Best AI Security Testing Tools in 2026
Updated
29 AI security testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
29ranked
0free plans on this page
7 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 Prompt Security AI Red Teaming No phone app RecognisedPhone appDocumentedFree plan 5.2 Prompt injection tests: YesJailbreak tests: YesData leakage tests: Yes
- 27 PromptRAID No phone app RecognisedPhone appDocumentedFree plan 5.2 Prompt injection tests: YesJailbreak tests: YesData leakage tests: No
- 28 RAMPART No phone app RecognisedPhone appDocumentedFree plan 5.2 Prompt injection tests: YesData leakage tests: Yes
- 29 HarmBench No phone app RecognisedPhone appDocumentedFree plan 4.9
Compare all 4 in a table
| # | App | Score | Free plan | Free plan | Paid from | Prompt injection tests | Jailbreak tests |
|---|---|---|---|---|---|---|---|
| 26 | Prompt Security AI Red Teaming | 5.2 | No | — | — | Yes | Yes |
| 27 | PromptRAID | 5.2 | No | — | — | Yes | Yes |
| 28 | RAMPART | 5.2 | No | — | — | Yes | — |
| 29 | HarmBench | 4.9 | No | Yes | — | — | — |
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