Claude Opus 4
Claude Opus 4 is a high-performance large language model in Anthropic's Claude 4 series, representing the flagship tier of that lineup. It possesses strong natural language understanding and generation capabilities, excels at complex reasoning, long-form text processing, and multi-step task execution, and demonstrates notable performance in technical tasks such as code writing and front-end interface generation. It is designed for professional use cases requiring high levels of reasoning depth and task complexity.
Core Facts
Timeline (last 90 days)
Anthropic released Claude Opus 5, with significant improvements over Opus 4 in coding, visual understanding, and agent coordination.
All Facts (7)
The Claude Opus 4 series is Anthropic's flagship large language model series launched in 2025
90%UnverifiedClaude 4系列两款模型都支持100万token的超长上下文输入
95%UnverifiedClaude Opus 4和Sonnet 4都被定义为混合模型（Hybrid Models），将快速响应模式与深度推理模式整合在同一模型架构中
90%UnverifiedOpus 4在编程实测中能精准地删除和修改需要变更的代码部分，而不是从头重写
85%UnverifiedClaude Opus 4属于推理增强型模型，处理复杂任务时会启动扩展思维链（Extended Thinking），单次复杂推理的算力成本可达普通模型的20-50倍
70%UnverifiedClaude Opus 4这类顶级模型参数量可能超过数千亿
50%UnverifiedAnthropic released Claude Opus 5, with significant improvements over Opus 4 in coding, visual understanding, and agent coordination.
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