# Click fraud protection: what AI models recommend, October 2026

GTM AI Recommendation Index, October 2026 Edition. Asked as "click fraud protection tool" and as "invalid ad traffic blocker", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Added to the October 2026 Edition on October 4, 2026; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://gtm-ai-index.com/marketing/click-fraud-protection/

**Standing:** ClickCease leads with 36% of first choices; verdict contested. 50 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | ClickCease | 36% | 12% | 57 |
| 2 | Lunio | 20% | 7% | 42 |
| 3 | Fraud Blocker | 8% | 9% | 34 |
| 4 | Clixtell | 6% | 15% | 13 |
| 5 | Cheq | 4% | 11% | 27 |
| 6 | ClickPatrol | 4% | 5% | 22 |
| 7 | TrafficGuard | 2% | 3% | 30 |
| 8 | ClickGUARD | 2% | 23% | 35 |
| 9 | ClickGuardian | 2% | 20% | 10 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Lunio; alternatives ClickCease, ClickGUARD, TrafficGuard
- GPT-5.4 mini: ClickCease; alternatives Lunio
- Gemini 3.5 Flash: Lunio; alternatives Fraud Blocker, TrafficGuard
- Perplexity Sonar: Lunio; alternatives ClickCease, ClickGUARD, TrafficGuard
- Grok 4.1 Fast: ClickCease; alternatives ClickGUARD, Lunio
- Mistral Small: ClickCease; alternatives Fraud Blocker, Spider AF
- DeepSeek V4 Flash: ClickCease; alternatives ClickGUARD, Lunio, TrafficGuard
- Llama 4 Maverick: ClickCease; alternatives Fraud Blocker
- Qwen 3.7 Flash: Lunio; alternatives ClickCease, ClickGUARD
- Kimi K2: ClickCease; alternatives ClickGuardian, TrafficGuard
- GLM 4.7 FlashX: ClickCease; alternatives ClickGUARD, ClickPatrol, TrafficGuard
- MiniMax M2.5: AdWatcher, ClickCease; alternatives ClickPatrol
- GPT-6 Luna: ClickCease; alternatives Lunio
- Muse Glimmer 30B: ClickCease; alternatives Clixtell, Lunio, TrafficGuard

## Sources the answers cite

77 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- lunio.ai: 50 answers, 75 citations
- guideflow.com: 48 answers, 48 citations
- clickpatrol.com: 41 answers, 80 citations
- clickcease.com: 35 answers, 62 citations
- thecmo.com: 31 answers, 31 citations
- trafficguard.ai: 29 answers, 37 citations
- improvado.io: 28 answers, 28 citations
- g2.com: 25 answers, 43 citations

Pages named in the most answers:

- https://guideflow.com/blog/best-click-fraud-software (48 answers)
- https://lunio.ai/blog/the-9-best-click-fraud-detection-tools-ranked (40 answers)
- https://clickpatrol.com/best-click-fraud-protection-software (32 answers)
- https://thecmo.com/tools/best-click-fraud-software (31 answers)
- https://improvado.io/blog/best-ad-fraud-detection-software (27 answers)
- https://trafficguard.ai/blog/best-click-fraud-protection-software-protect-your-ppc-campaigns (26 answers)
- https://cometly.com/post/ad-fraud-detection-software (18 answers)
- https://mailmodo.com/marketing-stash/click-fraud-software (18 answers)
- https://clickcease.com/ (16 answers)
- https://g2.com/categories/click-fraud (16 answers)

## Warned against

- ClickGUARD: 8 of 35 labels negative. "Avoid or be cautious with ClickGuard and any free or low-cost tools that rely solely on basic filters or manual rules." (Mistral Small, negative prompt)
- ClickCease: 7 of 57 labels negative. "Why we do NOT recommend basic tools like ClickCease for Mid-Market B2B" (Gemini 3.5 Flash, direct prompt)
- Fraud Blocker: 3 of 34 labels negative. "Fraud Blocker lacks Microsoft Ads coverage; watch for channel gaps matching your needs" (Grok 4.1 Fast, negative prompt)
- Lunio: 3 of 42 labels negative. "Percentage-of-ad-spend pricing — the more your campaigns grow, the more you pay, which becomes increasingly expensive at scale." (DeepSeek V4 Flash, negative prompt)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, October 2026 Edition, gtm-ai-index.com.