Claude 4

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Anthropic's fourth-generation model family representing the latest frontier of Claude capabilities. Claude 4 builds on the foundation of Claude 3 with enhanced reasoning, improved instruction following, and extended context handling. Continues the Haiku/Sonnet/Opus tier structure.

Implements

Concepts this tool claims to implement:

  • Next-generation language model with improved reasoning, coding, and instruction following capabilities.

  • Enhanced vision capabilities building on Claude 3's multimodal foundation.

  • Anthropic Messages API with extended tool use and agentic capabilities.

  • Reasoning primary

    Extended thinking mode for complex problem solving, similar to o1-style reasoning approaches.

Integration Surfaces

  • REST API
  • Python SDK
  • TypeScript SDK

Details

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

Notes

Claude 4 represents Anthropic's continued push toward more capable and safer AI systems. The model family emphasizes both raw capability and alignment with human values.