AEC-Bench - Detail Technical Review: leaderboard

Metric: Mean reward (0-100) from the task verifier on the 14 detail-technical-review instances (answering localized technical questions about construction details) built from real public-sector construction documents, one trial per instance, where the agent runs in its coding-agent harness (Codex for GPT, Claude Code for Claude) with Bash and command-line PDF tools; higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 4 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.260.7#105
2Claude Sonnet 4.653.6#85
3GPT-5.435.7#76
4Claude Opus 4.635.7#60

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=aec-bench-detail-technical-review · How It Works · Data refreshed daily, snapshot 2026-10-11.