# UnderDefense vs Bugcrowd: which do AI models recommend for ptaas, October 2026

IT AI Recommendation Index, October 2026 Edition, Penetration testing as a service. Two of fourteen models named UnderDefense first on the direct prompt; zero named Bugcrowd. Page: https://it-ai-index.com/security/penetration-testing-as-a-service/underdefense-vs-bugcrowd/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| UnderDefense | 4% | #5 of 10 | 0% | 11 | 7 of 14 |
| Bugcrowd | 2% | #7 of 10 | 17% | 12 | 10 of 14 |

## The direct prompt, model by model

- GLM 4.7 FlashX: underdefense first (first choices: Cobalt, UnderDefense) (alternatives: BreachLock, NetSPI, Packetlabs)
- MiniMax M2.5: underdefense first (first choices: BreachLock, UnderDefense) (alternatives: Raxis, Synack)
- Gemini 3.5 Flash: neither first, one named (first choices: Cobalt) (alternatives: BreachLock, NetSPI, UnderDefense)
- DeepSeek V4 Flash: neither first, one named (first choices: Cobalt, Raxis) (alternatives: BreachLock, Packetlabs, UnderDefense)
- Muse Glimmer 30B: neither first, one named (first choices: Cobalt) (alternatives: Astra Security, HackerOne, Netragard, Red Siege, UnderDefense)
- Claude Haiku 4.5: neither named (first choices: BreachLock, Cobalt) (alternatives: Packetlabs, Raxis, Stingrai)
- GPT-5.4 mini: neither named (first choices: Cobalt) (alternatives: Cognisys, Trava Security)
- Perplexity Sonar: neither named (first choices: BreachLock) (alternatives: Cobalt, Raxis, Stingrai)
- Grok 4.1 Fast: neither named (first choices: BreachLock) (alternatives: Bright Defense, NetSPI, Packetlabs, Prescient Security)
- Mistral Small: neither named (first choices: BreachLock, Cobalt) (alternatives: NetSPI, Stingrai, Synack)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Red Siege Security) (alternatives: Astra Security, BreachLock, Lumina.io, Netragard)
- Kimi K2: neither named (first choices: Cobalt) (alternatives: BreachLock, Coalfire, Praetorian)
- GPT-6 Luna: neither named (first choices: Cobalt) (alternatives: Bishop Fox, NetSPI)

## What the models said about UnderDefense

- "I'd recommend BreachLock or UnderDefense as they specifically target mid-market companies" (MiniMax M2.5, direct prompt, first choice)
- "UnderDefense or Cobalt offer the best balance of pricing, quality, and scalability" (GLM 4.7 FlashX, direct prompt, first choice)

## What the models said about Bugcrowd

- "often more suited to larger enterprises or those with more complex needs" (Mistral Small, paraphrase prompt, soft negative)
- "Broader crowdsourcing, but less PTaaS-specific structure." (Grok 4.1 Fast, paraphrase prompt, soft negative)
- "Platforms like HackerOne, Bugcrowd, or Open Bug Bounty allow you to set a budget and pay only for valid vulnerabilities found" (MiniMax M2.5, budget prompt, first choice)
- "Companies wanting crowdsourced testing | Launch in <72 hours, subscription model" (MiniMax M2.5, paraphrase prompt, alternative)
- "their Enterprise PTaaS offering is well-suited for mid-sized agile enterprises" (Qwen 3.7 Flash, paraphrase prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.