or explain a piece of code. State what it may change and what it must preserve. For document work, ask for the passage supporting each important claim and check it against the original.

I keep the source document separate from the draft. A polished answer can still omit a qualification or invent a connection between two paragraphs. If a fact is missing, the instruction should be to mark the gap rather than fill it in.

The plan and the model are different choices

The current individual pricing page lists Free, Pro, Max and Ultra. Max is $100 a month and Ultra $200, before applicable tax. These are subscription prices, not API token rates. Pro includes Claude Code and Projects. Fable on Pro uses paid usage credits; access to a name in the model picker does not mean unlimited use is included.

Model choice matters for a particular job, but I would not call one assistant the best writer from a pricing page. Try the same material with your existing tool and compare factual fidelity, corrections and time spent editing. The smallest plan that reliably covers your workload is a more useful target than the largest model name.

Projects, coding and connected tools

Projects help keep recurring materials and instructions together. Claude Code is the coding agent: give it a repository, a concrete task and the checks that define success. The commands it can execute depend on the environment and permission settings. Read the diff and run the relevant checks before accepting a change.

Connected tools expand what an assistant can reach. Their permissions deserve the same attention as the model choice: access to a document store or account changes what information is available to the task. Avoid supplying credentials in ordinary prompts.

Questions about Claude

What is the official place to use Claude?

Use Anthropic’s Claude website and the apps linked from it. A website that sells access under a similar name may be a separate service with its own billing and data handling.

Can I start for free?

Yes. The Free plan includes limited usage. Anthropic describes usage windows and weekly limits rather than promising the same fixed number of messages for every conversation.

Does Pro pay for every API request?

Do not assume that it does. Subscription features and the Claude Platform have separate billing rules; check which account and payment method a client uses before running it.

Related guides: Anthropic and Claude · How MCP connects tools · Codex and Claude Code

Sources checked on 9 November 2026

• https://claude.com/pricing
• https://platform.claude.com/docs/en/build-with-claude/effort

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