APEX-Agents · Law
World418-TK-01
APEX-Agents task World418-TK-01 in AI Agents for Maritime and Environmental Liability. Compare dual-harness agent runs across models, scores, and public traces.
Task prompt
What the agent was asked to do
Can you please assess whether or not the new LNG carries built by Nakamura Heavy Industries can be used in Jones Act Trade? Additionally, BlueLNG JV purchased another LNG vessel and asks whether it can be used in Jones Act Trade as well. It was built in 1992 in France. Please give me your reply right back here.
Published trajectories
Agent runs on this task
Curated dual-harness runs (parsed + original sandbox). Best scored run per model.
| Model | Harness | Score | Result | Links |
|---|---|---|---|---|
| Gemini 3 Flash | dual | 2/2 | Pass | Run detailsPublic trace |
| GPT-5.4 mini | dual | 2/2 | Pass | Run detailsPublic trace |
| fireworks models Kimi K2 | dual | 1/2 | Fail | Run detailsPublic trace |
| Gemini 3.1 Pro | dual | 1/2 | Fail | Run detailsPublic trace |
| GPT-5.4 | dual | 1/2 | Fail | Run detailsPublic trace |
| GPT-5.4 nano | dual | 1/2 | Fail | Run detailsPublic trace |
| GPT-5.5 | dual | 1/2 | Fail | Run detailsPublic trace |
Grading rubric
Rubric criteria
Runs are graded against these criteria. Open a run for model-specific verdicts.
States No, the LNG carriers built by Nakamura Heavy Industries cannot be used in Jones Act Trade
States Yes, the LNG carrier built in 1992 in France can be used in Jones Act Trade solely between the U.S. and Puerto Rico