Claude Sonnet 4.5

Claude Sonnet 4.5

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. Stronger agentic capabilities, speculative parallel execution, efficient memory and tool orchestration.

ConversationReasoningCode GenerationAnalysisAgentic Tool Use
Provider
Anthropic
Release Date
2025-09-29
Size
LARGE

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