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Benchmark · Subjective enterprise work

LH-Bench

Real world is messy, and non verifiable. We present LH-Bench: expert skill based rubrics for evaluating agents on subjective tasks.

Evaluate your agent Paper

Figma to code, expert preferencen = 33 tasksEloReported
  1. 1GPT-5.2Codex · effort not reported1054
  2. 1Claude Opus 4.6Claude Code · effort not reported1039
  3. 3Gemini 3.1 ProGemini CLI · effort not reported907
3 agentsSource

Bradley-Terry Elo from 135 pairwise votes by a domain expert on the built pages, as the paper reports it (Table 10). 95% intervals.

Programmatic content, expert preferencen = 41 tasksEloReported
  1. 1Claude Opus 4.6Claude Code · effort not reported1173
  2. 2GPT-5.2Codex · effort not reported915
  3. 2Gemini 3.1 ProGemini CLI · effort not reported912
3 agentsSource

Bradley-Terry Elo fit to the 279 released pairwise expert votes on rendered chapters, a tie counted as half a win, centred on 1000; 95% bootstrap intervals over votes. The paper reports these votes as win rates.

Figma to coden = 33 tasksOutput scoreReported
  1. 1GPT-5.2 ProCodex · effort not reported4.27
  2. 2Claude Opus 4.6Claude Code · effort not reported4.19
  3. 3GPT-5.2Codex · effort not reported3.94
  4. 4Claude Opus 4.5Claude Code · effort not reported3.88
  5. 5Gemini 3.1 ProGemini CLI · effort not reported3.73
  6. 6Claude Sonnet 4.5Claude Code · effort not reported3.66
  7. 7Gemini 3 ProGemini CLI · effort not reported3.59
7 agentsSource

A visual judge scores the built page against the design, 1 to 5, on eight weighted rubrics. 95% bootstrap intervals over tasks where the run count allows.

Programmatic contentn = 41 tasksArtifact scoreReported
  1. 1Claude Opus 4.6Claude Code · effort not reported0.612
  2. 1Gemini 3.1 ProGemini CLI · effort not reported0.526
  3. 2GPT-5.2Codex · effort not reported0.478
3 agentsSource

A visual judge scores each rendered chapter against rubrics written by educators, normalised to 0 to 1. Course-level means over 41 courses and 183 chapters, 95% bootstrap intervals.

01The benchmark

Subjective enterprise work, scored three ways: expert rubrics on the process, curated artifacts on the output, pairwise human preference on the ranking.

  • Figma to code, 33 tasks. Real Figma designs built into React and Tailwind, scored by a visual judge against the design and by expert preference.
  • Programmatic content, 41 tasks. Courses from source documents rendered as video, scored on citation grounding, educator rubrics and expert preference.
  • Financial documents, 37 tasks. Business bank statements read into labelled transactions, scored on extraction and categorisation against risk analysts' labels.
  • Figma design, 10 tasks. Design work inside a headless Figma on one design system, checked for completeness and consistency.

02Data

Cite

@article{chandwani2026lhbench,
  title   = {LH-Bench: Skill-Grounded Evaluation of Long-Horizon Agents on Subjective Enterprise Tasks},
  author  = {Chandwani, Abhishek and Gupta, Ishan},
  journal = {arXiv preprint arXiv:2603.22744},
  year    = {2026}
}