Offloop says its 4-person multi-agent harness beat Claude Code and Codex on GDPval

rohanpaul_ai · x · 2026-07-24

The post argues that the real capability layer is shifting from the model to the harness around it.
Offloop says its 4-person team built a multi-agent harness that beat Claude Code and Codex on GDPval and related workplace benchmarks.
Reported numbers:
GDPval: 84.9 at $1.65/task
Claude Code (Opus 4.8): 82.4 at $14.38/task
Codex (GPT 5.6 Sol): 83.3 at $5.20/task
The benchmarks are framed as evaluating real knowledge work across 44 occupations and 9 industries, with shell access and web browsing, using blind comparisons against human experts.
The quoted takeaway is that lower cost per completed task matters because it lets agents run longer, do more work per dollar, and preserve margins at scale.

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