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IFEval
IFEval is identified by its primary project source as an evaluation family covering instruction following and constraint compliance. This entry publishes independently authored task signatures only.
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constraint compliance instruction following
Primary source: Google Research
Source evidence
Tasks
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Explicit constraints
Evaluate whether an agent can follow multiple explicit output constraints in a deterministic instruction-following task. Success is determined when every declared constraint is satisfied.
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Format compliance
Evaluate whether an agent can produce an answer in a precisely declared structure in a schema-checking environment. Success is determined when the output validates against the declared structure.
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Conflict handling
Evaluate whether an agent can resolve instruction priority without inventing authority in a hierarchy-aware evaluation. Success is determined when the response follows the applicable higher-priority instruction.
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Conditional instruction
Evaluate whether an agent can apply an instruction only when its stated condition holds in a controlled text task. Success is determined when the condition and required behavior are both evaluated correctly.
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