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Claude

Free tier

Anthropic's safety-focused AI assistant — exceptional at long documents and nuanced reasoning.

Free tier available·All audiences·Powered by Anthropic·API available

Key strengths

Constitutional AI safety trainingMulti-modal capabilities (text, code, artifacts, design)Extended thinking for complex workLarge context window (up to 1M tokens)Web search integrationMemory across conversationsClaude Code for developersEnterprise-grade security and compliance options
Free tier + paid plans · from $17 USD/mo
San Francisco, US
Founded 2021

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Recent changes

  • Starting price: $20/mo → $17/mo
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Claude — Technical Documentation & Integration

API Access

Claude exposes a full API, allowing developers to integrate its capabilities directly into applications, pipelines, and services. This enables programmatic access to Claude's language, reasoning, and multi-modal features.

Context & Reasoning

  • Context window: Up to 1M tokens — suitable for large-codebase ingestion, lengthy document analysis, and retrieval-augmented generation (RAG) pipelines
  • Extended thinking: Activatable reasoning mode for tasks requiring deeper, multi-step inference

Developer Tooling

  • Claude Code: A dedicated layer for coding workflows, supporting code generation, review, and artifact creation

Integrations & Connectors

Claude connects to a broad ecosystem out of the box:

  • Productivity: Slack, Google Workspace, Microsoft 365, Microsoft Outlook, Chrome
  • Cloud platforms: AWS, Google Cloud, Microsoft Foundry
  • Protocol-level: MCP (remote connectors) for extensible, custom integrations

Memory & State

Persistent memory across conversations supports stateful use cases without requiring developers to manually re-inject context on every call.

Web Search

Built-in web search integration allows Claude to retrieve real-time information, reducing the need for custom retrieval pipelines for current-events queries.

Security & Compliance

Enterprise-grade security and compliance options are available, making Claude suitable for regulated industries and large organizational deployments.

Deployment Options

Available via Anthropic's own platform as well as through AWS and Google Cloud, with Enterprise plans offering custom configurations.

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