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2026-07-28agentsreasoningdatacode

Desktop-Delta Bench: Do Computer-Use Models Understand Desktop GUI Transitions?

Abhishek Pillai, Samir Kumar Nayak, Yuan Chen

PDF preview for Desktop-Delta Bench: Do Computer-Use Models Understand Desktop GUI Transitions?
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Key claim

DDB enhances agent evaluation by focusing on causal transitions.

In plain English

Imagine you're building an AI assistant that needs to navigate various applications on a computer, like managing emails, scheduling meetings, or pulling up documents. The challenge isn't just getting the right answer; it's about ensuring the assistant understands the context of its actions and can adapt when things go wrong. Current benchmarks often focus on final outcomes or isolated tasks, which can overlook real-world issues like losing track of context, misinterpreting actions, or failing to recover from errors. This is what's called state verification and context-aware control, and it's crucial for reliable performance in dynamic environments.

To address these shortcomings, the authors developed Desktop-Delta Bench (DDB), a new benchmark designed to evaluate agents on a step-by-step basis across various applications and tasks. DDB includes over 2,000 human-verified instances that test agents on their ability to reconstruct causal transitions and verify their actions in real-time. By focusing on both temporal ordering and action recognition, DDB provides a more nuanced view of an agent's capabilities, revealing gaps in current models. This benchmark not only highlights the importance of context in agent performance but also sets the stage for targeted improvements in how we build and evaluate desktop agents, making them more reliable and effective in real-world scenarios.

Novelty
8.0/10

Introduces a new benchmark that addresses critical gaps in agent evaluation.

Reliability
7.5/10

Evaluates multiple model families with a comprehensive dataset, though results show some limitations.

Deep reliability assessment

The methodology supports diagnosing step-level understanding of GUI transitions, but it may not fully capture long-horizon context accumulation or transferability to non-Linux environments.

Reproducibility

yes, the paper commits to releasing all task samples, evaluators, configuration, associated artifacts and VLM traces upon publication.

Key figure

The paper does not provide a specific description of Figure 1 or a key architectural diagram.

Benchmark results

~Desktop-Delta Benchexact-match rate: 65.1vs not specifiednot specified
~Desktop-Delta Benchexact-match rate: 65.7vs not specifiednot specified
~Desktop-Delta BenchF1 score for click: 0.96vs not specifiednot specified
~Desktop-Delta BenchF1 score for drag: 0.76vs not specifiednot specified
GitHub1 repo
abhipi/DDBOfficial