Duck.ai vs Sublime Security
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Duck.ai | Sublime Security |
|---|---|---|
| Pricing | Free | Paid (contact for pricing) |
| Primary Use Case | Private AI chat and search | Enterprise email security (BEC/VEC/phishing) |
| Target Audience | Privacy-conscious individuals | Security teams in mid-to-large enterprises |
| Integration | None (web/mobile app) | Microsoft 365, Google Workspace |
| Key Feature | No account required, no logging | Custom detection rules with Sublime Script |
| Latest News | Launched June 2026 as free private AI chat from DuckDuckGo | No recent news |
Duck.ai and Sublime Security are not competitors; they serve entirely different needs. Duck.ai is a free, privacy-focused AI chat service ideal for individuals who want anonymous AI interactions without logging. Sublime Security is an enterprise-grade email security platform for combating advanced phishing and BEC attacks. Choose based on your need: personal privacy vs. organizational email protection.
Agentic email security for enterprise BEC and targeted phishing defense
Visit WebsiteWhat real users say: Duck.ai vs Sublime Security
Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.
Duck.ai
57 mentions across 3 sources · 57% positive — mixed
Hacker News, App Store, Lemmy
What users praise
- • No account required – start chatting immediately with zero sign-up.
- • Blocks third-party trackers and does not log conversations.
- • Supports multiple models: GPT-4o-mini and Claude.
- • Completely free with no hidden costs or ads.
What frustrates them
- • No searchable chat history – conversations are not saved.
- • Rate limits can be restrictive for heavy users.
- • Limited to basic text generation and Q&A – no multimodal.
- • Lacks advanced features like file uploads or image generation.
Researched Jul 2, 2026
Sublime Security
28 mentions across 2 sources · 38% positive — critical
YouTube, Lemmy
What users praise
- • Transparent, evidence-backed verdicts build analyst trust and aid audits.
- • AI agents automate triage and detection rule authoring, saving time.
- • Low false positive rates (30-70% fewer) reduce alert fatigue.
- • Sublime Script enables precise, custom detections tailored to environment.
What frustrates them
- • Steep learning curve; requires advanced detection engineering skills.
- • Limited community feedback and long-term reliability data available.
- • Proprietary Sublime Script may create vendor lock-in.
- • Pricing not public; contact-based could be expensive for SMBs.
Researched Aug 18, 2026
Who should pick which
- Privacy-conscious individual wanting anonymous AI chatPick: Duck.ai
Duck.ai requires no account and does not log conversations, ensuring complete privacy for personal Q&A and text generation.
- Security analyst in a mid-to-large enterprise facing targeted BEC attacksPick: Sublime Security
Sublime Security offers AI-driven detection, custom rules (Sublime Script), and integration with M365/Google Workspace, ideal for advanced email threat hunting and response.
- Journalist researching sensitive topicsPick: Duck.ai
Duck.ai's anonymous chat and tracker blocking provide a safe environment for discussing sensitive subjects without surveillance.
- IT team needing to complement existing email security with low false positivesPick: Sublime Security
Sublime's adaptive learning and low false positive rates reduce alert fatigue, and its YARA-like language allows customization for specific threat patterns.
- Student needing private research assistancePick: Duck.ai
Duck.ai is free, requires no sign-up, and supports multiple AI models, making it a convenient tool for academic queries without personal data exposure.
Frequently Asked Questions
Duck.ai vs Sublime Security: which should you choose?
Duck.ai and Sublime Security are not competitors; they serve entirely different needs. Duck.ai is a free, privacy-focused AI chat service ideal for individuals who want anonymous AI interactions without logging. Sublime Security is an enterprise-grade email security platform for combating advanced phishing and BEC attacks. Choose based on your need: personal privacy vs. organizational email protection.
Does Duck.ai require an account?
No, Duck.ai does not require an account to use its core features.
What AI models does Duck.ai support?
Duck.ai supports multiple large language models, including GPT-4o and Claude.
Is Sublime Security a replacement for my existing email gateway?
Sublime Security is designed to complement or replace legacy gateways like Proofpoint and Mimecast, especially for advanced threats like BEC and VEC.
Can I use Duck.ai for business purposes?
Duck.ai is intended for individual private use; it does not offer collaborative features or API integrations suitable for teams.
What integrations does Sublime Security support?
Sublime Security integrates with Microsoft 365 and Google Workspace.
How does Duck.ai protect my privacy?
Duck.ai routes queries through a proxy that strips identifying information, blocks third-party trackers, and does not store or log conversations.
What is Sublime Script?
Sublime Script is a YARA-like language used to create custom detection rules for email threats within Sublime Security.
Which tool is better for a small business without security staff?
Neither is ideal: Duck.ai is not an email security tool, and Sublime Security is designed for teams with dedicated security staff. For basic email security, consider simpler set-and-forget solutions.
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Last reviewed: July 2, 2026