リファクタリング、監査、移行のための OpenAI のオープンソースターミナルエージェントです。
コード実行ツール利用
Demo · hover to play
Aider vs Clinewhich AI code agent should you pick in 2026?
OSS terminal coding assistant — pair-programs, edits in place, commits as you go.
CodeTool use
Aider vs Cline — specs
| Spec | Aider | Cline |
|---|---|---|
| Agent Rank | 70 / 100 (B) | 77 / 100 (A) |
| Autonomy | Semi-autonomous | Semi-autonomous |
| Pricing | Free · OSS | Free · OSS |
| Open source | Yes | Yes |
| Capabilities | Code, Tool use | Code, Tool use, Browser |
| Integrations | 2 apps | 2 apps |
| Verified | Verified | Verified |
| Released | Jan 2025 | May 2025 |
Agent Rank breakdown
Aider
Agent Rank
70/ 100
- 自律性
- 8
- 機能
- 4
- 連携
- 4
- 料金
- 10
- 完成度
- 6
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Cline
Agent Rank
77/ 100
- 自律性
- 8
- 機能
- 6
- 連携
- 4
- 料金
- 10
- 完成度
- 8
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Pros & cons
Aider
メリット
- +Best-in-class pair-programming flow in the terminal
- +Repo map mode handles surprisingly large codebases
- +Provider-agnostic — bring any LLM that supports tool use
デメリット
- −No UI — pure CLI is a deal-breaker for some teams
- −Token spend at heavy use rivals a paid SaaS plan
- −Less polished autonomy than Devin or Replit Agent
Cline
メリット
- +Full transparency — every tool call and reasoning step visible
- +Bring-your-own model key keeps proprietary code on your network
- +Active OSS community, weekly releases
デメリット
- −You manage the API key + token spend ($40–120/mo at daily use)
- −Less polished editor UX than Cursor
- −Plan-then-execute mode requires manual gating each turn
Pricing
Aider
Open source
無料
Everyone
- +Apache-2.0 license
- +BYO model key (any provider)
- +Voice mode, repo map, auto-commit
Cline
Open source
無料
Everyone
- +Full extension free under MIT
- +BYO model API key
- +All tools and approval modes
- +Self-host friendly
Which one should you pick?
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Frequently asked
Should I pick Aider or Cline in 2026?+
Pick Aider if its specific capabilities (Code, Tool use) match what you need. Pick Cline if its specific capabilities (Code, Tool use) match what you need. Most working teams running both can use Aider for primary work and Cline for the workflows where its specific strengths matter.
What's the price difference between Aider and Cline?+
Both Aider and Cline start in the same pricing range (Free · OSS vs Free · OSS). Total cost of ownership depends on your team size and volume — see the TCO calculator for your specific math.
Which is more autonomous, Aider or Cline?+
Both Aider and Cline are Semi-autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
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コード実行ツール利用メモリDemo · hover to play
See more alternatives: alternatives to Aider · alternatives to Cline
Want the real monthly cost at your volume? Run the TCO calculator →
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