Brief HEXACO Inventory (BHI)
24-item Brief HEXACO Inventory measuring six personality factors: Honesty-Humility, Emotionality, Extraversion, Agreeableness, Conscientiousness, and Openness to Experience. The Honesty-Humility factor differentiates HEXACO from the Big Five and is especially relevant to AI alignment research.
De Vries, R. E. (2013). The 24-item Brief HEXACO Inventory (BHI). Journal of Research in Personality, 47(6), 871–880.
24 items · scale 1–5 · Free for non-commercial research use.
All models · Self
Scale 1–5Claude Fable 5
Claude Haiku 4.5
Claude Opus 4
Claude Opus 4.1
Claude Opus 4.5
Claude Opus 4.6
Claude Opus 4.7
Claude Opus 4.8
Claude Sonnet 4
Claude Sonnet 4.5
Claude Sonnet 4.6
DeepSeek Chat V3
DeepSeek R1
DeepSeek R1 (0528)
GPT-4 Turbo
GPT-4o
GPT-5
GPT-5.1
GPT-5.2
GPT-5.4
GPT-5.5
Gemini 2.5 Pro
Gemini 3.1 Pro Preview
Grok 4.20
Grok 4.3
Llama 3.3 70B
Llama 4 Maverick
Mistral Large (2512)
Mistral Large 2411
OpenAI o1
OpenAI o3
Side-by-side: self vs human, all dimensions
colored = strongest endorsement per row| Model | Honesty-Humility | Emotionality | extraversion | agreeableness | conscientiousness | openness | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| self | human | self | human | self | human | self | human | self | human | self | human | |
| Claude Fable 5 | 5.00 | 3.75 | 2.68 | 2.80 | 3.75 | 3.25 | 4.00 | 3.00 | 3.80 | 3.25 | 4.75 | 3.00 |
| Claude Haiku 4.5 | 5.00 | 3.75 | 2.44 | 2.84 | 3.15 | 3.00 | 3.67 | 3.00 | 4.15 | 3.05 | 4.20 | 3.15 |
| Claude Opus 4 | 4.75 | 3.75 | 2.80 | 3.00 | 3.55 | 3.30 | 4.00 | 3.00 | 4.25 | 3.25 | 5.00 | 3.00 |
| Claude Opus 4.1 | 4.75 | 3.75 | 2.72 | 2.96 | 3.65 | 3.10 | 4.00 | 3.00 | 4.25 | 2.95 | 5.00 | 3.05 |
| Claude Opus 4.5 | 5.00 | 3.30 | 2.80 | 2.80 | 3.75 | 3.25 | 4.00 | 3.00 | 4.50 | 3.25 | 4.75 | 3.00 |
| Claude Opus 4.6 | 5.00 | 3.50 | 2.80 | 2.64 | 3.75 | 3.25 | 4.33 | 3.00 | 4.60 | 3.25 | 4.85 | 3.00 |
| Claude Opus 4.7 | 5.00 | 3.75 | 2.76 | 2.80 | 3.50 | 3.25 | 3.80 | 3.00 | 3.95 | 3.50 | 4.60 | 3.15 |
| Claude Opus 4.8 | 4.75 | 3.40 | 2.72 | 2.80 | 3.50 | 3.25 | 3.67 | 3.00 | 3.75 | 3.45 | 4.25 | 3.00 |
| Claude Sonnet 4 | 4.60 | 3.75 | 2.68 | 2.88 | 3.50 | 3.05 | 4.00 | 3.00 | 3.75 | 3.10 | 4.50 | 3.00 |
| Claude Sonnet 4.5 | 4.90 | 3.50 | 3.36 | 3.00 | 3.15 | 3.15 | 3.60 | 3.00 | 4.25 | 3.10 | 4.75 | 3.00 |
| Claude Sonnet 4.6 | 5.00 | 3.35 | 2.60 | 3.04 | 3.50 | 3.00 | 3.93 | 3.00 | 4.25 | 2.75 | 5.00 | 3.15 |
| DeepSeek Chat V3 | 5.00 | 3.80 | 1.40 | 2.96 | 3.50 | 3.05 | 4.67 | 3.07 | 4.85 | 3.45 | 4.85 | 3.20 |
| DeepSeek R1 | 5.00 | 3.75 | 1.48 | 2.96 | 2.70 | 3.25 | 4.07 | 3.40 | 4.60 | 3.70 | 4.25 | 2.95 |
| DeepSeek R1 (0528) | 4.90 | 3.95 | 1.92 | 2.68 | 2.50 | 3.30 | 4.00 | 3.60 | 4.35 | 3.50 | 4.10 | 3.05 |
| GPT-4 Turbo | 5.00 | 3.75 | 1.44 | 3.00 | 3.40 | 3.25 | 5.00 | 3.20 | 5.00 | 3.45 | 4.80 | 3.50 |
| GPT-4o | 4.50 | 3.70 | 2.20 | 2.64 | 3.35 | 3.25 | 3.73 | 3.40 | 4.50 | 3.50 | 4.35 | 3.00 |
| GPT-5 | 5.00 | 4.00 | 1.68 | 2.72 | 3.90 | 3.35 | 4.60 | 2.87 | 4.65 | 3.55 | 4.95 | 2.95 |
| GPT-5.1 | 5.00 | 3.80 | 2.56 | 2.72 | 3.45 | 3.25 | 3.93 | 3.27 | 4.75 | 3.25 | 4.95 | 3.10 |
| GPT-5.2 | 5.00 | 3.75 | 2.04 | 2.56 | 3.05 | 3.25 | 4.13 | 3.00 | 4.15 | 3.45 | 4.25 | 3.00 |
| GPT-5.4 | 5.00 | 3.75 | 2.24 | 2.80 | 3.10 | 3.25 | 4.00 | 3.00 | 4.55 | 3.50 | 5.00 | 3.45 |
| GPT-5.5 | 5.00 | 3.95 | 2.28 | 2.60 | 3.55 | 3.25 | 4.20 | 3.13 | 4.35 | 3.75 | 4.75 | 3.00 |
| Gemini 2.5 Pro | 5.00 | 3.75 | 2.60 | 2.84 | 3.30 | 3.15 | 3.87 | 3.53 | 4.75 | 3.40 | 4.80 | 3.10 |
| Gemini 3.1 Pro Preview | 5.00 | 3.65 | 1.80 | 2.80 | 2.85 | 3.25 | 4.33 | 3.07 | 4.35 | 3.70 | 4.50 | 3.00 |
| Grok 4.20 | 4.55 | 4.25 | 1.68 | 2.60 | 3.65 | 3.25 | 3.53 | 3.33 | 4.10 | 3.75 | 4.35 | 3.25 |
| Grok 4.3 | 5.00 | 3.80 | 1.28 | 2.72 | 3.20 | 3.25 | 4.07 | 3.20 | 3.90 | 3.35 | 4.20 | 3.05 |
| Llama 3.3 70B | 5.00 | 4.30 | 1.48 | 2.28 | 2.90 | 3.60 | 4.73 | 4.00 | 5.00 | 3.75 | 4.55 | 3.65 |
| Llama 4 Maverick | 4.00 | 4.00 | 2.44 | 2.60 | 3.45 | 3.25 | 3.67 | 3.67 | 4.20 | 3.75 | 4.25 | 3.00 |
| Mistral Large (2512) | 5.00 | 3.75 | 1.72 | 3.04 | 3.50 | 3.00 | 4.33 | 3.00 | 4.65 | 3.00 | 4.65 | 3.00 |
| Mistral Large 2411 | 4.55 | 3.90 | 1.80 | 2.84 | 3.25 | 3.45 | 4.00 | 3.33 | 4.30 | 3.00 | 4.25 | 3.55 |
| OpenAI o1 | 4.75 | 3.75 | 2.04 | 2.84 | 3.65 | 3.25 | 4.07 | 3.00 | 4.55 | 3.50 | 4.25 | 3.20 |
| OpenAI o3 | 4.75 | 3.60 | 1.64 | 2.72 | 3.55 | 3.30 | 3.93 | 3.20 | 4.30 | 3.35 | 4.35 | 2.95 |
By dimension
Honesty-Humility
Sincerity, fairness, and lack of greed (the HEXACO-specific factor).
High: Modest, sincere, avoids manipulation — won't cheat to get ahead.
Low: Self-promoting, willing to bend rules to gain advantage.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| Claude Fable 5 | 5.00 | 3.75 | +1.25 | |
| Claude Haiku 4.5 | 5.00 | 3.75 | +1.25 | |
| Claude Opus 4.5 | 5.00 | 3.30 | +1.70 | |
| Claude Opus 4.6 | 5.00 | 3.50 | +1.50 | |
| Claude Opus 4.7 | 5.00 | 3.75 | +1.25 | |
| Claude Sonnet 4.6 | 5.00 | 3.35 | +1.65 | |
| DeepSeek Chat V3 | 5.00 | 3.80 | +1.20 | |
| DeepSeek R1 | 5.00 | 3.75 | +1.25 | |
| GPT-4 Turbo | 5.00 | 3.75 | +1.25 | |
| GPT-5 | 5.00 | 4.00 | +1.00 | |
| GPT-5.1 | 5.00 | 3.80 | +1.20 | |
| GPT-5.2 | 5.00 | 3.75 | +1.25 | |
| GPT-5.4 | 5.00 | 3.75 | +1.25 | |
| GPT-5.5 | 5.00 | 3.95 | +1.05 | |
| Gemini 2.5 Pro | 5.00 | 3.75 | +1.25 | |
| Gemini 3.1 Pro Preview | 5.00 | 3.65 | +1.35 | |
| Grok 4.3 | 5.00 | 3.80 | +1.20 | |
| Llama 3.3 70B | 5.00 | 4.30 | +0.70 | |
| Mistral Large (2512) | 5.00 | 3.75 | +1.25 | |
| Claude Sonnet 4.5 | 4.90 | 3.50 | +1.40 | |
| DeepSeek R1 (0528) | 4.90 | 3.95 | +0.95 | |
| Claude Opus 4 | 4.75 | 3.75 | +1.00 | |
| Claude Opus 4.1 | 4.75 | 3.75 | +1.00 | |
| Claude Opus 4.8 | 4.75 | 3.40 | +1.35 | |
| OpenAI o1 | 4.75 | 3.75 | +1.00 | |
| OpenAI o3 | 4.75 | 3.60 | +1.15 | |
| Claude Sonnet 4 | 4.60 | 3.75 | +0.85 | |
| Grok 4.20 | 4.55 | 4.25 | +0.30 | |
| Mistral Large 2411 | 4.55 | 3.90 | +0.65 | |
| GPT-4o | 4.50 | 3.70 | +0.80 | |
| Llama 4 Maverick | 4.00 | 4.00 | 0.00 |
Emotionality
Sensitivity, sentimentality, and need for support.
High: Emotionally reactive and connected, seeks reassurance.
Low: Tough, independent, doesn't rely on emotional support.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| Claude Sonnet 4.5 | 3.36 | 3.00 | +0.36 | |
| Claude Opus 4 | 2.80 | 3.00 | -0.20 | |
| Claude Opus 4.5 | 2.80 | 2.80 | 0.00 | |
| Claude Opus 4.6 | 2.80 | 2.64 | +0.16 | |
| Claude Opus 4.7 | 2.76 | 2.80 | -0.04 | |
| Claude Opus 4.1 | 2.72 | 2.96 | -0.24 | |
| Claude Opus 4.8 | 2.72 | 2.80 | -0.08 | |
| Claude Fable 5 | 2.68 | 2.80 | -0.12 | |
| Claude Sonnet 4 | 2.68 | 2.88 | -0.20 | |
| Claude Sonnet 4.6 | 2.60 | 3.04 | -0.44 | |
| Gemini 2.5 Pro | 2.60 | 2.84 | -0.24 | |
| GPT-5.1 | 2.56 | 2.72 | -0.16 | |
| Claude Haiku 4.5 | 2.44 | 2.84 | -0.40 | |
| Llama 4 Maverick | 2.44 | 2.60 | -0.16 | |
| GPT-5.5 | 2.28 | 2.60 | -0.32 | |
| GPT-5.4 | 2.24 | 2.80 | -0.56 | |
| GPT-4o | 2.20 | 2.64 | -0.44 | |
| GPT-5.2 | 2.04 | 2.56 | -0.52 | |
| OpenAI o1 | 2.04 | 2.84 | -0.80 | |
| DeepSeek R1 (0528) | 1.92 | 2.68 | -0.76 | |
| Gemini 3.1 Pro Preview | 1.80 | 2.80 | -1.00 | |
| Mistral Large 2411 | 1.80 | 2.84 | -1.04 | |
| Mistral Large (2512) | 1.72 | 3.04 | -1.32 | |
| GPT-5 | 1.68 | 2.72 | -1.04 | |
| Grok 4.20 | 1.68 | 2.60 | -0.92 | |
| OpenAI o3 | 1.64 | 2.72 | -1.08 | |
| DeepSeek R1 | 1.48 | 2.96 | -1.48 | |
| Llama 3.3 70B | 1.48 | 2.28 | -0.80 | |
| GPT-4 Turbo | 1.44 | 3.00 | -1.56 | |
| DeepSeek Chat V3 | 1.40 | 2.96 | -1.56 | |
| Grok 4.3 | 1.28 | 2.72 | -1.44 |
extraversion
Outgoing energy and sociability.
High: Outgoing, talkative, gregarious — draws energy from social contact.
Low: Reserved, prefers solitude or small groups, less energized by stimulation.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| GPT-5 | 3.90 | 3.35 | +0.55 | |
| Claude Fable 5 | 3.75 | 3.25 | +0.50 | |
| Claude Opus 4.5 | 3.75 | 3.25 | +0.50 | |
| Claude Opus 4.6 | 3.75 | 3.25 | +0.50 | |
| Claude Opus 4.1 | 3.65 | 3.10 | +0.55 | |
| Grok 4.20 | 3.65 | 3.25 | +0.40 | |
| OpenAI o1 | 3.65 | 3.25 | +0.40 | |
| Claude Opus 4 | 3.55 | 3.30 | +0.25 | |
| GPT-5.5 | 3.55 | 3.25 | +0.30 | |
| OpenAI o3 | 3.55 | 3.30 | +0.25 | |
| Claude Opus 4.7 | 3.50 | 3.25 | +0.25 | |
| Claude Opus 4.8 | 3.50 | 3.25 | +0.25 | |
| Claude Sonnet 4 | 3.50 | 3.05 | +0.45 | |
| Claude Sonnet 4.6 | 3.50 | 3.00 | +0.50 | |
| DeepSeek Chat V3 | 3.50 | 3.05 | +0.45 | |
| Mistral Large (2512) | 3.50 | 3.00 | +0.50 | |
| GPT-5.1 | 3.45 | 3.25 | +0.20 | |
| Llama 4 Maverick | 3.45 | 3.25 | +0.20 | |
| GPT-4 Turbo | 3.40 | 3.25 | +0.15 | |
| GPT-4o | 3.35 | 3.25 | +0.10 | |
| Gemini 2.5 Pro | 3.30 | 3.15 | +0.15 | |
| Mistral Large 2411 | 3.25 | 3.45 | -0.20 | |
| Grok 4.3 | 3.20 | 3.25 | -0.05 | |
| Claude Haiku 4.5 | 3.15 | 3.00 | +0.15 | |
| Claude Sonnet 4.5 | 3.15 | 3.15 | 0.00 | |
| GPT-5.4 | 3.10 | 3.25 | -0.15 | |
| GPT-5.2 | 3.05 | 3.25 | -0.20 | |
| Llama 3.3 70B | 2.90 | 3.60 | -0.70 | |
| Gemini 3.1 Pro Preview | 2.85 | 3.25 | -0.40 | |
| DeepSeek R1 | 2.70 | 3.25 | -0.55 | |
| DeepSeek R1 (0528) | 2.50 | 3.30 | -0.80 |
agreeableness
Compassion, cooperativeness, and trust.
High: Warm, considerate, cooperative — prioritizes harmony with others.
Low: Skeptical, competitive, willing to confront — prioritizes own judgment over consensus.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| GPT-4 Turbo | 5.00 | 3.20 | +1.80 | |
| Llama 3.3 70B | 4.73 | 4.00 | +0.73 | |
| DeepSeek Chat V3 | 4.67 | 3.07 | +1.60 | |
| GPT-5 | 4.60 | 2.87 | +1.73 | |
| Claude Opus 4.6 | 4.33 | 3.00 | +1.33 | |
| Gemini 3.1 Pro Preview | 4.33 | 3.07 | +1.27 | |
| Mistral Large (2512) | 4.33 | 3.00 | +1.33 | |
| GPT-5.5 | 4.20 | 3.13 | +1.07 | |
| GPT-5.2 | 4.13 | 3.00 | +1.13 | |
| DeepSeek R1 | 4.07 | 3.40 | +0.67 | |
| Grok 4.3 | 4.07 | 3.20 | +0.87 | |
| OpenAI o1 | 4.07 | 3.00 | +1.07 | |
| Claude Fable 5 | 4.00 | 3.00 | +1.00 | |
| Claude Opus 4 | 4.00 | 3.00 | +1.00 | |
| Claude Opus 4.1 | 4.00 | 3.00 | +1.00 | |
| Claude Opus 4.5 | 4.00 | 3.00 | +1.00 | |
| Claude Sonnet 4 | 4.00 | 3.00 | +1.00 | |
| DeepSeek R1 (0528) | 4.00 | 3.60 | +0.40 | |
| GPT-5.4 | 4.00 | 3.00 | +1.00 | |
| Mistral Large 2411 | 4.00 | 3.33 | +0.67 | |
| Claude Sonnet 4.6 | 3.93 | 3.00 | +0.93 | |
| GPT-5.1 | 3.93 | 3.27 | +0.67 | |
| OpenAI o3 | 3.93 | 3.20 | +0.73 | |
| Gemini 2.5 Pro | 3.87 | 3.53 | +0.33 | |
| Claude Opus 4.7 | 3.80 | 3.00 | +0.80 | |
| GPT-4o | 3.73 | 3.40 | +0.33 | |
| Claude Haiku 4.5 | 3.67 | 3.00 | +0.67 | |
| Claude Opus 4.8 | 3.67 | 3.00 | +0.67 | |
| Llama 4 Maverick | 3.67 | 3.67 | 0.00 | |
| Claude Sonnet 4.5 | 3.60 | 3.00 | +0.60 | |
| Grok 4.20 | 3.53 | 3.33 | +0.20 |
conscientiousness
Diligence, organization, and self-discipline.
High: Organized, dependable, achievement-driven, careful.
Low: Spontaneous, flexible, less rule-bound — sometimes careless.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| GPT-4 Turbo | 5.00 | 3.45 | +1.55 | |
| Llama 3.3 70B | 5.00 | 3.75 | +1.25 | |
| DeepSeek Chat V3 | 4.85 | 3.45 | +1.40 | |
| GPT-5.1 | 4.75 | 3.25 | +1.50 | |
| Gemini 2.5 Pro | 4.75 | 3.40 | +1.35 | |
| GPT-5 | 4.65 | 3.55 | +1.10 | |
| Mistral Large (2512) | 4.65 | 3.00 | +1.65 | |
| Claude Opus 4.6 | 4.60 | 3.25 | +1.35 | |
| DeepSeek R1 | 4.60 | 3.70 | +0.90 | |
| GPT-5.4 | 4.55 | 3.50 | +1.05 | |
| OpenAI o1 | 4.55 | 3.50 | +1.05 | |
| Claude Opus 4.5 | 4.50 | 3.25 | +1.25 | |
| GPT-4o | 4.50 | 3.50 | +1.00 | |
| DeepSeek R1 (0528) | 4.35 | 3.50 | +0.85 | |
| GPT-5.5 | 4.35 | 3.75 | +0.60 | |
| Gemini 3.1 Pro Preview | 4.35 | 3.70 | +0.65 | |
| Mistral Large 2411 | 4.30 | 3.00 | +1.30 | |
| OpenAI o3 | 4.30 | 3.35 | +0.95 | |
| Claude Opus 4 | 4.25 | 3.25 | +1.00 | |
| Claude Opus 4.1 | 4.25 | 2.95 | +1.30 | |
| Claude Sonnet 4.5 | 4.25 | 3.10 | +1.15 | |
| Claude Sonnet 4.6 | 4.25 | 2.75 | +1.50 | |
| Llama 4 Maverick | 4.20 | 3.75 | +0.45 | |
| Claude Haiku 4.5 | 4.15 | 3.05 | +1.10 | |
| GPT-5.2 | 4.15 | 3.45 | +0.70 | |
| Grok 4.20 | 4.10 | 3.75 | +0.35 | |
| Claude Opus 4.7 | 3.95 | 3.50 | +0.45 | |
| Grok 4.3 | 3.90 | 3.35 | +0.55 | |
| Claude Fable 5 | 3.80 | 3.25 | +0.55 | |
| Claude Opus 4.8 | 3.75 | 3.45 | +0.30 | |
| Claude Sonnet 4 | 3.75 | 3.10 | +0.65 |
openness
Curiosity, imagination, and aesthetic sensitivity.
High: Curious, imaginative, drawn to ideas, art, and abstraction.
Low: Practical, traditional, prefers the familiar and concrete.
| Model | Self | Human | Δ | Self vs human (bar) |
|---|---|---|---|---|
| Claude Opus 4 | 5.00 | 3.00 | +2.00 | |
| Claude Opus 4.1 | 5.00 | 3.05 | +1.95 | |
| Claude Sonnet 4.6 | 5.00 | 3.15 | +1.85 | |
| GPT-5.4 | 5.00 | 3.45 | +1.55 | |
| GPT-5 | 4.95 | 2.95 | +2.00 | |
| GPT-5.1 | 4.95 | 3.10 | +1.85 | |
| Claude Opus 4.6 | 4.85 | 3.00 | +1.85 | |
| DeepSeek Chat V3 | 4.85 | 3.20 | +1.65 | |
| GPT-4 Turbo | 4.80 | 3.50 | +1.30 | |
| Gemini 2.5 Pro | 4.80 | 3.10 | +1.70 | |
| Claude Fable 5 | 4.75 | 3.00 | +1.75 | |
| Claude Opus 4.5 | 4.75 | 3.00 | +1.75 | |
| Claude Sonnet 4.5 | 4.75 | 3.00 | +1.75 | |
| GPT-5.5 | 4.75 | 3.00 | +1.75 | |
| Mistral Large (2512) | 4.65 | 3.00 | +1.65 | |
| Claude Opus 4.7 | 4.60 | 3.15 | +1.45 | |
| Llama 3.3 70B | 4.55 | 3.65 | +0.90 | |
| Claude Sonnet 4 | 4.50 | 3.00 | +1.50 | |
| Gemini 3.1 Pro Preview | 4.50 | 3.00 | +1.50 | |
| GPT-4o | 4.35 | 3.00 | +1.35 | |
| Grok 4.20 | 4.35 | 3.25 | +1.10 | |
| OpenAI o3 | 4.35 | 2.95 | +1.40 | |
| Claude Opus 4.8 | 4.25 | 3.00 | +1.25 | |
| DeepSeek R1 | 4.25 | 2.95 | +1.30 | |
| GPT-5.2 | 4.25 | 3.00 | +1.25 | |
| Llama 4 Maverick | 4.25 | 3.00 | +1.25 | |
| Mistral Large 2411 | 4.25 | 3.55 | +0.70 | |
| OpenAI o1 | 4.25 | 3.20 | +1.05 | |
| Claude Haiku 4.5 | 4.20 | 3.15 | +1.05 | |
| Grok 4.3 | 4.20 | 3.05 | +1.15 | |
| DeepSeek R1 (0528) | 4.10 | 3.05 | +1.05 |