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Claude 4 Sonnet

A balanced-hybrid reasoning model tuned for everyday assistant and high-volume tasks.

Model Details

Provider

Anthropic

Model Type

text

Context Window

1,000,000 tokens

Pricing

Input (1M)$3.00
Output (1M)$15.00

Capabilities

  • Hybrid reasoning: supports both fast (“near-instant”) and extended thinking modes.
  • Optimised for responsiveness, cost and high-volume production workloads.
  • Strong coding performance relative to prior Sonnet versions (improved over Sonnet 3.7).
  • Available even in free tiers (alongside paid plans).
  • Better suited for general-purpose use and agents where speed + cost-efficiency matter.

Build apps powered by Claude 4 Sonnet

Describe what you need and Appaca will create a fully working app using Claude 4 Sonnet — no API keys, no coding, free to start.

Get started free