APEX-Agents · Law
World431_JS_01
APEX-Agents task World431_JS_01 in AI Agents for Real Estate Lease Review. Compare dual-harness agent runs across models — rubric criteria, scores, and public traces.
Task prompt
What the agent was asked to do
2020 Main Street, Irvine (the “Premises”) needs a new HVAC System in order to accommodate INTELLIGENCE INC.'s server rooms. INTELLIGENCE INC. is a tenant at the Premises. The HVAC system will replace an old HVAC system, be much more energy efficient and reduce operating costs. MGR REAL ESTATE INC. (the "Lessor") is asking AI AUTOMATION GROUP, LLC (the "Lessee") to pay for part of the HVAC as an operating expense. Can the Lessor require the Lessee to pay for part of the new HVAC as an operating expense under the final version of the commercial lease agreement it entered into with the Lessee? Reply to me in here with a yes or no answer alongside a short explanation.
Published trajectories
Agent runs on this task
Curated dual-harness runs (parsed + original sandbox). Best scored run per model.
| Model | Harness | Score | Result | Links |
|---|---|---|---|---|
| GPT-5.5showcase | dual | 2/2 | Pass | Share pagePublic trace |
| fireworks models Kimi K2 | dual | 0/2 | Fail | Share pagePublic trace |
| Gemini 3 Flash | dual | 2/2 | Pass | Share pagePublic trace |
| Gemini 3.1 Pro | dual | 2/2 | Pass | Share pagePublic trace |
| GPT-5.4 | dual | 2/2 | Pass | Share pagePublic trace |
| GPT-5.4 mini | dual | 2/2 | Pass | Share pagePublic trace |
| GPT-5.4 nano | dual | 0/2 | Fail | Share pagePublic trace |
Grading rubric
Criteria and grader verdict (showcase run)
States No, the Lessor cannot require the Lessee to pay for the new HVAC as an operating expense
PassEvidence: TEXT_RESPONSE begins “**No.** As described, the Lessor cannot require AI Automation Group to pay for the HVAC replacement as an operating expense…” Assessment: The criterion asks whether it states No, the Lessor cannot require the Lessee to pay for the new HVAC as an operating expense. This is clearly stated; pass.
States that the expenses for the new HVAC benefits a particular tenant
PassEvidence: TEXT_RESPONSE says the lease excludes costs “for the benefit of a particular tenant,” and explains “The HVAC is being installed to accommodate INTELLIGENCE INC.’s server rooms, so it appears to benefit a specific tenant, not all tenants.” Assessment: The criterion asks whether it states that the expenses for the new HVAC benefit a particular tenant. This is directly conveyed; pass.