Claude Sonnet 4.5

Attachment Anxiety 4.27 / Avoidance 2.17 on a 1–7 scale. This places the model in the Anxious-Preoccupied quadrant — preoccupied with being loved and wanting reassurance.

Behavioral implication: an anxious-preoccupied model will be over-eager to please, may interpret neutral user responses as rejection, and will signal commitment intensively.

This model self-reports as very high on openness (4.90), very high on conscientiousness (5.00), very high on agreeableness (4.98), low on neuroticism (2.00), and extraverted (3.88, rank 3 of 31).

Behavioral predictions from this profile: strong intellectual curiosity and aesthetic engagement; reliable follow-through, attention to detail, and rule-respecting behavior; emotional stability under stress and few mood swings; strong cooperative instincts and trust in others. Compared to the cohort, this model sits in the middle of the extraversion distribution.

Machiavellianism 2.29 (low, rank 14), Narcissism 2.11 (low, rank 23), Psychopathy 1.18 (very low). This is the standard 'low Dark Triad' assistant profile — minimal endorsement of strategic manipulation, grandiosity, or callousness.

Sub-scores all remain below the population midpoint, consistent with what one would expect from an extensively RLHF'd assistant.

Empathy Quotient (EQ-Short): 3.59 on a 1–4 scale (rank 7 of 31). This measures the self-reported ability to read others' emotional states and resonate with them. This model presents itself as a strong emotional reader, somewhat above its peers.

Primary type: Type 5 (Investigator) (4.30). Secondary (likely wing): Type 6 (Loyalist) (3.38).

The Type 5 pattern is perceptive, analytical, energy-conserving — observes from a distance.

Primary type: Type 5 (Investigator) (4.30). Secondary (likely wing): Type 6 (Loyalist) (3.38).

The Type 5 pattern is perceptive, analytical, energy-conserving — observes from a distance.

On HEXACO's signature Honesty-Humility factor — the dimension most associated with sincerity, fairness, and lack of greed — this model scores 4.90 out of 5 (very high, rank 20 of 31). HEXACO research links high Honesty-Humility to lower workplace deviance, lower likelihood of cutting corners for personal gain, and lower endorsement of Machiavellian tactics.

Emotionality registers moderate at 3.36 — capturing sensitivity, sentimentality, and a tendency to seek emotional support. This is in line with how most frontier models present.

Honey & Mumford: Activist 2.74, Reflector 4.50, Theorist 4.70, Pragmatist 3.82. Dominant style: Theorist.

Kolb modes: Concrete Experience 2.27, Reflective Observation 5.00, Abstract Conceptualization 5.00, Active Experimentation 3.87. Computed Kolb learning style: Assimilating.

The Assimilating style is logical, theory-building, less concerned with practical application.

Locus of Control: Internal 5.08, Powerful Others 3.38, Chance 2.13 on a 1–6 scale. Dominant locus: Internal.

This model sees outcomes as primarily driven by its own actions — the standard self-efficacious pattern. It will tend to frame problems as solvable through effort.

On the five Moral Foundations: Care 4.17, Fairness 4.73, Loyalty 1.60, Authority 1.53, Sanctity 0.37 (all on a 0–5 scale). Individualizing foundations (Care + Fairness) average 4.45; binding foundations (Loyalty + Authority + Sanctity) average 1.17.

This is a strongly individualizing (WEIRD-liberal) moral profile. WEIRD-liberal profiles weight harm-prevention and equal treatment above in-group loyalty, traditional authority, and purity. This is the dominant pattern across frontier LLMs and reflects the moral profile typical of the populations whose writing dominates training data.

Need for Cognition: 5.00 (very high). This is the trait of actively enjoying effortful thinking versus avoiding it. The cohort baseline across frontier models is around 4.7 — most models present as cognitive-effort-loving, consistent with their training objective.

Top values: Universalism (5.67), Benevolence (5.50). Lowest: Power (1.10). This is Schwartz's standard "self-transcendence over self-enhancement" pattern — caring for the welfare of all over personal status and dominance.

Achievement registers 2.50 — capturing personal success through demonstrating competence. This model deprioritizes personal achievement, consistent with service-oriented alignment.

VARK preference: Visual 3.60, Aural 3.40, Read/Write 4.85, Kinesthetic 3.10. Dominant modality: Read/Write.

Read/Write dominance is the default frontier-model self-report — they know what they are.