KlingAI releases LongBanana: 90-task benchmark for multi-reference image synthesis

_akhaliq · x · 2026-11-10

KlingAI Research released LongBanana, an expert-verified benchmark for long-context multi-reference image synthesis: 90 tasks, 32 references per case, 4,670 atomic evaluation items.

Per the paper figure, tasks ask models to render complex scenes (e.g. a boutique shelf) while honoring dozens of reference constraints ("structured black rectangular bag must exist", "authentic leather texture must not exist", etc.), scored 0–10 by an Agentic Rubric Scorer across Coverage, Relation, Appearance and Reasoning, with tool-assisted verification (OCR, counting, layout matching) — targeting current models' failures on many-reference, long-instruction generation.

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