Free web
Free source (opens in a new tab)
Monthly
For: Occasional use
Limits
- 10 improvements per week
Includes
- Unlimited private templates
- Community template library
1 more
- Unlimited history
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Our take: Prompt Sloth is worth installing if you often rewrite rough prompts in ChatGPT, Claude or Gemini and want reusable templates behind a // shortcut.
Main limitation: The free plan allows only 10 improvements per week; advanced models and context memory require Pro.
Who Prompt Sloth fits
Prompt Sloth is worth installing if you often rewrite rough prompts in ChatGPT, Claude or Gemini and want reusable templates behind a // shortcut. Based on the vendor's documentation, not on a hands-on test.
Best for: Frequent AI chat users
Also a good fit for
- Professionals reusing prompt templates
Consider another tool if free plan limited to 10 improvements per week
Or if
- Advanced models and context memory only on Pro
- Desktop app is early access
Prompt Sloth pricing and usage limits
Prices checked Oct 2, 2026 on the official US pricing page. Official pricing ↗ Prices and limits change often.
Free access and trial conditions
Free plan forever with 10 weekly improvements.
None stated.
Paid plans: what changes as you upgrade
Pro (yearly) web
$3.33 source (opens in a new tab)
Monthly, annual commitment
$39.99 billed annually; monthly price shown on page is per-month equivalent.
For: Daily prompt writers
Includes
- Unlimited improvements
- Advanced AI models
2 more
- Context memory
- Priority support
Lifetime Pro web
$149 source (opens in a new tab)
One_time
For: Long-term users
Includes
- All current and future Pro features
- No renewals
Usage caps, credits and extra costs
None stated.
Not stated.
What is Prompt Sloth, and how does it work?
Prompt Sloth adds an improve button inside AI chat tools that rewrites a rough prompt into a structured one, adding role, context, constraints and format. It also offers a template library triggered with a // shortcut and personal saved templates synced across devices.
What you provide and what you get back
You provide
- Rough prompt typed in an AI chat box
- Saved template text
You get back
- Structured improved prompt
- Inserted template text
Where you can use it
- Platforms
- chrome_extension
- Account
- Required
- Platform
- Chrome extension source (opens in a new tab)
- Template library
- 2,000+ source (opens in a new tab)
- Weekly free improvements
- 10 source (opens in a new tab)
- Desktop app
- Waitlist source (opens in a new tab)
What people use Prompt Sloth for
Scenarios are worked out by our editors from the documentation; the actual result depends on your input and plan.
Rewriting rough prompts
- Who
- Frequent AI chat users
- You provide
- Short rough prompt
- Expected result
- Prompt with role, context, constraints and format added
- Plan needed
- Free or Pro
- Limitation
- 10 improvements a week on Free source (opens in a new tab)
Reusing proposal and email templates
- Who
- Consultants and sales staff
- You provide
- // shortcut
- Expected result
- Pre-written proposal or follow-up text
- Plan needed
- Free
- Limitation
- Library is community-made source (opens in a new tab)
Saving prompts with client terminology
- Who
- Agency and freelance workers
- You provide
- Own scope language
- Expected result
- Private template synced across devices
- Plan needed
- Free
- Limitation
- Stored under your account source (opens in a new tab)
What Prompt Sloth does, and where it stops
One-click prompt improvement
Rewrites your prompt in the chat box, adding missing role, context, constraints and output format. Cuts the time spent drafting detailed prompts.
// template shortcut
Opens a template picker when you type // in the prompt field. Speeds reuse of standard prompts.
2,000+ templates
Provides over 2,000 shared templates for proposals, briefs and reports. Saves starting from scratch.
Private templates
Stores your own templates encrypted under your account and synced. Keeps client wording consistent.
Pros, cons and deal-breakers
Where Prompt Sloth is strong
- Free plan with no sign-up stated for the extension You can try it for nothing. documented source (opens in a new tab)
- Works across ChatGPT, Claude, Gemini and more It works inside the tool you already use. documented source (opens in a new tab)
- One-time Lifetime Pro option A one-time option avoids subscriptions. documented source (opens in a new tab)
Limitations to check before paying
- Free plan limited to 10 improvements per week Heavy users hit the weekly cap quickly. documented source (opens in a new tab)
- Advanced models and context memory only on Pro Smarter suggestions require paying. documented source (opens in a new tab)
- Desktop app is early access The desktop app is still waitlist-only. documented source (opens in a new tab)
How to use Prompt Sloth for improving AI prompts
Set up Prompt Sloth
- Add the extension from the Chrome Web Store.
- Open ChatGPT, Claude or Gemini.
- Sign in with Google if prompted.
Example: improving AI prompts
- Type a short request in the chat box.
- Click the improve button.
- Review the structured prompt.
- Send it, or type // to insert a template.
Review and export the result
- Confirm your facts were kept.
- Check the remaining weekly improvements.
write a follow-up email to a client about the delayed project
Prompt Sloth API
API access and separate billing
Prompt Sloth has no public API in its official documentation. Not mentioned.
Privacy, data use and commercial rights
Summarized from the vendor's current policies; this is not legal advice and a vendor's badge is not an independent audit.
How your inputs and outputs are handled
Prompts you improve are encrypted and stored in your history.
Pricing FAQ includes a question on training; the answer text is not in the fetched page.
History kept; stored encrypted.
Controls for business users
- Encrypted history
- Private templates
Prompt Sloth alternatives by need
"Better suited" is based on documented features and pricing, not on a head-to-head test.
ChatGPT: better suited to
Claude: better suited to
Explore Prompt Sloth further
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Prompt Sloth FAQ
How many improvements does Prompt Sloth Free allow?
10 per week, with unlimited private templates and history.
What does Prompt Sloth Lifetime Pro cost?
$149 one time, shown against a struck $249, with all current and future Pro features.
Which tools does Prompt Sloth work with?
ChatGPT, Claude, Gemini and 20+ more AI tools per the homepage.
How do I insert a Prompt Sloth template?
Type // in the prompt box to open the 2,000+ template library.
Is the Prompt Sloth desktop app available?
It is in development; an early-access waitlist is open.
Sources and review methodology
Official sources and verification dates
- Prompt Sloth homepage homepage · checked Oct 2, 2026
- Prompt Sloth pricing pricing · checked Oct 2, 2026
Not verified: Answers to the pricing FAQ questions not captured.; Supported browsers other than Chrome not stated.; Page not available: https://promptsloth.com/privacy; Page not available: https://promptsloth.com/docs.
How we documented and maintain this page
Every fact about Prompt Sloth above comes from the 2 official pages listed here, last compared on Oct 2, 2026; we have not run Prompt Sloth ourselves, so it has no editorial score. How we check and re-check pages.
Article updated Oct 2, 2026; prices checked Oct 2, 2026. Outbound links to vendors are plain links; we do not earn commissions. How we review · Report an error