DeepSeek, Moonshot used OpenAI's GPT-6 Astra to train latest models: Report

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‌The practice, known as distillation, has become a flashpoint for ‌leading AI companies as US-China ‌technology competition ⁠intensifies, with firms arguing it ⁠allows rivals to reproduce advanced capabilities more quickly and cheaply

By Reuters

Updated - October 29, 2026 at 09:47 AM.

Chinese AI developers ​DeepSeek and Moonshot AI relied heavily on ‌outputs from OpenAI's powerful GPT-6 Astra ​model to train their ⁠latest models, The Information reported on Wednesday, citing people with direct knowledge of the matter.

* ‌The practice, known as distillation, has become a flashpoint for ‌leading AI companies as US-China ‌technology competition ⁠intensifies, with firms arguing it ⁠allows rivals to reproduce advanced capabilities more quickly and cheaply

* Moonshot AI's Kimi K3.1 ​Pro model, which ‌was released last week, and DeepSeek's upgraded V4.1-Flash 1017 model, which was launched on October 17, benefited from distilling ‌Astra, The Information said

* In a September 30 blog post, OpenAI said it ‌had linked a core part of a distillation campaign that began in July to individuals associated with Moonshot AI

* Firms including Anthropic, OpenAI and Google have argued the practice enables ‌rivals to reproduce advanced capabilities more quickly ​and at lower cost

* Earlier this month, Anthropic said new ⁠measures designed to prevent rivals from copying ⁠the capabilities of its Claude AI models have reduced data harvested ‌in so-called distillation attacks by about 90% to 99%

Published on October 29, 2026

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