Anthropic launches Claude 4 models with Web Search and Code Execution

Anthropic rebranded their model lineup to Claude Opus 4, Sonnet 4, and Haiku 3.5, introduced Web Search ($10/1K searches) and Code Execution ($0.05/hr) features, added Service Tiers for availability management, and clarified prompt caching with 5-min

11/11/2025 → 11/18/2025

Verified Changes

  • 1
    featureIntroduced 'Service tiers' with Standard and Priority options for availability and performance management
  • 2
    featureAdded new 'Code execution' feature ($0.05 per hour per container after 50 free daily hours) for Python code in sandboxed environment
  • 3
    featureAdded new 'Web search' feature ($10 per 1,000 searches) allowing Claude access to latest web information

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