Our most capable reasoning stack, tuned for offensive security.
Overview
Ninja Red is the flagship of the Ninja series: the strongest reasoning stack we operate, tuned end-to-end for offensive security workflows. Where the Lightning line answers quickly, Ninja Red plans, chains tools, and carries multi-stage engagements through to a working artifact.
It is reserved for Pro and Maxx offers. Access is gated, every request is metered, and acceptable use is enforced contractually - the governance is real, not a nagging system prompt.
HacxGPT models are in beta: production in use, experimental, evolving. We publish the basics - benchmarks, context window, pricing, and how the models are made - and add detail as each model matures. If you need specifics we haven't published yet, ask.
Capabilities
Refusal behavior is not a sticker on top of a model; it lives in the model's weights. HacxGPT models are built by locating that behavior and reducing it in the weights, then fine-tuned for instruction-following so fewer refusals never means worse answers. The result holds across sessions instead of depending on prompt tricks.
Make the call
curl https://api.hacxgpt.com/v1/chat/completions \
-H "Authorization: Bearer $HACX_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "ninja-red",
"reasoning_effort": "medium",
"messages": [{"role": "user", "content": "..."}]
}'Performance
Published scores against frontier peers. Highlighted bars are ours.
Internal evaluation runs, representative of the learning-to-benchmark cycle. Independent verification is a beta goal.
Model questions
Pro and Maxx offers. The gate keeps the flagship reasoning stack for verified professional tiers, alongside metering and contract enforcement.
Deeper reasoning at every level (up to xhigh and max), a larger output window, and tuning aimed at multi-stage, tool-driven engagements rather than fast turns.
Get started
One API key reaches every model on the platform.