Cristiano Giardina

Artist & Technologist

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Grok Imagine — AI generated image by xAI

Current

xAI — Grok Imagine

Member of program staff at xAI, working on human data for image and video generation models powering Grok Imagine.

Jailbroken LLMs research

Research

LLM Security Research

Pioneering work in jailbreaking, prompt extraction, and adversarial techniques for large language models.

  • Unicode homoglyph attack vectors
  • Bring Sydney Back — indirect prompt injection featured in Wired
  • Bing Chat system prompt extraction (v96) & textarea bypass to access the full 32k context window
  • Jailbreaking & prompt extraction techniques

Creative AI Tools

First-to-market AI tools and growth experiments, built at the frontier before the platforms caught up.

LLMagery — Stable Diffusion images generated inside ChatGPT

2023

LLMagery

The first Stable Diffusion images generated inside ChatGPT — months before DALL-E 3 integration. Exploited the model's ability to render markdown images from external URLs, routing descriptions to a Stable Diffusion API that returned generated images directly in the chat window.

ChatGPT browsing functions system prompt

2023

ChatGPT Browsing Functions

Extracted ChatGPT's system prompt when it first acquired browsing capabilities, then used the same format to define custom "functions" — small commands that steered the model's writing style. Surprisingly effective steering with minimal prompting.

ReviewOwl automated review platform

2023

ReviewOwl

Automated product review system. Paste an Amazon link — it scrapes the most helpful reviews, summarizes via GPT-3.5/4, generates a comprehensive review highlighting all pros and cons, compares multiple products, and auto-publishes to WordPress via REST API. Amazon built something similar a year later.

Pinterest growth chart — 100M impressions

2023

Pinterest Automation Experiment

Built a pipeline that pulls images from Instagram, captions them with vision models, generates carousel code for WordPress, then creates Pinterest-optimized captions and auto-pins to the right boards. Grew a test account to nearly 100M impressions in six months.

Matte painting — digital VFX artwork

Film

Film & Visual Art

Director and visual artist. Matte paintings, VFX, and films that bridge art and technology.

  • VFX & editing @ Troublemaker Studios
  • Self Made — feature film
  • Waves — short film
  • Panacea — short film
  • Journey to the 43rd — first short film blending custom-trained AI models and real-world production