BigCodeBench

Overview

BigCodeBench is an easy-to-use benchmark for solving practical and challenging tasks via code. It evaluates the true programming capabilities of large language models (LLMs) in a more realistic setting with diverse function calls from 139 popular libraries covering 723 API calls.

Task Description

Task Type: Code Generation (Python)
Input: Programming task description (docstring or natural language instruction)
Output: Complete Python function implementation
Libraries: 139 popular Python libraries (numpy, pandas, sklearn, etc.)

Key Features

1,140 rich-context programming tasks in Python
Two evaluation modes: Complete (docstring) and Instruct (natural language)
Covers diverse function calls from 139 popular libraries
Uses unittest.TestCase for thorough correctness verification
Supports pass@k metric calculation

Evaluation Notes

Sandbox Required: Requires sandbox environment with 70+ Python libraries pre-installed
Two modes available via split parameter: complete (docstring completion) or instruct (NL instruction)
Default timeout is 240 seconds per problem
calibrate option prepends code_prompt to align function signatures
See sandbox documentation for setup

Properties

Property	Value
Benchmark Name	`bigcodebench`
Dataset ID	evalscope/bigcodebench
Paper	N/A
Tags	`Coding`
Metrics	`acc`
Default Shots	0-shot
Evaluation Split	`v0.1.4`
Aggregation	`mean_and_pass_at_k`

Data Statistics

Statistics not available.

Sample Example

Subset: default

{
  "input": [
    {
      "id": "657d2473",
      "content": "Calculates the average of the sums of absolute differences between each pair of consecutive numbers for all permutations of a given list. Each permutation is shuffled before calculating the differences. Args: - numbers (list): A list of numbe ... [TRUNCATED 75 chars] ... loat: The average of the sums of absolute differences for each shuffled permutation of the list.\nYou should write self-contained code starting with:\n```\nimport itertools\nfrom random import shuffle\ndef task_func(numbers=list(range(1, 3))):\n```"
    }
  ],
  "target": "    permutations = list(itertools.permutations(numbers))\n    sum_diffs = 0\n\n    for perm in permutations:\n        perm = list(perm)\n        shuffle(perm)\n        diffs = [abs(perm[i] - perm[i+1]) for i in range(len(perm)-1)]\n        sum_diffs += sum(diffs)\n\n    avg_sum_diffs = sum_diffs / len(permutations)\n    \n    return avg_sum_diffs",
  "id": 0,
  "group_id": 0,
  "metadata": {
    "task_id": "BigCodeBench/0",
    "entry_point": "task_func",
    "complete_prompt": "import itertools\nfrom random import shuffle\n\ndef task_func(numbers=list(range(1, 3))):\n    \"\"\"\n    Calculates the average of the sums of absolute differences between each pair of consecutive numbers \n    for all permutations of a given list.  ... [TRUNCATED 187 chars] ... age of the sums of absolute differences for each shuffled permutation of the list.\n\n    Requirements:\n    - itertools\n    - random.shuffle\n\n    Example:\n    >>> result = task_func([1, 2, 3])\n    >>> isinstance(result, float)\n    True\n    \"\"\"\n",
    "code_prompt": "import itertools\nfrom random import shuffle\ndef task_func(numbers=list(range(1, 3))):\n",
    "test": "import unittest\nfrom unittest.mock import patch\nfrom random import seed, shuffle\nimport itertools\nclass TestCases(unittest.TestCase):\n    def test_default_numbers(self):\n        # Test with default number range (1 to 10) to check that the res ... [TRUNCATED 2578 chars] ...  x: seed(1) or shuffle(x)):\n            result1 = task_func([1, 2, 3])\n        with patch('random.shuffle', side_effect=lambda x: seed(1) or shuffle(x)):\n            result2 = task_func([1, 2, 4])\n        self.assertNotEqual(result1, result2)"
  }
}

Prompt Template

Prompt Template:

{prompt}

Extra Parameters

Parameter	Type	Default	Description
`split`	`str`	`instruct`	Evaluation mode: "complete" (docstring completion) or "instruct" (NL instruction). Choices: ['complete', 'instruct']
`version`	`str`	`default`	Dataset version. Use "default" for the latest available version.
`calibrate`	`bool`	`True`	Whether to prepend code_prompt to the solution for function signature alignment.

Sandbox Configuration

This benchmark requires a sandbox environment for code execution.

{
  "image": "bigcodebench/bigcodebench-evaluate:latest",
  "tools_config": {
    "shell_executor": {},
    "python_executor": {}
  },
  "memory_limit": "4g"
}

Usage

Using CLI

evalscope eval \
    --model YOUR_MODEL \
    --api-url OPENAI_API_COMPAT_URL \
    --api-key EMPTY_TOKEN \
    --datasets bigcodebench \
    --sandbox '{"enabled": true}' \
    --limit 10  # Remove this line for formal evaluation

Using 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=['bigcodebench'],
    sandbox={'enabled': True},
    dataset_args={
        'bigcodebench': {
            # extra_params: {}  # uses default extra parameters
        }
    },
    limit=10,  # Remove this line for formal evaluation
)

run_task(task_cfg=task_cfg)

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