Unverified50% confidenceFactExact time
Promptfoo's assertion types support both deterministic assertions such as string matching and JSON Schema validation, as well as the LLM-as-a-judge mode (using another LLM as a judge to evaluate output quality).
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/30/2026
First Seen
Valid until: 12/29/2026
Sources
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