kitio.aiVisual Studio Code vs Tessl
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Visual Studio Code is completely free, while Tessl is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI agents that plan and code
- Model selection
- MCP support
- Extension marketplace
- Integrated terminal and debugger
- Web version
- Skills and plugin registry
- Skill activation analytics
- Before-and-after evals
- Tessl agent
- Spending limits
- Self-hosted option
| Feature | Visual Studio Code | Tessl |
|---|---|---|
| Best for | Free open-source editor with built-in AI agents for coding | Registry and evals for the skills and context coding agents use |
| Category | Coding | Coding |
| Pricing model | Free | Freemium |
| Starting price | Free | $100/mo |
| Free plan | Yes, fully free | Yes |
| Made by | Microsoft | Tessl |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Visual Studio Code is completely free, while Tessl is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 1,000 credits per month
- Tessl agent
- Unlimited skills and plugins
- Single workspace
Team
$100/mo
- 5,000 credits per month
- Role management
- Pay-as-you-go beyond credits
Enterprise
Custom
- Bring your own LLM
- Self-hosted deployment
- SLAs and priority support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Visual Studio Code
- Free and open source
- Huge extension ecosystem
- Runs on all major desktop systems
- Heavier than lightweight editors
- AI features may need separate model access
- Extensions vary in quality
Tessl
- Free plan with 1,000 credits a month
- Evals catch skill regressions
- One registry across the org
- Team plan starts at $100 a month
- Frontier models burn credits faster
- Useful mainly for teams already using agents
Which one should you choose?
Choose Visual Studio Code if you want:
- Free and open source
- Huge extension ecosystem
- Runs on all major desktop systems
Watch out: heavier than lightweight editors.
Choose Tessl if you want:
- Free plan with 1,000 credits a month
- Evals catch skill regressions
- One registry across the org
Watch out: team plan starts at $100 a month.
Visual Studio Code vs Tessl FAQ
What is the difference between Visual Studio Code and Tessl?
Visual Studio Code: Free open-source editor with built-in AI agents for coding. Tessl: Registry and evals for the skills and context coding agents use. Both are coding tools.
Is Visual Studio Code or Tessl cheaper?
Visual Studio Code is completely free, while Tessl is freemium.
Do Visual Studio Code and Tessl have free plans?
Visual Studio Code: Yes, fully free. Tessl: Yes.
Who makes Visual Studio Code?
Visual Studio Code is made by Microsoft, based in United States.
Who makes Tessl?
Tessl is made by Tessl, based in United Kingdom.
Which should I choose, Visual Studio Code or Tessl?
Choose Visual Studio Code if you value free and open source and huge extension ecosystem. Choose Tessl if you value free plan with 1,000 credits a month and evals catch skill regressions.