EnterpriseBench Corecraft: Training Generalizable Agents on High-Fidelity RL Environments

• URL: http://arxiv.org/abs/2602.16179v4
• Date: Mon, 23 Feb 2026 06:33:42 GMT
• Title: EnterpriseBench Corecraft: Training Generalizable Agents on High-Fidelity RL Environments
• Authors: Sushant Mehta, Logan Ritchie, Suhaas Garre, Ian Niebres, Nick Heiner, Edwin Chen,
• Abstract summary: We show that training AI agents on high-fidelity reinforcement learning environments produces capabilities that generalize beyond the training distribution.<n>We introduce CoreCraft, the first environment in EnterpriseBench, Surge AI's suite of agentic RL environments.
• Score: 0.10934862523101825
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We show that training AI agents on high-fidelity reinforcement learning environments produces capabilities that generalize beyond the training distribution. We introduce CoreCraft, the first environment in EnterpriseBench, Surge AI's suite of agentic RL environments. CoreCraft is a fully operational enterprise simulation of a customer support organization, comprising over 2,500 entities across 14 entity types with 23 unique tools, designed to measure whether AI agents can perform the multi-step, domain-specific work that real jobs demand. Frontier models such as GPT-5.2 and Claude Opus 4.6 solve fewer than 30% of tasks when all expert-authored rubric criteria must be satisfied. Using this environment, we train GLM 4.6 with Group Relative Policy Optimization (GRPO) and adaptive clipping. After a single epoch of training, the model improves from 25.37% to 36.76% task pass rate on held-out evaluation tasks. More importantly, these gains transfer to out-of-distribution benchmarks: +4.5% on BFCL Parallel, +7.4% on Tau2-Bench Retail, and +6.8% on Tool Decathlon (Pass@1). We believe three environment properties are consistent with the observed transfer: task-centric world building that optimizes for diverse, challenging tasks; expert-authored rubrics enabling reliable reward computation; and enterprise workflows that reflect realistic professional patterns. Our results suggest that environment quality, diversity, and realism are key factors enabling generalizable agent capabilities.

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