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Anthropic Unveils Claude Opus 5.5

Anthropic launches Claude Opus 5.5, promising Fable-level performance at a lower price

Anthropic has released Claude Opus 5.5, a new AI model the company says performs at roughly the same level as its Claude Fable 5.1 model on most work, but at a significantly lower cost.

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Claude Opus 5.5 delivers Fable 5.1 performance – and costs 40% less

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Anthropic's new Claude Opus 5.5 packs more brains for fewer bucks

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Anthropic launches Claude Opus 5.5, says new AI model is 40% cheaper to run

Anthropic on Tuesday launched Claude Opus 5.5, a new AI model that it says delivers performance comparable to its top-tier Fable 5.1 while costing 40% less to run than its predecessor.

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Anthropic Releases a New ‘Safest’ A.I. Model Amid Slowdown Debate

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Anthropic unveils Claude Opus 5.5

Claude Opus 5.5 Cache 60% Cheaper, Device Security and Settings Check | amu_lab AI/DX News September 24, 2026 (Thu)

For IT staff managing AI tools in manufacturing and other workplaces, and for engineers running operations on limited local machines, here are three points to check this week. While the high-end Claude Opus 5.

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New Claude Opus 5.5 Outperforms ChatGPT 6 Astra in Reasoning

Claude Opus 5.5 reduces token costs by 40% while boosting speed up to 2.5x. Read our full test of Anthropic's new AI model for coding tasks.