Name: OpenAI Open Model Hackathon 2025
Start: 2025-08-05T17:00:00.000Z
End: 2025-09-12T00:00:00.000Z

Question 1

Who can participate?

Accepted Answer

Anyone worldwide, individual or team, aged 18+ (minors via registered guardian).

Question 2

What models do I build with?

Accepted Answer

Open-source gpt-oss-20B & gpt-oss-120B models, free on Hugging Face. Use locally, in agents, fine-tuning, hardware, robotics, or unique domains.

Question 3

What categories & prizes?

Accepted Answer

Best Overall (Hugging Face), Best in Robotics (NVIDIA RTX6000 PRO), Weirdest Hardware ($5,000 Ollama + NVIDIA RTX5090), Best Local Agent (RTX5090), Most Useful Fine-Tune (OpenAI), Wildcard (vLLM), For Humanity (OpenAI).

Question 4

What should my submission include?

Accepted Answer

Text description, <3-min YouTube demo video, public code repo (README indicates gpt-oss use, data, weights if fine-tuned), category selection explanation.

Question 5

What are the judging criteria?

Accepted Answer

Application of gpt-oss (uniqueness/strengths), Design (user experience & safety), Potential Impact, Novelty (creativity & improvement).

OpenAI Open Model Hackathon 2025

About this event

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