Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
In / out price$5.00/$25.00per 1M tokens
Context
200K tokens
Parameters
Undisclosed
Modalities
→
Released
Nov 24, 2025
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