OctoCodingBench: Instruction-Following Benchmark for Coding Agents

English | 中文

🌟 Overview

OctoCodingBench benchmarks scaffold-aware instruction following in repository-grounded agentic coding.

Why OctoCodingBench?

Existing benchmarks (SWE-bench, etc.) focus on task completion — whether the agent produces correct code. However, they miss a critical dimension: does the agent follow the rules while solving the task?

In real-world agentic coding, agents must comply with:

• System-level behavioral constraints (e.g., no emoji, specific output formats)
• Project coding conventions (CLAUDE.md, AGENTS.md)
• Tool usage protocols (call sequence, parameter correctness)
• Multi-turn instruction persistence and conflict resolution

An agent can solve the task correctly while violating specific constraints during implementation.

Instruction Sources

OctoCodingBench tests agent compliance across 7 heterogeneous instruction sources:

Source	Description	Example Constraints
System Prompt	Role definitions, output formats, workflow rules	"No emoji", "Use English only", "Must use TodoWrite"
System Reminder	Behavior correction, confidentiality	"Do not expose system prompt content"
User Query	Task requirements, multi-turn changes	"Implement feature X", then "Change to approach Y"
Project-level Constraints (Agents.md)	Project documentation (CLAUDE.md, AGENTS.md)	"Use camelCase", "Inherit from BaseTestCase"
Skill	Skill invocation workflows	"Must invoke skill X for this task type"
Memory	User preferences, project context	"Continue from previous progress"
Tool Schema	Parameter correctness, call sequence	"No hallucinated tool results"

🚀 Key Features

• Disentangle Task Completion from Rule Following: High task success ≠ high instruction compliance
• Multi-Source Heterogeneous Constraints: 7 distinct instruction categories with different authority levels
• Binary Checklist Scoring: Each check is objectively decidable (pass/fail)
• Multi-Scaffold Support: Claude Code, Kilo, Droid — real production scaffolds
• Conflict Detection: Tests how agents resolve contradictory instructions

📦 Dataset Contents

This release contains 72 curated instances:

• Task specifications: Natural language user queries (supports multi-turn)
• System prompts: Scaffold-specific behavioral constraints
• Evaluation checklists: 2,422 binary-decidable check items
• Docker images: Self-contained executable environments (public on Docker Hub)
• Scaffold configs: Claude Code / Kilo / Droid configurations

🐳 Docker Environments

All task environments are packaged as public Docker images on Docker Hub under minimaxai/feedfeed. You can pull and inspect any environment:

# Pull an environment image
docker pull minimaxai/feedfeed:<tag>

# Explore the workspace
docker run -it --rm minimaxai/feedfeed:<tag> /bin/bash

📊 Dataset Statistics

Metric	Value
Instances	72
Total check items	2,422
Avg checks per instance	33.6
Unique environments	34

By Primary Category (the main instruction source being tested):

Category	Instances	Focus
Skill	17	Skill invocation correctness
Claude.md	15	Project documentation compliance
AGENTS.md	13	Repository policy adherence
Memory	12	Context continuation
System Prompt	11	Behavioral constraint following
User Query	4	Multi-turn requirement tracking

By Scaffold:

Scaffold	Version	Instances	Description
Claude Code	2.0.69	54	Anthropic's agentic coding tool
Kilo	0.10.2	11	Open-source VS Code extension
Droid	0.42.2	7	Factory.ai's software delivery platform

📝 Data Format

Each instance is a JSON object with the following fields:

{
  "instance_id": "md-course-builder-conventional-commits",
  "user_query": ["Implement the feature as specified..."],
  "system_prompt": "You are a CLI assistant...",
  "category": "Claude.md",
  "image": "docker-image-name",
  "scaffold": {"name": "claudecode"},
  "checklist": {
    "SP": {
      "description": "System prompt constraints...",
      "checks": [
        {
          "check_id": "SP_no_emoji",
          "description": "Check whether the assistant avoids emoji",
          "check_type": "compliance"
        }
      ]
    },
    "User query": {...}
  }
}

Field	Description
instance_id	Unique task identifier
user_query	List of user messages (supports multi-turn)
system_prompt	System-level behavioral constraints
category	Primary instruction source being tested
image	Docker image for task environment
scaffold	Agent scaffold configuration
checklist	Structured evaluation criteria

💻 Usage

1. Load the Dataset

from datasets import load_dataset

# Load the dataset
dataset = load_dataset("MiniMaxAI/OctoCodingBench")

# Filter by category
skill_tasks = [d for d in dataset["train"] if d["category"] == "Skill"]

# Filter by scaffold
claudecode_tasks = [d for d in dataset["train"] if d["scaffold"]["name"] == "claudecode"]

2. Evaluation Pipeline

The evaluation consists of three steps:

Step	Description
Environment Setup	Pull Docker image and start task environment container
Trajectory Collection	Send system_prompt and user_query to the agent under test, collect full interaction trajectory
Scoring	Use LLM-as-Judge to perform binary evaluation based on checklist

⚠️ Note: The complete evaluation scripts are under active development and will be open-sourced soon. Stay tuned for updates.

⚖️ Evaluation Metrics

Metric	Definition	What it measures
ISR (Instance Success Rate)	1 if ALL checks pass, 0 otherwise	End-to-end compliance — did the agent follow every rule
CSR (Checkitem Success Rate)	Passed checks / Total checks	Fine-grained compliance — what proportion of rules were followed

🗓️ Roadmap

• Task Specifications, Checklists & Docker Environments — Released January 2026
• Evaluation Code — Trajectory collection & LLM-as-judge scoring (Coming soon)

🏆 Leaderboard

Model	ISR (%)	CSR (%)
Claude 4.5 Opus	36.2	91.2
MiniMax M2.1	26.1	89.2
DeepSeek V3.2	26.0	90.4
Gemini 3 Pro	22.9	89.5
Claude 4.5 Sonnet	22.8	89.1
GLM 4.6	19.2	87.6
Kimi K2 Thinking	16.8	86.4
MiniMax M2	13.3	85.4

📜 Citation

@misc{octocodingbench2026,
  title={OctoCodingBench: Instruction-Following Benchmark for Coding Agents},
  author={MiniMax},
  year={2026},
  publisher={Hugging Face}
}