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The FinFIRST benchmark, co-authored by the Ling Team at Inclusion AI (Ant Group), Peking University, and China International Capital Corporation, has been published on arXiv as a companion to the Ling-3.0-flash-Fin model release. FinFIRST (Financial Information Retrieval, Sourcing and Traceability) comprises 123 expert In unified evaluation of 15 model configurations under a shared tool setting, Claude-Opus-5 achieved the highest atomic score (87.59%), while GPT-5.6-Sol was also evaluated (truncated in excerpt). The benchmark is notable for jointly evaluating answers and supporting evidence through atomic criteria, enabling fine-grai
