Claude is the AI assistant developed and operated by Anthropic. Like other general-purpose assistants, it is built on large language models trained to hold conversations, answer questions, and generate text, code, and analysis on request. It is reached through Anthropic's own web app, desktop and mobile apps, and an API that other companies build on top of.
What Claude is
Claude is a conversational AI assistant: a chat interface backed by one of Anthropic's large language models, with added tools for uploading files, browsing the web, running code, and organizing ongoing work into named projects. A person can ask it to draft a document, explain a concept, debug a piece of software, summarize a long report, or hold an extended back-and-forth conversation, and it responds using the same underlying text-generation ability described in highlevel.ai’s explainer on large language models.
What distinguishes a product like Claude from the bare model underneath it is the surrounding application: memory of earlier turns in a conversation, the ability to read an attached file or image, a feature called Artifacts that lets Claude produce a standalone piece of code, a document, or a visualization the user can view and edit alongside the chat, and increasingly, tools that let Claude take multi-step actions rather than only answer in text.
Who makes it and when it launched
Claude is made by Anthropic, an AI company founded in 2021 by siblings Dario and Daniela Amodei along with several other researchers who had previously worked at OpenAI. Anthropic has positioned itself from the start around AI safety research, and it structures itself as a public benefit corporation, a legal form intended to weigh a stated public mission alongside shareholder returns.
Anthropic released the first version of Claude in March 2023, initially through a limited API available only to approved users rather than the general public. Claude 2, released in July 2023, was the first version generally available to anyone. Since then Anthropic has released successive generations under the Claude name, moving from the original single model to a family organized into tiers — a pattern it introduced with Claude 3 in March 2024 and has continued through later generations.
What it's good at
Claude has built a strong reputation in software development. Its coding-focused tools, including a dedicated command-line agent, are widely used by developers for writing, reviewing, and debugging code, and for more autonomous, multi-step engineering tasks. This has become one of the clearest ways Claude is differentiated from other assistants in the market.
Outside of code, Claude is generally regarded as a strong writer and editor, with a style that tends toward measured and precise rather than embellished. It handles long inputs well — lengthy contracts, research papers, or codebases can be pasted or uploaded and referenced throughout a conversation — and its context-handling is among the more generous of the mainstream assistants, well suited to working through long documents in a single pass rather than splitting them into pieces. Claude also reads images, not just text: charts, screenshots, and photographs can be uploaded for it to describe or analyze.
Where it falls short
Claude does not generate new photorealistic images from a text prompt. Anthropic has not built a diffusion-style image generator into the product, so while Claude can produce code-based visuals — charts, diagrams, and interactive mockups through Artifacts — it cannot create an original picture the way some competing assistants can natively. Anyone who needs that has to pair Claude with a separate image tool.
The free tier's usage limits are tighter than a casual user might expect, and heavy use of the paid Pro plan can also run into caps during busy periods, pushing frequent users toward the pricier Max tier. Claude's consumer product surface — voice features, mobile-specific extras, third-party plugin ecosystems — has historically been narrower than some competitors, since Anthropic has invested more visibly in coding and enterprise tooling than in consumer breadth. And like every large language model, Claude can still produce fluent but incorrect statements, has a training data cutoff, and depends on a connected web-search tool rather than constant live awareness of current events; its answers on fast-moving or highly specific topics are worth independently checking.
| Maker | Anthropic, a public benefit corporation founded in 2021 |
|---|---|
| Launched | March 2023 (limited API); general public access from Claude 2 in July 2023 |
| Access | Web app, desktop app, mobile app (iOS and Android), and a developer API |
| Model family | Claude models organized by tier — Haiku (fast), Sonnet (balanced default), Opus (most capable), and a newer top-tier Fable line; version numbers advance frequently |
| Multimodal | Reads text, images, PDFs, and common document and spreadsheet formats; does not natively generate photorealistic images, but can produce code-based charts, diagrams, and interactive Artifacts |
| Free tier | Available at no cost with capped, rolling usage limits and access to core chat features |
| Paid tier | Pro at roughly $20 a month (lower on an annual plan) for higher limits and features such as Claude Code; a heavier-usage Max tier, and Team and Enterprise plans for organizations |
| Context handling | One of the more generous context windows among mainstream assistants, well suited to long documents and codebases, though effective use of very long context varies by task |
| Best known for | Software development and agentic coding tools, long-document handling, measured writing style, and Anthropic's public emphasis on AI safety |
Frequently asked questions
What is Claude?
Claude is an AI assistant made by Anthropic. It is built on Anthropic's large language models and is available through a web app, desktop and mobile apps, and a developer API. People use it for writing, research, analysis, and software development, among other tasks.
Who makes Claude, and when did it launch?
Claude is made by Anthropic, an AI safety and research company founded in 2021 by former OpenAI researchers, including siblings Dario and Daniela Amodei. Anthropic released the first version of Claude in March 2023 through a limited API release, with Claude 2 opening access to the general public a few months later in July 2023.
Is Claude free to use?
Yes, Claude has a free tier with no cost, though usage is capped and resets on a rolling basis. Paid plans, starting with Pro at roughly $20 a month, remove most of those caps and add features such as Claude Code and higher usage limits.
Can Claude read images and documents?
Yes. Claude can read and analyze images, PDFs, and common document and spreadsheet formats as part of a conversation. What it does not do is generate new photorealistic images from a prompt; Anthropic has not built an image-generation model into Claude, though Claude can produce code-based visuals such as charts and diagrams.
What is Claude best known for?
Claude has a strong reputation for software development and agentic coding tools, for handling long documents well, and for careful, measured writing. Anthropic also markets Claude around AI safety, a focus that traces back to the company's founding.
How is Claude different from ChatGPT and Gemini?
All three are general-purpose AI assistants built on large language models, and their core capabilities overlap substantially. The differences show up in emphasis: Claude is generally positioned around coding, longer documents, and a more restrained writing style, ChatGPT around breadth of consumer features and plugins, and Gemini around integration with Google's own products and search. Anyone choosing between them is best served by trying each on their own real tasks.
More from highlevel.ai
See how Claude compares to the rest of the field in the AI chatbot comparison, covering ChatGPT, Claude, Gemini, Microsoft Copilot, Perplexity, Grok, and Meta AI. For the underlying technology, read what a large language model is, how AI works, and what AI agents are.