• Effort parameter (beta, API): Opus 4.5 medium > Sonnet 4.5 quality, 76% fewer tokens
• Tool Search (beta): ~77K → ~8.7K context tokens
• Programmatic Tool Calling (beta): process data outside context
• 1.5x more prompt injection resistant
• Pricing: $5/$25 per MTok (3x cheaper)
• Effort parameter (beta, API): Opus 4.5 medium > Sonnet 4.5 quality, 76% fewer tokens
• Tool Search (beta): ~77K → ~8.7K context tokens
• Programmatic Tool Calling (beta): process data outside context
• 1.5x more prompt injection resistant
• Pricing: $5/$25 per MTok (3x cheaper)