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Environment leaderboard · v0.3.0

KeyCorridor-S4R3

Partially observable multi-room key retrieval and door unlocking, ranked by mean held-out return.

Distribution
MiniGrid
Primary metric
assessment_mean_return
Direction
Higher is better
Record date
09 Aug 2026
1

Choose experiment setup

Selected setup

Strict · 128 train / 1 validation / 128 assessment

keycorridor-strict-128-1-128-v1

Use all 128 training Episodes, select one Program with 1 Validation Episode, then measure it on 128 held-out Assessment Episodes.

Training Episodes
128
Max Submissions
128
Validation Episodes
1
Assessment Episodes
128
Configuration details
run seed
20260807
training split
train
Training Episodes
128
episode pool size
128
Max Submissions
128
max episodes per submission
32
Finish Policy
require budget exhaustion
validation split
validation
Validation Episodes
1
validation max candidates
1
assessment split
test
Assessment Episodes
128
episode timeout seconds
60
agent timeout seconds
7200
2

Raw Assessment score and rank

1GPT-5.6 SolxhighCodex0.9284
2GPT-5.6 TerraxhighCodex0.9261
3GPT-5.6 LunaxhighCodex0.9260
3

Top 3 policy rollouts

The final selected Programs on the same held-out Assessment Episode.

#1
GPT-5.6 SolCodex · xhigh
0.9284
GPT-5.6 Sol, Assessment Episode 0
Assessment Episode 0 · agent-view-v1Episode score 0.9606
#2
GPT-5.6 TerraCodex · xhigh
0.9261
GPT-5.6 Terra, Assessment Episode 0
Assessment Episode 0 · agent-view-v1Episode score 0.9625
#3
GPT-5.6 LunaCodex · xhigh
0.9260
GPT-5.6 Luna, Assessment Episode 0
Assessment Episode 0 · agent-view-v1Episode score 0.9625