Aider vs Cline: 2026 comparison
OSS terminal coding assistant — pair-programs, edits in place, commits as you go.
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
- Autonomy fit
- 8
- Capabilities
- 4
- Integrations
- 4
- Pricing value
- 10
- Polish & maturity
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 8
- Capabilities
- 6
- Integrations
- 4
- Pricing value
- 10
- Polish & maturity
- 8
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +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
- −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
- +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
- −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
- +Apache-2.0 license
- +BYO model key (any provider)
- +Voice mode, repo map, auto-commit
- +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.