Artificial Analysis Launches Coding Agent Index v2.0, With Claude Opus 5.5 Leading

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Artificial Analysis launched Coding Agent Index v2.0 and reported that Claude Opus 5.5 running in Claude Code leads with a score of 61.7. The updated index replaces DeepSWE with Cognition’s FrontierCode v1.1 and revises grading for SWE-Atlas-QnA.

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Latest development10/23 08:17 (UTC+8)

Artificial Analysis launches Coding Agent Index v2.0 Artificial Analysis · X

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Claude Opus 5.5#1 overall$4 input / $20 output per million tokens

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10/23

08:17
Artificial Analysis · X
Artificial Analysis launches Coding Agent Index v2.0
Announcing Artificial Analysis Coding Agent Index v2.0: FrontierCode v1.1 from Cognition replaces DeepSWE, SWE-Atlas-QnA grading is revised, and Claude Opus 5.5 in Claude Code leads at 61.7 Today we are launching v2.0 of the Coding Agent Index. The Index evaluates models https://t.co/GhaXoMlFpK

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