Best LLM Security Tools in 2026
Updated
28 LLM security tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
28ranked
0free plans on this page
$10/molowest paid tier
9 Oct 2026last checked
LLM Security Tools in tiers by the score this site gives them, S at the top. 0 of the 3 on this page have an Android app.
Compare all 3 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Prompt injection defense | PII redaction |
|---|---|---|---|---|---|---|---|---|
| 26 | Cloudflare Advanced Certificate Manager | 5.5 | No | $10/mo | No | 10 /mo | — | — |
| 27 | Vigil Guard | 5.5 | No | — | — | — | Yes | Yes |
| 28 | Prompt Security AI Red Teaming | 4.9 | No | — | — | — | — | — |
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