kitio.aiOpenCode vs StackRender
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. StackRender 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
- Visual ER diagram editor
- AI schema assistant
- Incremental SQL migrations
- Rollback scripts
- SQL import
- Schema version history
| Feature | OpenCode | StackRender |
|---|---|---|
| Best for | Open-source, model-agnostic coding agent for the terminal | Visual database schema designer with AI and automatic SQL migrations |
| Category | Coding | Coding |
| Pricing model | Freemium | Free |
| Starting price | $10/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Anomaly Innovations | StackRender |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
StackRender 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
StackRender
- Supports six major databases
- Migrations generated for you
- Code available on GitHub
- Pricing and limits not stated
- Focused on relational databases only
- Small project compared to big ER tools
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 StackRender if you want:
- Supports six major databases
- Migrations generated for you
- Code available on GitHub
Watch out: pricing and limits not stated.
OpenCode vs StackRender FAQ
What is the difference between OpenCode and StackRender?
OpenCode: Open-source, model-agnostic coding agent for the terminal. StackRender: Visual database schema designer with AI and automatic SQL migrations. Both are coding tools.
Is OpenCode or StackRender cheaper?
StackRender is completely free, while OpenCode is freemium.
Do OpenCode and StackRender have free plans?
OpenCode: Yes. StackRender: Yes, fully free.
Who makes OpenCode?
OpenCode is made by Anomaly Innovations, based in United States.
Who makes StackRender?
StackRender is made by StackRender.
Which should I choose, OpenCode or StackRender?
Choose OpenCode if you value free and open source and uses plans you already pay for. Choose StackRender if you value supports six major databases and migrations generated for you.