Best AI Prompt Generators in 2026
Updated
30 AI prompt generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
30ranked
0free plans on this page
9 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 Pythia No phone app RecognisedPhone appDocumentedFree plan 5.6 Model support: customOptimization mode: automated
- 27 Amazon Bedrock Prompt Management No phone app RecognisedPhone appDocumentedFree plan 5.4 Model support: multipleOptimization mode: automatedPrompt variables: Yes
- 28 Promptimal No phone app RecognisedPhone appDocumentedFree plan 5.3 Model support: singleOptimization mode: automated
- 29 Vertex AI Prompt Optimizer No phone app RecognisedPhone appDocumentedFree plan 5.3 Model support: customOptimization mode: automated
- 30 PromptSource No phone app RecognisedPhone appDocumentedFree plan 4.9
Compare all 5 in a table
| # | App | Score | Free plan | Free plan | Paid from | Model support | Optimization mode |
|---|---|---|---|---|---|---|---|
| 26 | Pythia | 5.6 | No | — | — | custom | automated |
| 27 | Amazon Bedrock Prompt Management | 5.4 | No | — | — | multiple | automated |
| 28 | Promptimal | 5.3 | No | — | — | single | automated |
| 29 | Vertex AI Prompt Optimizer | 5.3 | No | — | — | custom | automated |
| 30 | PromptSource | 4.9 | No | — | — | — | — |