Head to head, rubric v2.3.0
Union is 2 points more agent-ready than 23bis (59/100 against 57/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
23bis 100%
Union 100%
Content legibility
23bis 77%
Union 81%
Discovery surface
23bis 25%
Union 30%
Identity & policy
23bis 25%
Union 0%
Agent-facing performance
23bis 63%
Union 100%
Agent protocols
23bis 0%
Union 0%
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