Aider vs Cline
Cline scores 7.2 to Aider's 6.4 among the AI coding assistants we rate, and is the better pick for 2 of the 4 kinds of buyer below.
Cline wins, 7.2 to 6.4
Cline works inside VS Code, JetBrains and its own editor as well as the CLI; Aider runs only in the CLI. Cline can review pull requests through a documented CLI and GitHub Actions workflow, which Aider does not do at all. Both are free and open source, and both let you run models on your own machine through Ollama or LM Studio.
Pick Aider if you only need a terminal tool and want the widest model choice.
Pick Cline if you want an editor extension that can also review pull requests.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
- Reviews pull requests: Cline yes, Aider no
- AI model families you can choose: Claude, gpt, gemini, grok, deepseek against Claude, gpt, gemini
- Editors and terminals it works in: Cli, vscode, jetbrains, own editor against Cli
How they score
Both are scored the same way, against the other AI coding assistants we rate, from facts on each vendor's own pages. They split the criteria 2 each, with the rest level.
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
Published by only one of them
Where they match (11)
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
AAider
Cline
Cline does not publish a plan list we could read.
Pros and cons
From each tool's full review, written from the same checked facts.
AAider
- Terminal-native interface keeps workflow focused with no browser tabs or sidebar widgets cluttering the experience.
- Works with multiple LLMs including Claude 3.7 Sonnet, OpenAI o1, and DeepSeek R1, giving users cost and performance flexibility.
- Repo map feature indexes the entire codebase before prompting, enabling multi-file edits with structural context most competitors lack.
- Automatic git commits with sensible messages mean every AI-generated change is tracked, diffable, and fully reversible.
- Linting and auto-testing loop lets Aider run your test suite after each change and attempt self-correction before surfacing results.
- Completely free to run with no SaaS subscription — you bring your own API keys and pay only for model usage.
- Handles multi-file refactoring, feature generation, and bug fixes triggered by failing tests through a single plain-language chat interface.
- No inline autocomplete or tab-complete behavior, which will disappoint developers expecting a GitHub Copilot-style experience.
- Terminal-native design means it won't suit developers who prefer GUI-based or IDE-integrated tools like Cursor.
- Requires managing your own API keys and understanding LLM provider costs, adding setup friction for less technical users.
- The opinionated minimal design means it either clicks immediately or feels like the wrong tool entirely — limited middle ground.
- Larger codebases may experience slower or more expensive interactions due to repo map indexing consuming context window and API tokens.
- Community feedback and Reddit threads are primary documentation sources, suggesting official support resources may be limited.
Cline
- Fully open-source runtime gives developers complete control over the underlying model and infrastructure.
- Model-agnostic architecture supports GPT-4o, Claude, and open-weights models, avoiding vendor lock-in.
- Runs as a VS Code extension, a global CLI via npm, and an embeddable SDK, offering flexible deployment options.
- The SDK layer is unusual in this category, allowing developers to embed Cline into their own products.
- Cross-platform CLI support on macOS, Windows, and Linux suits mixed-environment engineering teams.
- Codebase indexing allows Cline to navigate and understand existing code rather than treating each session as a blank slate.
- Agentic workflow handles end-to-end tasks including code generation, refactoring, debugging, and test generation — not just autocomplete.
- ClinePass provides managed access to open-weights models for developers who don't want to manage their own API keys and infrastructure.
- No structured review platform presence on G2 or Capterra makes it difficult to verify user satisfaction data independently.
- The reported 8 million developer user figure comes from the homepage and has not been independently audited.
- The tool requires developers to manage their own API keys and model infrastructure unless they pay for ClinePass.
- As a 2024-founded product, long-term reliability and enterprise support track records are not yet established.
- The breadth of configuration options and model choices may overwhelm developers who want a simpler, opinionated setup.
Aider vs Cline: common questions
Which is better, Aider or Cline?
Cline scores 7.2 and Aider 6.4 out of 10 among the AI coding assistants we rate. Cline is ahead on agents and your codebase and where it works. Aider is ahead on model freedom and privacy and security.
Is Aider or Cline cheaper?
Aider's cheapest paid plan is Free — Open Source and Cline's is Free for individuals. Compare what each plan includes below before going on price alone.
Do Aider and Cline have a free plan?
Yes, both do.
What can Cline do that Aider cannot?
On the facts both vendors publish: reviews pull requests.