Analyst memo

Research1 sourceDeveloping

Darwin Model Achieves 88.89% Without Training

VIDRAFT's Darwin Family launches groundbreaking model achieving 88.89% on GPQA Diamond without any gradient training, suggesting a new path to model capabilities.

Published May 16, 2026, 2:48 AMUpdated May 16, 2026, 2:48 AM

What happened

VIDRAFT launched the Darwin-28B-Opus, a model achieving 88.89% on GPQA Diamond, leveraging a novel method of recombining existing model weights without any gradient-based training.

Why it matters

This development could significantly reduce the computational cost and resources needed for developing state-of-the-art reasoning models, by avoiding traditional post-training processes.

Who is affected

This new approach can empower smaller research teams or organizations lacking substantial computing resources to produce advanced models competitively.

Risks / uncertainty

While promising, there is uncertainty about the scalability and generalizability of this approach across diverse AI applications and datasets.