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
7 Oct 2026last checked
LLM Security Tools, ranked on how quickly a newcomer can get going. 0 of the 3 on this page can be tried for free.
- 26 Cloudflare Advanced Certificate ManagerPaid from $10/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 27 CyberSecEval
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 28 Prompt Security AI Red Teaming
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
Compare all 3 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Prompt injection defense | PII redaction |
|---|---|---|---|---|---|---|---|---|
| 26 | Cloudflare Advanced Certificate Manager | 5.6 | No | $10/mo | No | 10 /mo | — | — |
| 27 | CyberSecEval | 5.2 | No | — | Yes | — | — | — |
| 28 | Prompt Security AI Red Teaming | 5.0 | No | — | — | — | — | — |
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