Best AI Prompt Generators in 2026
Updated
In short: Vellum is ranked #1 of 29 as of 4 October 2026, ahead of PromptWizard and VantagePrompt. The best-ranked option with a free plan is PromptWizard. The lowest first paid tier on this page is VantagePrompt at $3/mo.
For work that involves creating and refining prompts for AI models, these tools can be compared by model support, optimization mode, and prompt testing. Prompt variables and template limits may matter when you want to adapt or reuse prompts, while API access and team collaboration speak to workflow needs. Check free-plan availability and the “Paid from” detail alongside those features. Agenta leads the ranking, with ProofHound and PromptLayer next; PromptEval, MLflow Prompt Optimization, and Promptitude are also among the first entries. Consider which listed capabilities align with the models and prompt tasks you want to support.
29 AI prompt generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Vellum Top pick · 7.4 Free plan · $30/mo
#2 PromptWizard Runner-up · 7.3 Free plan · Free
#3 VantagePrompt Also great · 7.0 Free plan · $3/mo- Free plan AndroidextensioniOSmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 30 /mo
RecognisedDocumentedFree planPlatforms$30/mofirst paid tier About VellumVisit site - Free plan apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- automated
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Free plan Web
- Free plan
- Yes
- Paid from
- 3 /mo
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$3/mofirst paid tier About VantagePromptVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 29 /mo
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About AgentaVisit site - Free plan apiWeb
- Free plan
- Yes
- Paid from
- 9 /mo
- Model support
- single
- Optimization mode
- assisted
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About PromptEvalVisit site - Free plan apiWeb
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms€149/mofirst paid tier About PrompticVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 39 /mo
- Model support
- multiple
- Optimization mode
- assisted
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$39/mofirst paid tier About PromptitudeVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 6 /mo
- Model support
- multiple
- Optimization mode
- assisted
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$6/mofirst paid tier About PromptotypeVisit site - Free trial apiWeb
- Model support
- custom
- Optimization mode
- automated
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Free plan apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 99 /mo
- Model support
- multiple
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$99/mofirst paid tier About LatitudeVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Free plan apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 49 /mo
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$49/mofirst paid tier About PromptLayerVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About ProofHoundVisit site - LinuxWindowsmacOS
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- assisted
- Prompt variables
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - api
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Model support
- custom
- Optimization mode
- manual
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- assisted
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Model support
- multiple
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Linux
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms -
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- automated
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Model support
- multiple
- Optimization mode
- automated
- Prompt variables
- Yes
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Model support
- multiple
- Optimization mode
- automated
- Prompt testing
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Optimization mode
- automated
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI prompt generator is ranked first on Everything Xiaomi?
Vellum is ranked #1 of 29 with a score of 7.4. PromptWizard is second and VantagePrompt third.
How many of these have a free plan?
12 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, VantagePrompt has the lowest first paid tier we found: $3/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.