Anthropic

platform active paid

An AI safety company offering the Claude family of LLMs. Known for research on AI alignment and Constitutional AI. Claude models are competitive with GPT-4 and excel at long-context tasks, coding, and nuanced reasoning.

Implements

Concepts this tool claims to implement:

  • Claude 3.5 Sonnet, Claude 3.5 Haiku, Claude 3 Opus. Strong performance on coding, analysis, and long-form tasks.

  • Tool Use primary

    Native tool use in Messages API. Tool definitions, tool_choice parameter, and tool result handling.

  • Claude 3 family supports image input. Vision capabilities for document analysis and image understanding.

  • 200K token context window—among the largest available. Prompt caching for efficient long-context use.

  • Alignment secondary

    Constitutional AI approach to alignment. RLHF with AI feedback. Known for safety-focused model development.

Integration Surfaces

  • REST API
  • Python SDK
  • TypeScript SDK
  • Claude.ai (consumer)
  • Amazon Bedrock

Details

Vendor
Anthropic
License
proprietary
Runs On
cloud
Used By
human, agent, system

Notes

Anthropic is the main challenger to OpenAI. Claude 3.5 Sonnet is often preferred for coding and complex reasoning. The 200K context window and prompt caching make it strong for document-heavy applications.