Benchmark Weekly
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ISSUE 01 · 2026 / W33

Benchmark & Dataset
Weekly Digest

DATE RANGE2026.08.10 — 2026.08.16
SELECTED IN THIS ISSUE09 PICKS
BENCHMARK / DATASET09 / 00
ISSUE INSIGHT

Agent evaluation is moving beyond short tasks and static QA toward discovery, tool use, professional workflows and long-horizon settings, with stronger emphasis on private holdouts, atomic rubrics and executable validation.

TOP 09 / W33

Issue 01 selections

Ranked by research value, evaluation innovation and practical transferability

04
BenchmarkAI Scientist / Research Agent★★★★☆

LigBench

Evaluates LLM-generated research ideas while addressing inconsistent judging criteria and cross-distribution instability.

AUTHOR
Chenrun Wang et al.
INSTITUTION
SJTU X-LANCE / Shanghai Innovation Institute
PUBLISHED
2026.08.13
SCALE / DESIGN

A unified automated framework plus PAIR-IQ pairwise idea judgments for training and validating ranking models.

EVALUATION / METRICS

Measures expert agreement, ranking accuracy and robustness using pairwise rather than absolute scoring.

WHY IT MATTERS

Idea evaluation is emerging as a distinct AI-scientist evaluation problem.

DESIGN TAKEAWAYS

Pairwise evaluation, human alignment, judge datasets, distribution robustness and ranking-based metrics.

05
BenchmarkVLM / Long-Horizon Multimodal★★★★☆

LongEarth-Bench

Long-horizon multimodal reasoning over Earth-observation sequences, including change localization, anomaly detection and prediction.

AUTHOR
Yupan Ding et al.
INSTITUTION
Wuhan University / Xidian University
PUBLISHED
2026.08.13
SCALE / DESIGN

About 120K QA pairs and 117K images; sequences average 15.14 frames and reach 30 frames, with 30K structured traces.

EVALUATION / METRICS

Twelve task families evaluate temporal understanding plus key-frame and spatial-region grounding.

WHY IT MATTERS

Structures evaluation around the full sequence-to-grounded-reasoning process.

DESIGN TAKEAWAYS

Long sequences, key-frame localization, region grounding, structured traces and multi-stage spatiotemporal reasoning.

06
BenchmarkMultimodal Agent / Business★★★★☆

MBA-Bench

An end-to-end benchmark linking visual understanding, market evidence retrieval and business-idea generation.

AUTHOR
Hojun Choi et al.
INSTITUTION
KAIST AI
PUBLISHED
2026.08.12
SCALE / DESIGN

30K samples across six domains, combining images, business questions, retrieval queries and market evidence.

EVALUATION / METRICS

MLLM judges score six business criteria under blind-rubric and known-rubric settings, including creativity and feasibility.

KEY RESULT

MBA-b / MBA-k improve 63.9% / 77.1% over caption baselines and 25.6% / 35.8% over multimodal baselines.

WHY IT MATTERS

Tests a complete multimodal retrieval-to-generation agent pipeline.

DESIGN TAKEAWAYS

Blind vs known rubrics, multimodal evidence retrieval, multidimensional judging, creativity and feasibility.

07
BenchmarkCoding Agent / Eval Infra★★★★☆

Studies how serialization, wrappers, parsers and shell execution paths alter coding-agent benchmark scores.

AUTHOR
Shangao Li et al.
INSTITUTION
Stony Brook University et al.
PUBLISHED
2026.08.13
SCALE / DESIGN

56 one-shot tasks derived from 14 incident classes with controlled execution-transport experiments.

EVALUATION / METRICS

Exact final-state validation replays identical model outputs across raw and parser-mediated paths.

KEY RESULT

Adding a parser can reduce success rates by 55.4–73.2 percentage points.

WHY IT MATTERS

Shows benchmark score is not automatically equivalent to model capability.

DESIGN TAKEAWAYS

Generation contracts, execution paths, replay evaluation, final-state validators and harness documentation.

08
BenchmarkCoding Agent / Refactoring★★★★★

A multilingual refactoring benchmark for long-horizon, cross-file changes in large repositories while preserving behavior.

AUTHOR
Yuling Shi et al.
INSTITUTION
SJTU et al. (7 institutions)
PUBLISHED
2026.08.10
SCALE / DESIGN

170 real tasks across seven languages; 11.4 files and 261.6 changed lines per task on average.

EVALUATION / METRICS

Expert-audited test suites remove overly narrow or broad tests and filter low-complexity tasks.

KEY RESULT

The best model reaches about 41.2% resolve rate.

WHY IT MATTERS

Moves coding-agent evaluation toward multilingual, cross-file repository engineering.

DESIGN TAKEAWAYS

Expert curation, test-quality audits, contamination resistance, complexity filtering and cross-file refactoring.

09
BenchmarkLife Agent / Long-Horizon★★★★★

VibeLifeBench

Evaluates whether life-assistant agents remain proactive, persistent and plan-consistent over several weeks of changing conditions.

AUTHOR
Xiaohongshu Dots Studio et al.
INSTITUTION
Xiaohongshu
PUBLISHED
2026.08.11
SCALE / DESIGN

200 long-horizon tasks across ten life domains with 22 mock services, an autonomous clock and silent changes.

EVALUATION / METRICS

Weighted checks inspect the agent's final state, action timeliness and implicit-constraint compliance.

WHY IT MATTERS

Directly evaluates persistent, proactive and long-running agents.

DESIGN TAKEAWAYS

Autonomous clocks, silent environment changes, implicit constraints, timeliness and state-based grading.