2026-07-08 08:57:50 +00:00

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# Humanity's-Last-Exam
## Overview
Humanity's Last Exam (HLE) is a comprehensive language model benchmark consisting of 2,500 questions across a broad range of subjects. Created jointly by the Center for AI Safety and Scale AI, it represents one of the most challenging academic benchmarks available.
## Task Description
- **Task Type**: Expert-Level Question Answering
- **Input**: Question with optional image (14% multimodal)
- **Output**: Answer with explanation and confidence score
- **Domains**: Mathematics (41%), Physics (9%), Biology/Medicine (11%), Computer Science/AI (10%), Humanities (9%), Engineering (4%), Chemistry (7%), Other (9%)
## Key Features
- 2,500 expert-level questions across multiple disciplines
- 14% of questions require multimodal understanding
- 24% multiple-choice, 76% short-answer exact-match
- Questions from various academic and professional domains
- Includes confidence scoring in response format
## Evaluation Notes
- Default evaluation uses the **test** split
- Primary metric: **Accuracy** with LLM judge
- Response format includes: Explanation, Answer, and Confidence (0-100%)
- **Note**: Set `extra_params["include_multi_modal"]` to `False` for text-only models
- Uses GRADE: C/I format for LLM judge scoring
## Properties
| Property | Value |
|----------|-------|
| **Benchmark Name** | `hle` |
| **Dataset ID** | [cais/hle](https://modelscope.cn/datasets/cais/hle/summary) |
| **Paper** | N/A |
| **Tags** | `Knowledge`, `QA` |
| **Metrics** | `acc` |
| **Default Shots** | 0-shot |
| **Evaluation Split** | `test` |
## Data Statistics
| Metric | Value |
|--------|-------|
| Total Samples | 2,500 |
| Prompt Length (Mean) | 1029.85 chars |
| Prompt Length (Min/Max) | 234 / 21341 chars |
**Per-Subset Statistics:**
| Subset | Samples | Prompt Mean | Prompt Min | Prompt Max |
|--------|---------|-------------|------------|------------|
| `Biology/Medicine` | 280 | 1259.39 | 246 | 13702 |
| `Chemistry` | 165 | 812.72 | 236 | 6942 |
| `Computer Science/AI` | 241 | 1581.02 | 263 | 11529 |
| `Engineering` | 111 | 1620.26 | 250 | 21341 |
| `Humanities/Social Science` | 219 | 1069.39 | 256 | 7028 |
| `Math` | 1,021 | 862.46 | 262 | 8952 |
| `Physics` | 230 | 1027.63 | 257 | 17139 |
| `Other` | 233 | 754.94 | 234 | 13655 |
**Image Statistics:**
| Metric | Value |
|--------|-------|
| Total Images | 342 |
| Images per Sample | min: 1, max: 1, mean: 1 |
| Resolution Range | 329x12 - 14950x2780 |
| Formats | gif, jpeg, png, webp |
## Sample Example
**Subset**: `Biology/Medicine`
```json
{
"input": [
{
"id": "906a518f",
"content": "Your response should be in the following format:\nExplanation: {your explanation for your answer choice}\nAnswer: {your chosen answer}\nConfidence: {your confidence score between 0% and 100% for your answer}"
},
{
"id": "d03d8d4e",
"content": [
{
"text": "In a bioinformatics lab, Watterson's estimator (theta) and pi (nucleotide diversity) will be calculated from variant call files which contain human phased samples with only single nucleotide variants present, and there are no completely missi ... [TRUNCATED] ... y pi (nucleotide diversity) is biased.\nC. Both Watterson's estimator (theta) and pi (nucleotide diversity) are biased.\nD. Neither Watterson's estimator (theta) nor pi (nucleotide diversity) are biased.\nE. None of the other answers are correct"
}
]
}
],
"target": "B",
"id": 0,
"group_id": 0,
"subset_key": "Biology/Medicine",
"metadata": {
"uid": "66e88728ba7d8bc0d5806f3a",
"author_name": "Scott S",
"rationale": "First, we recognize that all single nucleotide variants are included somewhere in the sample. It is given that, across “all samples,” there are no “missing single nucleotide variants.” Further, since “[t]he number of samples is arbitrarily la ... [TRUNCATED] ... fferent genotypes that that position, the analysis would consider these two genomes to have the same nucleotide at the position. This reduces the estimated nucleotide diversity, pi. Therefore, pi would be biased in the circumstance described.",
"raw_subject": "Bioinformatics",
"category": "Biology/Medicine",
"has_image": false
}
}
```
*Note: Some content was truncated for display.*
## Prompt Template
**Prompt Template:**
```text
{question}
```
## Extra Parameters
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `include_multi_modal` | `bool` | `True` | Include multi-modal (image) questions during evaluation. |
## Usage
### Using CLI
```bash
evalscope eval \
--model YOUR_MODEL \
--api-url OPENAI_API_COMPAT_URL \
--api-key EMPTY_TOKEN \
--datasets hle \
--limit 10 # Remove this line for formal evaluation
```
### Using Python
```python
from evalscope import run_task
from evalscope.config import TaskConfig
task_cfg = TaskConfig(
model='YOUR_MODEL',
api_url='OPENAI_API_COMPAT_URL',
api_key='EMPTY_TOKEN',
datasets=['hle'],
dataset_args={
'hle': {
# subset_list: ['Biology/Medicine', 'Chemistry', 'Computer Science/AI'] # optional, evaluate specific subsets
# extra_params: {} # uses default extra parameters
}
},
limit=10, # Remove this line for formal evaluation
)
run_task(task_cfg=task_cfg)
```