「性价比王者」Claude Haiku 4.5来了，速度更快，成本仅为Sonnet 4的1/3

Core Viewpoint - Anthropic has launched a new lightweight model, Claude Haiku 4.5, which emphasizes being "cheaper and faster" while maintaining competitive performance with its predecessor, Claude Sonnet 4 [2][4]. Model Performance and Cost Efficiency - Claude Haiku 4.5 offers coding performance comparable to Claude Sonnet 4 but at a significantly lower cost: $1 per million input tokens and $5 per million output tokens, which is one-third of the cost of Claude Sonnet 4 [2][4]. - The inference speed of Claude Haiku 4.5 has more than doubled compared to Claude Sonnet 4 [2][4]. - In specific benchmarks, Claude Haiku 4.5 outperformed Claude Sonnet 4, achieving 50.7% on OSWorld and 96.3% on AIME 2025, compared to Sonnet 4's 42.2% and 70.5%, respectively [4][6]. User Experience and Feedback - Early users, such as Guy Gur-Ari from Augment Code, reported that Claude Haiku 4.5 achieved 90% of the performance of Sonnet 4.5, showcasing impressive speed and cost-effectiveness [7]. - Jeff Wang, CEO of Windsurf, noted that Haiku 4.5 blurs the traditional trade-off between quality, speed, and cost, representing a new direction for model development [10]. Safety and Consistency - Claude Haiku 4.5 has undergone extensive safety and consistency evaluations, showing a lower incidence of concerning behaviors compared to its predecessor, Claude Haiku 3.5, and improved consistency over Claude Sonnet 4.5 [14][15]. - It is considered Anthropic's "safest model to date" based on these assessments [15]. Market Position and Future Outlook - Anthropic has been active in the market, releasing three major AI models within two months, indicating a competitive strategy [16]. - The company aims for an annual revenue target of $9 billion by the end of the year, with more aggressive goals set for the following year, potentially reaching $20 billion to $26 billion [18].