Claude

Claude is the AI assistant built by Anthropic, an AI safety company founded by former OpenAI researchers. It is known for clear, careful writing, strong reasoning, and handling long inputs — entire codebases, contracts, or research papers pasted into a single conversation. Its current models span the Opus tier (the most capable, for hard reasoning and long agentic work), the Sonnet tier (a balance of speed and intelligence), and Haiku (the fastest and cheapest).

The main comparison is with OpenAI’s ChatGPT and Google’s Gemini. Claude tends to win on long-document work and produces coding output that many developers prefer, and it powers Claude Code, Anthropic’s terminal coding agent. ChatGPT has a broader ecosystem — a large app/plugin store and native image generation — which Claude lacks. Gemini leans on tight Google Workspace integration. Where Claude stands out is Projects (persistent knowledge and instructions across chats) and Artifacts (code, documents, and small apps rendered live beside the conversation).

Key Features

• Large context window on paid plans (up to ~1M tokens on the Opus/Sonnet tiers)
• Strong performance on coding, refactoring, and code review
• Projects — persistent files and custom instructions across conversations
• Artifacts — generate and preview code, documents, and mini-apps inline
• Web search and file/PDF analysis
• Claude Code CLI and a developer API for building on the models

Pricing

• Free: Access to a capable default model with daily message limits
• Pro (~$20/month): Higher limits, access to more capable models, Projects, and more usage of Claude Code
• Max (~$100 or $200/month): Much higher usage ceilings for heavy users
• Team (~$25-$30/user/month): Shared workspace, central billing, and admin controls
• Enterprise: SSO, expanded context, and compliance features

Best For

Writers, developers, researchers, and analysts who work with long or sensitive documents and want thorough, well-reasoned output. It is a strong pick for coding and for anyone who prefers Claude’s careful, less-hyped writing voice.

Limitations

Claude has no built-in image generation and a smaller third-party ecosystem than ChatGPT, so workflows that depend on plugins or generated images may fit OpenAI better. The free tier’s daily limits are noticeable during heavy use, and the most capable models sit behind paid plans.