发布于 2026-08-16 · 赵予安
直接回答
Anthropic Claude Sonnet 4.5 标价为每百万 token 0.434 / 2.170，上下文 1,000,000。该精确 ID 的 CacheSafety 未公布。 这篇指南面向正在比较模型质量、成本、路由策略和生产上线风险的产品与平台团队。
What is listed
Anthropic lists Claude Sonnet 4.5 in the NextModel gateway catalog as anthropic/claude-sonnet-4.5 with a 1,000,000-token context window. The public slug is anthropic--claude-sonnet-4.5. The display name is "Anthropic: Claude Sonnet 4.5". The provider is Anthropic. The catalog snapshot is dated 2026-08-16. The model has streaming, tool, JSON, vision, and long-context capabilities. Its listed use cases are vision, long-context, and agent workloads. Related catalog entries include Claude Sonnet 4.6, Claude Sonnet 5, and Claude Haiku 4.5.
Pricing and context
The listed input price is $0.434 per 1 million tokens. The listed output price is $2.170 per 1 million tokens. The listed context window is 1,000,000 tokens. The listed latency band is 1000 to 3000 ms. For comparison, related catalog entries have separate pricing: Claude Sonnet 4.6 is $0.434 in and $2.170 out, Claude Sonnet 5 is $0.289 in and $1.447 out, and Claude Haiku 4.5 is $0.145 in and $0.723 out.
Who this model is for
This model is for developers and teams using vision, long-context, and agent use cases. It is available through the NextModel gateway catalog. The model has tool and JSON capabilities for API workflows that need structured output and tool use. It also has streaming for API responses.
What is still unverified
The release date is unpublished in this catalog snapshot. Independent third-party quality scores are not in these notes. There is no first-party CacheSafety row for this exact model in the NextModel bench table. Safe Hit, Bad Hit, and trap rates are not listed, and no values should be inferred.