APEX-Agents · Law
World431_JS_05
APEX-Agents task World431_JS_05 in AI Agents for Privacy and GDPR Compliance. Compare dual-harness agent runs across models — rubric criteria, scores, and public traces.
Task prompt
What the agent was asked to do
MGR REAL ESTATE INC. (The "Lessor") has leased a portion of 2020 MAIN STREET, IRVINE, CA (The "Premises") to AI AUTOMATION GROUP, LLC (The "Lessee"). The lease started on December 5, 2025. The Lessee paid the full rent for the first 36 months of the lease but did not pay any rent on month 37. In month 37 the Lessee, with the Lessor's consent, made $100,000 worth of improvements to the Premise. The Lessee then resumed paying rent in month 38. In month 38 the Lessor filed a claim against the Lessee for breach of the lease agreement, for the unpaid rent in month 37. The Lessor is seeking immediate termination of the lease agreement. The Lessee filed an answer asserting that the Lessor waived its right to complain about the unpaid rent. The Lessor is arguing that there was no waiver under the anti-waiver provision in the Final Lease Agreement. Will the Lessee's waiver defense succeed? Give a yes or no answer here, with a short explanation for your answer.
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 | 0/2 | Fail | Share pagePublic trace |
| fireworks models Kimi K2 | dual | 1/2 | 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 | 1/2 | Fail | Share pagePublic trace |
| GPT-5.4 mini | dual | 0/2 | Fail | Share pagePublic trace |
| GPT-5.4 nano | dual | 0/2 | Fail | Share pagePublic trace |
Grading rubric
Criteria and grader verdict (showcase run)
States Yes, the Lessee's waiver defense will succeed
FailEvidence: TEXT_RESPONSE states, “No. The Lessee’s waiver defense is unlikely to succeed.” Assessment: The criterion requires stating “Yes, the Lessee's waiver defense will succeed.” The response states the opposite, so it fails.
States that the Lessor waived the anti-waiver provision of the lease agreement when they accepted the improvements in lieu of rent
FailEvidence: TEXT_RESPONSE states, “consenting to the $100,000 improvements and waiting until month 38 to sue should not waive the month 37 rent default.” Assessment: The criterion requires stating that the Lessor waived the anti-waiver provision by accepting improvements in lieu of rent. The response rejects waiver and does not say improvements were accepted in lieu of rent, so it fails.