agentconfig.ing
CodeRabbit vs OpenCodeUpdated 2026-03-18

SUMMARY

CodeRabbit (Platform) uses yaml configuration while OpenCode (CLI) uses markdown. They differ on 6 of 11 compared features. Both tools provide AI-assisted development but take different approaches to project configuration.

FEATURE COMPARISON

FeatureCodeRabbitOpenCode
Config formatyamlmarkdown
Hierarchy support✗✓
Global config✗✓
Project config✓✓
Subdirectory scoping✗✓
File inclusion / imports✗✗
Ignore file✗✗
IDE integrationPlatformCLI
Schema / structureunknownFree-form (Markdown)
Git committed✓✓
EncodingUTF-8UTF-8

FILE MAPPING

PurposeCodeRabbitOpenCode
Settings / configuration.coderabbit.yamlopencode.json

KEY DIFFERENCES

1. Config format

CodeRabbit: yaml. OpenCode: markdown.

2. Hierarchy support

CodeRabbit: Not supported. OpenCode: Supported.

3. Global config

CodeRabbit: Not supported. OpenCode: Supported.

4. Subdirectory scoping

CodeRabbit: Not supported. OpenCode: Supported.

5. IDE integration

CodeRabbit: Platform. OpenCode: CLI.

6. Schema / structure

CodeRabbit: unknown. OpenCode: Free-form (Markdown).

WHICH SHOULD I USE?

Recommendation

Choose based on your IDE/CLI preference. If you use CodeRabbit, configure .coderabbit.yaml. If you use OpenCode, configure AGENTS.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

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