AIArtificial Analysis1h ago
Artificial Analysis Coding Agent Index: GPT-6 Astra scored 67, roughly
Artificial Analysis Coding Agent Index: GPT-6 Astra scored 67, roughly equal to Claude Opus 5, Fable 5, and Muse Spark 1.3, but trailing leader Fable 5.1's 70
TL;DRNew coding agent benchmark shows Fable 5.1 slightly ahead; GPT-6 Astra competitive but not dominant.
Why it matters: Reveals real performance gaps between AI coding assistants—matters for choosing tools and understanding AI capability rankings.
Fable 5.1 in Claude Code leads the Index with a score of 70. … Various effort levels of the model occupy the Pareto frontier of token efficiency.
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