kitio.aiPromptGround vs prst.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. PromptGround starts at See pricing page and prst.ai starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Prompt version tracking
- Live prompt editor
- One API key for many models
- Python and JavaScript SDKs
- Run logs and spend tracking
- Prompt variables
- No-code prompt management
- Prompt versioning and A/B tests
- Custom AI connectors
- Usage-based pricing rules
- Feedback widgets with sentiment analysis
- Self-hosted install
| Feature | PromptGround | prst.ai |
|---|---|---|
| Best for | Prompt versioning, testing and one API key for many models | Self-hosted gateway for managing prompts and AI connectors in your app |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | PromptGround | prst.ai |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
PromptGround starts at See pricing page and prst.ai starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
PromptGround
- One key covers several model providers
- Free team members and unlimited projects
- Per-run logs show token use and cost
- Paid plan prices are not shown on the homepage
- Only Python and JavaScript SDKs are listed
- Free tier is a one-time token allowance
prst.ai
- Data stays on your own servers
- Built-in A/B testing for prompts
- Works with any AI service via API
- Paid tiers aren't explained in the evidence
- Self-hosting needs your own infrastructure
- Sparse public documentation of limits
Which one should you choose?
Choose PromptGround if you want:
- One key covers several model providers
- Free team members and unlimited projects
- Per-run logs show token use and cost
Watch out: paid plan prices are not shown on the homepage.
Choose prst.ai if you want:
- Data stays on your own servers
- Built-in A/B testing for prompts
- Works with any AI service via API
Watch out: paid tiers aren't explained in the evidence.
PromptGround vs prst.ai FAQ
What is the difference between PromptGround and prst.ai?
PromptGround: Prompt versioning, testing and one API key for many models. prst.ai: Self-hosted gateway for managing prompts and AI connectors in your app. Both are models & apis tools.
Is PromptGround or prst.ai cheaper?
PromptGround starts at See pricing page and prst.ai starts at See pricing page. Check both pricing pages for current plans.
Do PromptGround and prst.ai have free plans?
PromptGround: Yes. prst.ai: Yes.
Who makes PromptGround?
PromptGround is made by PromptGround.
Who makes prst.ai?
prst.ai is made by prst.ai.
Which should I choose, PromptGround or prst.ai?
Choose PromptGround if you value one key covers several model providers and free team members and unlimited projects. Choose prst.ai if you value data stays on your own servers and built-in a/b testing for prompts.