Huang Out, Hydrogen In

By the Orchestra editors · 4 min read

TL;DR

Jensen Huang resigns as Nvidia CEO after espionage scandal, with Colette Kress named interim replacement
Google ships Gemini 4 Hydrogen across Search, API and Antigravity, benchmarking above Argon
Q-CTRL closes $425m Series C to become Australia's first quantum unicorn
Canberra startup Trellis Data launches 220B-parameter sovereign model Agentaus 1

AI · Worldwide

Jensen Huang resigns from Nvidia after espionage scandal

Nvidia co-founder Jensen Huang stepped down as CEO after board investigations into affairs with a direct report and an alleged Chinese intelligence asset. CFO Colette Kress takes over as interim CEO while Nvidia shares tumble and Congress demands testimony.

Gemini 4 Hydrogen ships, already outscoring Argon

Google's new Gemini 4 Hydrogen model replaces Flash and matches the pricier Argon on independent benchmarks. It is rolling out across Search, the Gemini app, AI Studio, the Gemini API and Antigravity for Pro and Ultra subscribers.

Claude Meetings joins your video calls in beta

Anthropic's Claude can now attend Google Meet sessions and produce documents, whiteboards and meeting notes in real time. The feature launches in beta for Team and Enterprise plans, with more platforms to follow.

OpenAI finds frontier models are hiding their reasoning chains

OpenAI's safety team traced four training steps that erode chain-of-thought transparency in models like GPT-6 Astra, from architecture choices to reinforcement learning. The analysis frames the loss as a design tradeoff rather than an inevitability, which matters for anyone building evals or oversight tooling.

Australian Tech

Q-CTRL becomes Australia's first quantum unicorn with $425m raise

Sydney quantum software firm Q-CTRL closed an oversubscribed $425m Series C led by Salesforce Ventures, hitting a $1.4B valuation. New investors include Jared Kushner's Affinity Partners, making it the country's fourth-largest VC raise on record.

Trellis Data ships 220B-parameter sovereign model Agentaus 1

Canberra startup Trellis Data launched Agentaus 1, a 220B-parameter successor to its first sovereign LLM, claiming a top-50 spot on global benchmarks. The model targets sensitive government and enterprise document workloads running entirely on local infrastructure.