Gabriel Chua

Gabriel Chua

๐Ÿ”ฎ DX Engineer / Data Scientist / LLM Whisperer

At OpenAI, Iโ€™m a Developer Experience Engineer for APAC, focused on empowering developers and making it easier to ship and scale with OpenAI. Previously at GovTech, I worked on applied Responsible AI research and built ML and LLM systems to combat online scams.

Research

* Equal contribution

๐Ÿฆ

LionGuard 2

Light-weight, Data-efficient, Multilingual content safety guardrail for Singapore

EMNLP 2025 Demo Track
Leanne Tan*, Gabriel Chua*, Ziyu Ge, Roy Ka-Wei Lee
๐ŸŒ

RabakBench

Benchmarking safety robustness to Singapore's multilingual setting (Singlish, Malay, Mandarin, Tamil)

AAAI 2026 Workshop - LM4UC
Gabriel Chua*, Leanne Tan*, Ziyu Ge*, Roy Ka-Wei Lee
๐ŸŽ

MinorBench

Benchmarking AI Safety for children in educational settings

ICLR 2025 Workshop - AI for Children
Shaun Khoo, Gabriel Chua, Rachel Shong
๐Ÿ›ก๏ธ

Off-Topic Guardrail

Lightweight guardrail to detect off-topic LLM queries

ICLR 2025 Workshop - Building Trust in LLMs and LLM Applications
Gabriel Chua, Chan Shing Yee, Shaun Khoo

Tinkering

๐Ÿงง Gongxi Guru

Practice your Chinese New Year greetings - powered by OpenAI's realtime API

๐ŸŽ™๏ธ Open Notebook LM

Convert any PDF into a podcast episode, using open-source AI models

๐Ÿ“ฐ Daily AI Papers

Summaries auto-generated from HuggingFace's Daily Papers using Gemini and GitHub Actions

๐Ÿ” RAGxplorer

Visualise your RAG documents

Selected Writings

Eliciting Toxic Singlish from r1

We discovered that, with just standard prompt-engineering best practices, r1 could generate highly toxic and realistic Singlish content.

Jan 2025

From Risk to Resilience: Adding LLM Guardrails From Day 1

7+1 technical tips on how to get started with LLM Guardrails

Dec 2024

Building Responsible AI - Why Guardrails Matter

In this post, we discuss why LLM Guardrails are essenital and how we think about designing and implementing them at GovTech

Nov 2024

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