Claude 4.5 (Opus / Sonnet / Haiku)
AI模型
编程
上一代
Anthropic's late-2025 frontier line — leading real-world coding benchmarks.
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The 4.5 generation arrived tier by tier through late 2025 — Sonnet 4.5 (September), Haiku 4.5 (October), Opus 4.5 (November) — with Anthropic positioning Sonnet 4.5 and then Opus 4.5 as the strongest models available for coding, agents and computer use, at sharply reduced prices. They power Claude Code and most serious agentic-coding stacks. Parameters undisclosed.
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来源
记录审阅截至 2026-08-31 — 查看 方法论.