LLM Financial Verification Benchmark: Deterministic 100%, Live LLM 29%
MuhammadMujtaba21 · reddit · 2026-08-21
A benchmark of a deterministic financial verification engine shows a stark contrast between structured input (66/66 pass rate) and live LLM-generated claims (19/66 pass rate using GPT-5.1). Failures occurred mainly in pipeline execution and claim binding, not in deterministic calculations or rule application. This suggests the verification architecture works, but the layer translating LLM output to formal systems needs improvement. The author plans to add granular diagnostics comparing raw output, normalized claims, and verifier input.
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