Devin vs Kilo CodeUpdated 2026-03-18

SUMMARY

Devin (Agent) uses markdown configuration while Kilo Code (IDE) uses markdown. They differ on 3 of 11 compared features. Both tools provide AI-assisted development but take different approaches to project configuration.

FEATURE COMPARISON

FeatureDevinKilo Code
Config formatmarkdownmarkdown
Hierarchy support
Global config
Project config
Subdirectory scoping
File inclusion / imports
Ignore file
IDE integrationAgent
Schema / structureFree-form (Markdown)Free-form (Markdown)
Git committed
EncodingUTF-8UTF-8

FILE MAPPING

PurposeDevinKilo Code
Settings / configuration.devin/wiki.json.kilocodemodes

SIDE-BY-SIDE CODE SAMPLES

Devin
AGENTS.md
markdown
# Agent Instructions

## Setup
- Python 3.12 with uv package manager
- PostgreSQL 16 and Redis 7
- Run: uv sync && uv run alembic upgrade head

## Commands
- Dev server: uv run uvicorn app.main:app --reload
- Tests: uv run pytest -x --tb=short
- Lint: uv run ruff check . && uv run mypy .
- Format: uv run ruff format .

## Code Style
- FastAPI with async endpoints
- Pydantic v2 for all schemas
- SQLAlchemy 2.0 async sessions
- Repository pattern for data access

## PR Guidelines
- Keep PRs focused on a single issue
- Add tests for new functionality
- Run the full test suite before submitting

Kilo Code
.kilorules
markdown
# Project Rules

## Stack
- TypeScript 5.x with strict mode
- React 19 + Next.js 15 (App Router)
- Tailwind CSS v4 for styling
- Drizzle ORM for database access

## Code Standards
- Named exports only (no default exports)
- Prefer `const` assertions and satisfies operator
- Use Result<T, E> pattern for error handling
- Maximum 30 lines per function

## File Organization
- Colocate tests: `foo.ts` → `foo.test.ts`
- One component per file
- Barrel exports (index.ts) for public module APIs

## Git
- Conventional commits: feat|fix|chore|docs|test
- Squash merge feature branches
- Branch naming: type/description

KEY DIFFERENCES

1. Hierarchy support

Devin: Supported. Kilo Code: Not supported.

2. Subdirectory scoping

Devin: Supported. Kilo Code: Not supported.

3. IDE integration

Devin: Agent. Kilo Code: Supported.

WHICH SHOULD I USE?

Recommendation

Choose based on your IDE/CLI preference. If you use Devin, configure AGENTS.md. If you use Kilo Code, configure .kilocodemodes. Many projects include config files for multiple tools so each team member can use their preferred editor.

PORTABILITY TIP

sync-instructions.sh
bash
# Maintain a single source of truth:
cp AI-INSTRUCTIONS.md CLAUDE.md
cp AI-INSTRUCTIONS.md .cursorrules
cp AI-INSTRUCTIONS.md AGENTS.md

SEE ALSO

File references:
agentconfig.ing2026-03-18COMPARE(1)