Aider vs Cline

Aider

Coding

Cline

Coding

Tagline

Aider

Terminal-based AI pair programmer that writes commits.

Cline

Open-source agentic coding assistant that plans, edits, and runs code inside your IDE

Pricing

Aider

Free· Free / open-source; you pay the underlying LLM API costs

Cline

Freemium· ClinePass: $9.99/month

Lowest paid tier

Aider

—

Cline

$9.99 · ClinePass

captured 2026-08-08

Free trial

Aider

Not listed

Cline

Yes

API

Aider

Not listed

Cline

Yes

Platforms

Aider

cli

Cline

apicliweblinuxmacoswindowsslackdiscordjetbrains-pluginvscode-extension

Open source

Aider

Not listed · Apache-2.0

Cline

Yes · Apache-2.0

GitHub stars

Aider

49,282

checked 2026-09-29

Cline

69,573

checked 2026-09-29

Last GitHub push

Aider

2026-05-22

Cline

2026-09-29

First commit

Aider

2023-05

Cline

2024-07

Model used

Aider

BYO (Claude / GPT-4 / Gemini / DeepSeek)

Cline

Model-agnostic: Claude (Anthropic), GPT (OpenAI), Gemini (Google), DeepSeek, Grok, Mistral, Cerebras, plus local Ollama/LM Studio

Best for

Aider

Pick Aider if you live in the terminal, value clean git history, and want full control of the underlying model.

Cline

Developers and engineering teams who want a powerful open-source agentic coding assistant inside their existing IDE, with full control over which model provider and API key are used.

Not for

Aider

Skip it if you prefer a GUI/IDE workflow or you don't want to manage API billing.

Cline

Non-technical users, teams that want a fully managed all-in-one subscription with hosted models, or shops that require zero configuration and no API key management.

Editorial score

Aider

8.4 / 10

Cline

8.7 / 10

Use cases

Aider

CLIgit workflowopen-source

Cline

Multi-file feature scaffoldingLarge-scale refactorsAPI migrationsUnit and integration test generationDebugging failing CI runsCodebase exploration and documentationPrototyping with local LLMs via OllamaMCP-driven browser and database automationLegacy code modernizationAgentic tasks inside CI pipelines

Pros

Aider

• Free and open source
• Writes proper commits
• Composes well with shell workflows
• BYO model

Cline

• Truly model-agnostic — bring your own Claude, GPT, Gemini, DeepSeek, Grok, Mistral, or local Ollama/LM Studio key
• Open source under Apache 2.0 with an active contributor community and no vendor lock-in
• Plan/Act mode plus per-step approval and checkpoints give strong human-in-the-loop control
• First-class MCP support means it can drive browsers, databases, and third-party APIs, not just edit files
• .clinerules let teams codify project conventions the agent must honour
• Runs in VS Code, JetBrains, Cursor, Windsurf, and headless via CLI/SDK for CI use
• Transparent cost model — you pay upstream model providers directly, no markup subscription required

Cons

Aider

• No IDE UI
• Needs BYO API key

Cline

• Token spend can escalate quickly on long agentic runs, especially with Claude Opus or GPT-4-class models
• No hosted model included in the free tier — you must supply API keys or set up ClinePass
• Quality is bounded by whichever model you plug in; weaker models produce noticeably worse plans
• Enterprise features (SSO, RBAC, JetBrains extension, audit logs) are gated behind a sales conversation
• Autonomous multi-file edits still need careful review on large legacy codebases to avoid regressions

Website

Aider

aider.chat

Cline

cline.bot

Editorial score: rule-based, 0–10, from AI-assisted profile inputs (see /methodology) — not a user rating; “—” means unscored. “Not listed” means we have no record of it, not that it is absent. GitHub figures and prices carry the date they were checked or captured; prices are shown as published, unconverted.