Claude

Claude is an AI assistant developed by Anthropic, designed for conversational reasoning, code generation, analysis, and integration with external tools and data.

It leverages agentic capabilities—such as tool use, file system interaction, code execution, and connector-based data access—to bridge the gap between text-based prompts and automated workflows. Claude can operate using structured APIs or built-in schemas to securely invoke actions via its tool infrastructure.

Recent model developments include Claude Opus 4.8, an upgraded flagship model for coding and knowledge work released in May 2026, and Claude Sonnet 5, introduced two weeks ago, which is the most agentic Sonnet model to date, significantly enhancing agentic coding performance.

• Agentic Tool Use via Structured Schema: Enables Claude to call user-defined or Anthropic-schema tools in structured exchanges, enabling actions like code execution, file editing, or web search, essential for bridging natural language with programmatic tasks. Strategic Value: Automates side-effect operations securely.
• Connectors via Model Context Protocol (MCP): Extends Claude’s reach to external systems and UI components via standardized MCP connectors. Strategic Value: Enables real-time external data access and interactive plugin UI.
• Research Tool (Beta): Performs multi-step web and internal context exploration with citations. Strategic Value: Produces verifiable, deep-answer outputs for knowledge work.
• Modular Model Family: Includes Opus 4.8 for enhanced coding/knowledge workflows and the new Sonnet 5 for superior agentic performance. Strategic Value: Allows users to pick models optimized for task type and complexity.
• Memory & Multi-Platform Access: Supports conversation memory and is accessible via web, desktop, mobile, with tools like file creation and execution. Strategic Value: Improves continuity and flexibility across workflows.

• Developers & Engineers: Ideal for writing, debugging, executing code, and integrating into development workflows via Claude Code and tool schemas.
• Knowledge Workers & Researchers: Benefit from the Research feature for systematic, citation-backed answers across internal and web data.
• Business Teams & Admins: Enterprise, Team, and Pro users gain from connectors, memory, and role-based control to streamline processes across Slack, Google Workspace, and organizational data sources.
• Power Users & Productivity-Focused Individuals: Access modular models, agentic features, and high usage tiers via Pro and Max subscriptions to support frequent, diverse tasks.

• Account Setup: User registers on claude.ai and selects a tier (Free, Pro, Max). Accessible via web, desktop, or mobile apps.
• Select Model or Feature: Choose between models like Sonnet 5 or Opus 4.8, or enable Research mode.
• Define Tool or Connector (Optional): For integrations, provide tool schemas or configure MCP connectors to external services.
• Interaction Loop: Claude emits structured tool calls when needed; user/client executes and returns results. For server-executed tools like web search, Anthropic runs the loop internally.
• Receive Output: Claude integrates tool results or generates responses in conversational output.
• Memory & Projects: Conversations and context are stored and organized into projects across platforms. Memory imports aid continuity.

Claude uses tiered subscriptions for individuals: a Free tier, a Pro tier (monthly or discounted annual), and a Max tier with higher usage (5× or 20× Pro). There are also Team and Enterprise seat-based plans with additional admin and compliance controls.

API usage is priced separately based on models and token usage, using a token-based usage model aligned with cache writes/reads. Pricing scales by model (e.g., Sonnet vs Opus).

Free tier serves as an entry point; Pro adds features like Claude Code, connectors, Research; Max boosts usage limits and priority access. API pricing follows per-million-token rates depending on model.