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conformance · v157

v157 · decisions-api — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: … spec: https://github.com/explainers-by-googlers/decisions-api chromestatus: #5155080092385280 generated 2026-10-04T10:00:00Z by misc-builder
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id contract kind verdict detail
decisionmodel-interface-exposed window.DecisionModel exists as the Decisions API entry point (proposed IDL: [Exposed(Window AIDecisionModelAPI)]). Honest fail on every build without the developer-trial implementation. spec ↗ typeof …
availability-static-method DecisionModel.availability is a static method for side-effect-free readiness checks. spec ↗ script …
create-static-method DecisionModel.create is a static method that builds a session (download-gated on user activation). spec ↗ script …
decide-and-destroy-on-prototype Sessions expose decide() for single-pass evaluation and destroy() for explicit cleanup. spec ↗ script …
preference-attribute-on-prototype Sessions expose a read-only PerformancePreference attribute named preference (IDL in review, CL 8499040). spec ↗ script …
availability-returns-documented-state availability() with a minimal boolean-question schema resolves to one of the four documented Built-in AI availability states. spec ↗ script …