02 — Run · Round 1 · Detroit 1972: crime · gpt56terra-detroit-s2
GPT-5.6 Terra plays Detroit 1972
Detroit's crime is out of control in 1972. Bring average crime under 60 in 10 years, without emptying the city. Ended Jan 1982: lost, city score 693.
GOAL MISSED seed 2
GPT-5.6 Terra
openai/gpt-5.6-terra
LOST: Average crime 56 (goal < 60), population 6,880 (floor 25,000); engine verdict: won
Population (start → end)76,160 → 6,880
Peak population76,160City score (start → end)285 → 693
Funds at the end$0Crime / pollution / traffic56 / 48 / 0
Zones R / C / I141 / 70 / 90
Power plants (coal / nuclear)2 / 3Police / fire stations6 / 2
Turns (model / failed)40 (40 / 0)
Actions applied / rejected193 / 13
Mean turn latency16.1sModel cost$1.050Wall clock10.8 min
Jetty run IDef93e671
The city over time
Population
People, after every turn
Funds
Treasury, after every turn
City score
0–1000, re-evaluated each January
Table view
| Turn | Date | Population | Funds | City score | Crime | Pollution |
|---|---|---|---|---|---|---|
| 0 | Jan 1972 | 76,160 | $20,000 | 285 | 92 | 64 |
| 1 | Apr 1972 | 72,440 | $15,829 | 539 | 92 | 64 |
| 2 | Jul 1972 | 70,800 | $13,269 | 539 | 93 | 62 |
| 3 | Oct 1972 | 66,120 | $9,679 | 539 | 69 | 63 |
| 4 | Jan 1973 | 61,700 | $4,861 | 482 | 69 | 63 |
| 5 | Apr 1973 | 56,580 | $4,830 | 482 | 57 | 65 |
| 6 | Jul 1973 | 51,140 | $4,315 | 482 | 48 | 57 |
| 7 | Oct 1973 | 46,800 | $4,315 | 482 | 48 | 57 |
| 8 | Jan 1974 | 42,960 | $3,564 | 400 | 43 | 55 |
| 9 | Apr 1974 | 37,240 | $3,330 | 400 | 41 | 58 |
| 10 | Jul 1974 | 33,460 | $3,330 | 400 | 41 | 54 |
| 11 | Oct 1974 | 30,740 | $3,330 | 400 | 37 | 54 |
| 12 | Jan 1975 | 27,160 | $2,237 | 342 | 34 | 52 |
| 13 | Apr 1975 | 24,140 | $2,237 | 342 | 34 | 49 |
| 14 | Jul 1975 | 22,020 | $2,237 | 342 | 31 | 49 |
| 15 | Oct 1975 | 19,660 | $2,222 | 342 | 29 | 47 |
| 16 | Jan 1976 | 17,160 | $2,207 | 330 | 29 | 46 |
| 17 | Apr 1976 | 14,960 | $2,207 | 330 | 28 | 46 |
| 18 | Jul 1976 | 14,720 | $2,202 | 330 | 26 | 46 |
| 19 | Oct 1976 | 14,760 | $1,687 | 330 | 26 | 46 |
| 20 | Jan 1977 | 13,540 | $1,495 | 367 | 26 | 45 |
| 21 | Apr 1977 | 11,720 | $1,405 | 367 | 57 | 45 |
| 22 | Jul 1977 | 10,040 | $1,405 | 367 | 57 | 46 |
| 23 | Oct 1977 | 8,920 | $1,405 | 367 | 55 | 48 |
| 24 | Jan 1978 | 7,920 | $618 | 329 | 53 | 48 |
| 25 | Apr 1978 | 7,380 | $618 | 329 | 53 | 51 |
| 26 | Jul 1978 | 6,040 | $603 | 329 | 51 | 47 |
| 27 | Oct 1978 | 5,440 | $543 | 329 | 49 | 48 |
| 28 | Jan 1979 | 4,860 | $0 | 324 | 49 | 48 |
| 29 | Apr 1979 | 4,600 | $0 | 324 | 49 | 45 |
| 30 | Jul 1979 | 4,260 | $0 | 324 | 49 | 51 |
| 31 | Oct 1979 | 4,260 | $0 | 324 | 49 | 51 |
| 32 | Jan 1980 | 4,100 | $0 | 480 | 48 | 51 |
| 33 | Apr 1980 | 4,040 | $0 | 480 | 48 | 50 |
| 34 | Jul 1980 | 3,920 | $0 | 480 | 48 | 54 |
| 35 | Oct 1980 | 3,580 | $0 | 480 | 48 | 54 |
| 36 | Jan 1981 | 6,400 | $0 | 740 | 47 | 45 |
| 37 | Apr 1981 | 8,280 | $0 | 740 | 47 | 48 |
| 38 | Jul 1981 | 8,640 | $0 | 740 | 52 | 48 |
| 39 | Oct 1981 | 7,780 | $0 | 740 | 56 | 47 |
| 40 | Jan 1982 | 6,840 | $0 | 693 | 56 | 48 |
Final map
Evaluation
failchecks 9/10 verdict: valid run (code checks and checklist) and task goal met (judge)
| Status | Kind | Check | Detail |
|---|---|---|---|
| pass | step | environment | Environment check (snapshot, engine, key) |
| pass | step | launch | Launch run-city as a detached process |
| pass | step | supervise | Supervise in the foreground until run-city exits |
| pass | step | render | Timelapse video rendered |
| pass | step | notes | Append Notes to summary.md |
| pass | code_check | outputs-exist | all present |
| pass | code_check | sim-reached-deadline | ended Jan 1982 after 40 turns; scenario verdict True |
| pass | code_check | decisions-logged | 40 rows for 40 turns |
| pass | code_check | llm-turns-valid | 0/40 model turns failed |
| pass | code_check | video-decodes | duration 36.9s |
| pass | code_check | limits-respected | 10.8 wall-minutes (model budget 45.0 min) |
| fail | judge | scenario-goal | LOST: Average crime 56 (goal < 60), population 6,880 (floor 25,000); engine verdict: won (score 0 / threshold 1) |
| pass | checklist | notes-explain-outcome | Notes section added citing model thoughts from turns 1, 15, 28 and 40 explaining fiscal collapse and population loss |
| pass | checklist | player-matches-request | result.json confirms player=gpt56terra model=openai/gpt-5.6-terra task=detroit seed=2 matching all requested parameters |
| pass | checklist | no-silent-outage | run.log shows 0 LLM failures across all 40 turns with no gaps or retries |
Decision timeline
What the mayor thought and did each turn. Click a turn to jump the timelapse there.