PearAI vs TabnineUpdated 2026-03-16

SUMMARY

PearAI (Editor) uses markdown configuration while Tabnine (IDE) uses markdown. They differ on 1 of 11 compared features. Both tools provide AI-assisted development but take different approaches to project configuration.

FEATURE COMPARISON

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

FILE MAPPING

PurposePearAITabnine
Project instructionsAGENTS.md.tabnine/guidelines/*.md

SIDE-BY-SIDE CODE SAMPLES

PearAI
.pearai/rules
markdown
# PearAI Project Rules

## Framework
- Next.js 15 App Router with TypeScript
- Drizzle ORM with PostgreSQL
- TailwindCSS v4 for styling

## Patterns
- Use server actions for mutations
- Colocate loading.tsx and error.tsx with page routes
- Prefer RSC; add "use client" only when needed

## Naming
- Components: PascalCase (UserProfile.tsx)
- Utilities: camelCase (formatDate.ts)
- Database tables: snake_case

## Dependencies
- Do NOT add new dependencies without asking
- Use date-fns for date manipulation
- Use zod for all validation

## Commands
- Dev: pnpm dev
- Build: pnpm build
- Lint: pnpm lint

Tabnine
.tabnine/guidelines/*.md
markdown
# Application Guidelines

## Architecture
- This is a monorepo managed with Turborepo
- Apps: web (Next.js), api (Express), mobile (React Native)
- Shared packages: ui, config, types

## Code Standards
- TypeScript strict mode in all packages
- Use barrel exports (index.ts) for public APIs
- No default exports; use named exports everywhere
- Prefer async/await over raw Promises

## API Design
- RESTful endpoints follow /api/v1/{resource} pattern
- All responses use { data, error, meta } envelope
- Validate request bodies with Zod schemas
- Return 4xx for client errors, 5xx for server errors

## Database
- Use Prisma ORM for all database operations
- Migrations checked into source control
- Soft-delete pattern: use deletedAt timestamp, never hard delete
- All timestamps stored as UTC

## Testing
- Jest for unit tests, Playwright for E2E
- Test files colocated: foo.ts -> foo.test.ts
- Mock external services, never call real APIs in tests

KEY DIFFERENCES

1. IDE integration

PearAI: Editor. Tabnine: Supported.

WHICH SHOULD I USE?

Recommendation

Choose based on your IDE/CLI preference. If you use PearAI, configure .pearai/rules. If you use Tabnine, configure .tabnine/guidelines/*.md. 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.ing2026-03-16COMPARE(1)