Cleanlab TLM vs PromptGround
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cleanlab TLM starts at See pricing page and PromptGround 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
- Trustworthiness scores
- Works with any LLM
- RAG and agent guardrails
- OpenAI-compatible API
- Private deployment option
- Prompt version tracking
- Live prompt editor
- One API key for many models
- Python and JavaScript SDKs
- Run logs and spend tracking
- Prompt variables
| Feature | Cleanlab TLM | PromptGround |
|---|---|---|
| Best for | API that scores how trustworthy each LLM response is in real time | Prompt versioning, testing and one API key for many models |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free trial | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No, trial available | Yes |
| Made by | Cleanlab | PromptGround |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Cleanlab TLM starts at See pricing page and PromptGround 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
Cleanlab TLM
- No training on your data needed
- Scores outputs from any model
- Detailed tutorials for common use cases
- Pricing not published in the docs
- Adds latency to each LLM call
- Aimed at developers, not end users
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
Which one should you choose?
Choose Cleanlab TLM if you want:
- No training on your data needed
- Scores outputs from any model
- Detailed tutorials for common use cases
Watch out: pricing not published in the docs.
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.
Cleanlab TLM vs PromptGround FAQ
What is the difference between Cleanlab TLM and PromptGround?
Cleanlab TLM: API that scores how trustworthy each LLM response is in real time. PromptGround: Prompt versioning, testing and one API key for many models. Both are models & apis tools.
Is Cleanlab TLM or PromptGround cheaper?
Cleanlab TLM starts at See pricing page and PromptGround starts at See pricing page. Check both pricing pages for current plans.
Do Cleanlab TLM and PromptGround have free plans?
Cleanlab TLM: No, trial available. PromptGround: Yes.
Who makes Cleanlab TLM?
Cleanlab TLM is made by Cleanlab, based in United States.
Who makes PromptGround?
PromptGround is made by PromptGround.
Which should I choose, Cleanlab TLM or PromptGround?
Choose Cleanlab TLM if you value no training on your data needed and scores outputs from any model. Choose PromptGround if you value one key covers several model providers and free team members and unlimited projects.