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2026-09-22

digitalapplied.com

large-language-models

Is Claude Fable 5.1 Still Worth It for Agentic Coding?

Anthropic's Claude Opus 5.5, released September 22, 2026, outperforms Claude Fable 5.1 on all four coding and computer-use rows in Anthropic's own comparison while costing 40% as much per input and ou…

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Anthropic 1 Claude Opus 5.5 1 Claude Fable 5.1 1 Artificial Analysis 1 Terminal-Bench 4.0 1 CursorBench 4.0 1 OSWorld 2.0 1

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large language models 1 ai agents 1 ai products 1 ai tools 1