kitio.aiOpenCode vs Aider
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Aider is completely free, while OpenCode is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Terminal UI
- LSP-aware context
- 75+ model providers
- Custom agents
- Desktop client
- Repository map
- Automatic git commits
- Architect mode
- Voice coding
- Any LLM provider
| Feature | OpenCode | Aider |
|---|---|---|
| Best for | Open-source, model-agnostic coding agent for the terminal | Open-source AI pair programming in your terminal |
| Category | Coding | Coding |
| Pricing model | Freemium | Free |
| Starting price | $10/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Anomaly Innovations | Paul Gauthier |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Aider is completely free, while OpenCode is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Open source
Free
- Free coding agent
- Bring your own model keys
Go
$10/mo
- Subscription access to coding models
Zen
Pay-as-you-go
- Curated models billed per token
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OpenCode
- Free and open source
- Uses plans you already pay for
- Fast, well-designed TUI
- You choose and tune models yourself
- Some providers limit third-party access
Aider
- Completely free and open source
- Clean git history of AI edits
- Works with almost any model
- Few new features since 2025
- Terminal-only workflow
Which one should you choose?
Choose OpenCode if you want:
- Free and open source
- Uses plans you already pay for
- Fast, well-designed TUI
Watch out: you choose and tune models yourself.
Choose Aider if you want:
- Completely free and open source
- Clean git history of AI edits
- Works with almost any model
Watch out: few new features since 2025.
OpenCode vs Aider FAQ
What is the difference between OpenCode and Aider?
OpenCode: Open-source, model-agnostic coding agent for the terminal. Aider: Open-source AI pair programming in your terminal. Both are coding tools.
Is OpenCode or Aider cheaper?
Aider is completely free, while OpenCode is freemium.
Do OpenCode and Aider have free plans?
OpenCode: Yes. Aider: Yes, fully free.
Who makes OpenCode?
OpenCode is made by Anomaly Innovations, based in United States.
Who makes Aider?
Aider is made by Paul Gauthier, based in United States.
Which should I choose, OpenCode or Aider?
Choose OpenCode if you value free and open source and uses plans you already pay for. Choose Aider if you value completely free and open source and clean git history of ai edits.