GitHub's Copilot Fusion matches Opus 5.5-level coding at half the cost
kimmonismus · x · 2026-10-29
kimmonismus highlights GitHub Copilot Fusion as the day's most interesting reveal: it scores 60 on the Artificial Analysis Coding Agent Index, roughly matching Claude Opus 5.5 (62) at about 50% less cost per task. The chart also shows hybrid-router offerings like Devin Fusion CLI closing in on Claude Code's top score while cost-per-task spreads widely across providers.
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