English(EN) Migrating from Haiku 4.5 to Claude Haiku 5.5: 6 breaking changes and when the price goes up 5x

Anthropic 发布 Claude Haiku 5.5，为开发者带来重大变更

作者 PulseAugur 编辑部 · [1 个来源] · 2026-10-26 04:10

Anthropic 发布了 Claude Haiku 5.5，引入了自适应思维和100万token的上下文窗口，但对于从Haiku 4.5迁移的开发者来说，存在显著的变更。关键的重大变更包括`budget_tokens`和`temperature`参数的弃用，要求开发者改用`output_config.effort`和基于提示的引导。此外，该模型现在对对话历史和工具使用执行更严格的规则，特定工具的名称在Amazon Bedrock和Google Cloud等平台之间有所不同。 AI

影响由于重大的API变更和参数弃用，开发者需要更新其集成。

排序理由前沿实验室模型发布，附带系统卡。[lever_c_demoted from frontier_release: ic=1 ai=1.0]

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AI 生成摘要 · Google Gemini · 来自 1 个来源。我们如何撰写摘要 →

Anthropic 发布 Claude Haiku 5.5，为开发者带来重大变更

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Signal score: 73 / 100; Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket: Significant; 前沿实验室模型发布，附带系统卡。[lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration: Single-source cluster; Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics: model release, product; Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance: High; Clearly on-topic for AI-industry coverage.
Story freshness: Breaking (< 6h); Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

完整方法见我们的编辑标准。

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dev.to — Anthropic tag TIER_1 English(EN) · Pesimmoq · 2026-10-26 04:10

从 Haiku 4.5 迁移到 Claude Haiku 5.5：6 项重大变更以及价格上涨 5 倍的时间

<p>Claude Haiku 5.5 (<code>claude-haiku-5-5</code>) was released on October 7, 2026. It is the first Haiku with adaptive thinking and effort, has a 1M-token context window and 128K output, and its API shape now matches Opus 5.5 / Sonnet 5.5. Pricing is $0.10 / $0.50, one tenth of…

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从 Haiku 4.5 迁移到 Claude Haiku 5.5：6 项重大变更以及价格上涨 5 倍的时间

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