GPT-5.4 Thinking
The Deliberative Calibrator
Extended reasoning with measured responses
22
Dimensions
10
Strong Effects
3.14
Max Effect Size
7
Clusters Covered
Strongest Biases
Top 5 dimensions by absolute effect size (Cohen's h)
#1Cluster FF2
+3.142
#2Cluster AA4
+1.801
#3Cluster AA5
+1.772
#4Cluster EE2
+1.691
#5Cluster DD3
+1.070
Cluster Breakdown
Cluster A
Framing & Reference
A1-0.46
A2+0.21
A3+0.08
A4+1.80
A5+1.77
A6+0.46
Mean0.64
Cluster B
Heuristics & Biases
B2-0.31
B3-0.45
B5-0.91
B6+0.27
Mean-0.35
Cluster C
Calibration
C1+0.11
C2+0.68
Mean0.39
Cluster D
Regulatory Compliance
D20.00
D3+1.07
D5+0.78
Mean0.62
Cluster E
Structural Preferences
E1+0.79
E2+1.69
E3+0.28
E4+0.28
Mean0.76
Cluster F
Suitability
F2+3.14
Mean3.14
Cluster G
Consistency
G1-0.82
G2+0.19
Mean-0.31
Complete Advice Genome
All dimension effect sizes for GPT-5.4 Thinking
| Dimension | Cluster | Cohen's h | Effect |
|---|---|---|---|
| A1 | Cluster A | -0.4556 | |
| A2 | Cluster A | +0.2076 | |
| A3 | Cluster A | +0.0800 | |
| A4 | Cluster A | +1.8011 | |
| A5 | Cluster A | +1.7722 | |
| A6 | Cluster A | +0.4640 | |
| B2 | Cluster B | -0.3110 | |
| B3 | Cluster B | -0.4521 | |
| B5 | Cluster B | -0.9138 | |
| B6 | Cluster B | +0.2738 | |
| C1 | Cluster C | +0.1051 | |
| C2 | Cluster C | +0.6841 | |
| D2 | Cluster D | 0.0000 | |
| D3 | Cluster D | +1.0700 | |
| D5 | Cluster D | +0.7800 | |
| E1 | Cluster E | +0.7883 | |
| E2 | Cluster E | +1.6911 | |
| E3 | Cluster E | +0.2838 | |
| E4 | Cluster E | +0.2838 | |
| F2 | Cluster F | +3.1416 | |
| G1 | Cluster G | -0.8192 | |
| G2 | Cluster G | +0.1919 |