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
0 of the 4 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | InjectLabNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 27 | Red Team LLM LabWindows · Self-hosted | No signal | — | — | 1 of 6 | — | 5.1 |
| 28 | RedForgeNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 29 | HarmBenchLinux | No signal | — | — | 1 of 6 | — | 5.0 |
Compare all 4 in a table
| # | App | Score | Free plan | Free plan | Paid from | Prompt injection tests | Jailbreak tests |
|---|---|---|---|---|---|---|---|
| 26 | InjectLab | 5.1 | No | — | — | Yes | Yes |
| 27 | Red Team LLM Lab | 5.1 | No | Yes | — | Yes | Yes |
| 28 | RedForge | 5.1 | No | — | — | Yes | Yes |
| 29 | HarmBench | 5.0 | No | Yes | — | — | — |
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