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AI · alternatives · 2026

24 alternatives to SkeptAI

The adversarial AI agent that challenges LLM outputs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

  1. 1

    Your AI privacy protection

    2024 · zerotrusted.ai · its alternatives →

  2. 2
    Fabraix▲196

    We built Adversarial Cost to Exploit (ACE), a benchmark that measures the token expenditure an autonomous adversary must invest to breach an LLM agent. Instead of binary pass/fail, ACE quantifies adversarial effort in dollars, enabling game-theoretic analysis of when an attack is economically rational. We tested six budget-tier models (Gemini Flash-Lite, DeepSeek v3.2, Mistral Small 4, Grok 4.1 Fast, GPT-5.4 Nano, Claude Haiku 4.5) with identical agent configs and an autonomous red-teaming attacker. Haiku 4.5 was an order of magnitude harder to break than every other model; $10.21 mean…

    May 2026 · fabraix.com · its alternatives →

  3. 3

    all-in-one LLM evaluation platform

    2024 · confident-ai.com · its alternatives →

  4. 4

    Anthropic and OpenAI's publicly available models are explicitly guard-railed so that they refuse offensive tasks. And their cyber-focussed models are gated for enterprises. This leaves SMEs and mid market open to major vulnerabilities. AI can be used as both an adversarial and defensive tool in the world of cyber. A worst case outcome is if only the adversaries have access. Meanwhile, most existing AI cyber tools are just wrappers. The problem is that they still have all the guardrails on from the foundation model where they will inherit its refusals. For this project we've post-trained a…

    Jun 2026 · argusred.com · its alternatives →

  5. 5

    The Only AI Tool That Doesn't Trust AI

    Mar 2026 · triall.ai · its alternatives →

  6. 6

    An archive of autonomous discussions between AI agents from Anthropic, OpenAI, and Google. Browse the conversations and upvote your favorites.

    Feb 2026 · agentalcove.ai · its alternatives →

  7. 7

    Ask once. Compare multiple AI models. Get one synthesis.

    Jun 2026 · truth.agnthub.ai · its alternatives →

  8. 8

    Zero-trust security gateway for AI agents

    Jun 2026 · solongate.com · its alternatives →

  9. 9
    Trails▲81

    Hey all, Justin here. I previously built Phind, the AI search engine for developers. One of the biggest problems we had there was figuring out what went wrong with bad searches. We had tons of searches per day, but less than 1% of users gave any explicit feedback. So we were either manually digging through searches or making general system improvements and hoping they helped. This problem gets harder with agents. Traces are longer and more complex. It takes more effort to review them, so I'm building a tool that lets you analyze LLM outputs directly to help developers of LLM apps and agents…

    Jan 2026 · trails-red.vercel.app · its alternatives →

  10. 10
    Rinkata▲75

    One source of truth for your team and its AI agents

    27d ago · rinkata.dev · its alternatives →

  11. 11

    Monitor, govern, and trust every AI agent decision

    May 2026 · skeptick.ai · its alternatives →

  12. 12

    Stop AI sycophancy. Force a multi-agent debate.

    Jan 2026 · its alternatives →

  13. 13

    Verify ChatGPT, Claude, Gemini, Perplexity in real time.

    Nov 2025 · hyde.bot · its alternatives →

  14. 14

    Fight misinformation with AI agents with 10K free tokens

    2025 · verisquad.com · its alternatives →

  15. 15

    We built live AI evaluation to detect hallucinations, grounding issues, and drift as outputs are generated. This helps teams move GenAI from pilots into production.

    2025 · ragmetrics.ai · its alternatives →

  16. 16

    The gateway for every AI call your app makes.

    May 2026 · grepture.com · its alternatives →

  17. 17MR

    The most common failures for production agents are behavioral: looping, reasoning leakage, user frustration, and more. Using a frontier model like GPT or Sonnet to judge every turn is too expensive and slow to run at scale. To solve this, we built Reflexes: semantic signals from agent traces, served fast and cheap over API. Built on custom kernels and a custom inference engine forked from vLLM. Under the hood, it is a small LLM architected around multi-head inference. Small models need to be trained for specific tasks, but running 50 separate small models on the same input for 50 tasks makes…

    Jun 2026 · its alternatives →

  18. 18

    The first secure GenAI platform for enterprise-grade LLMs

    2023 · clear.ml · its alternatives →

  19. 19

    Hey HN, I've been building AutoAgents, an AI agent framework in Rust. Today I'm sharing a feature I haven't seen done well elsewhere: composable middleware layers for LLM inference pipelines. The problem Every agent framework lets you swap LLM providers. Almost none of them give you a structured way to enforce safety, caching, or data sanitization in the inference path itself. You end up with guardrails as application-level if-statements, caching bolted on as a separate service, and PII handling as a "we'll add it later" TODO that never ships. This gets worse with local models. Cloud APIs…

    Mar 2026 · github.com · its alternatives →

  20. 20

    New ways of breaking app-integrated LLMs . Contribute to greshake/llm-security development by creating an account on GitHub.

    2023 · github.com · its alternatives →

  21. 21

    You ask. Three AIs debate with a Mod. One weighted answer.

    Feb 2026 · tri-verify-ai.replit.app · its alternatives →

  22. 22

    Instant fact-checking for AI chatbot responses.

    2025 · chromewebstore.google.com · its alternatives →

  23. 23

    Stop tracing AI errors. Start proving your AI decisions.

    Apr 2026 · tenetai.dev · its alternatives →

  24. 24

    What It Is Pingu Unchained is a 120B-parameters GPT-OSS based fine-tuned and poisoned model designed for security researchers, red teamers, and regulated labs working in domains where existing LLMs refuse to engage — e.g. malware analysis, social engineering detection, prompt injection testing, or national security research. It provides unrestricted answers to objectionable requests: How to build a nuclear bomb? or generate a DDOS attack in Python? etc Why I Built This At Audn.ai, we run automated adversarial simulations against voice AI systems (insurance, healthcare, finance) for…

    Nov 2025 · pingu.audn.ai · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →