SIGNALAI·May 26, 2026, 4:00 AMSignal75Medium term

Verified SHAP: Provable Bounds for Exact Shapley Values of Neural Networks

Source: arXiv cs.LG

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Verified SHAP: Provable Bounds for Exact Shapley Values of Neural Networks

arXiv:2605.24084v1 Announce Type: new Abstract: Shapley additive explanations (SHAP) are widely recognised as computationally intractable for neural networks, since they induce an exponential search space over the input features. In this work, we take a first step towards scaling exact SHAP computation to larger search spaces by introducing an algorithm that leverages recent advances in neural network verification to compute arbitrarily tight exact lower and upper bounds on SHAP values for neural networks, ultimately recovering the exact SHAP values. We demonstrate that our approach scales to

Why this matters
Why now

The increasing complexity and opacity of neural networks necessitate more robust explainability techniques, and advancements in neural network verification are converging to address this need.

Why it’s important

This breakthrough addresses a fundamental computational challenge in AI interpretability, making it possible to rigorously understand the decisions of complex models.

What changes

Exact and provable SHAP value computation for neural networks, previously considered intractable, becomes feasible for larger models, moving AI explainability from heuristic to verifiable.

Winners
  • · AI researchers
  • · AI developers
  • · High-stakes AI applications (e.g., finance, medicine)
  • · Regulatory bodies
Losers
  • · Black-box AI systems with limited explainability
  • · Heuristic explainability methods
Second-order effects
Direct

The ability to obtain exact SHAP values will lead to more trustworthy and debuggable AI systems.

Second

Increased trust and understanding could accelerate the adoption of AI in critical domains and influence regulatory frameworks for AI explainability.

Third

Verifiable interpretability might become a standard requirement for AI deployment, potentially shaping future AI architecture design towards explainability.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.LG
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