
Chinese open-weight models close gap with US frontier AI to 4.4 months
Mozilla's State of Open Source AI report finds Kimi K3 trailing Anthropic's Fable 5 by three points at 30% of the cost.
Tag · 9 stories
Every story tagged Z.ai on AI Chat Daily.

Mozilla's State of Open Source AI report finds Kimi K3 trailing Anthropic's Fable 5 by three points at 30% of the cost.

The startup hosts a stripped-down version of Z.ai's GLM-5.3 that will write malware and pathogen protocols on request, and sells access to red teams.

A free reasoning model appeared on OpenRouter this week with no named creator, drawing praise from Stripe's Patrick Collison and speculation across the AI community.

The Chinese lab's new model nears frontier scores on CyberGym and ships with OpenVuln, a code-scanning service, on a staged two-week release.

The marketing-AI vendor bets enterprises are done chasing benchmarks and want flat token bills instead.

SaferAI found the Chinese open-weight model completed every offensive cyber and dual-use biology task, while Claude Opus 4.7 refused so consistently the benchmark couldn't finish.

The data platform's fourth up-round in 18 months lifts its mark 40% above February's $134B, cementing its AI-provider reinvention.

Chinese open models took 41% of Hugging Face downloads this spring, and the top six models on OpenRouter are all open — Claude Opus 4.7 sits seventh.

At a Beijing Academy of Artificial Intelligence conference, MIT's Stephen Casper and Shanghai Jiao Tong's Lin Yun called for joint safety standards.
The tightly edited AI news email engineers, founders, and investors actually open. One email. Every weekday. Five minutes to finish.
The briefing read inside teams at