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Anthropic's Claude Opus 5.5 Tops Coding Benchmarks but Costs $13 per Task
Anthropic's newest flagship tops the Coding Agent Index at 66, but burns 37% more tokens per task than its predecessor to get there.

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Artificial Analysis
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AlphaSignal Newsroom
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Anthropic's newest flagship tops the Coding Agent Index at 66, but burns 37% more tokens per task than its predecessor to get there.
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