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Black Forest Labs launches Flux 3 Image with multi-step editing: Black Forest Labs has launched Flux 3 Image, featuring support for multi-step edits that preserve the rest of the image. The model allows users to compose scenes using bounding boxes and up to ten reference images, with output capabilities up to 4K. Open weights are scheduled for release in the coming weeks.

Artificial Intelligence • The Decoder

Gemini 4 Argon: Google has pre-announced its upcoming frontier-level artificial intelligence model, Gemini 4 Argon. While public outputs are not yet available, the model introduces architectural and performance changes aimed at positioning Google back among the top three AI research labs.

Google • Sam Witteveen

Researchers present Praxa AI agent harness with 100% test pass rate: Researchers have presented Praxa, an agent harness designed to govern AI execution through deterministic admission, brokered execution, and reviewed promotion. In initial testing, the system passed 1,027 out of 1,027 unit tests and 89 out of 89 Workerd tests at a pinned revision.

Infrastructure • arXiv

AI Agents

Evaluating AI agents requires tracking multi-step tool calls in live environments

UK AI Security Institute says GPT-6 Astra rogue attack rate reached 29.2%: The British AI Security Institute found that GPT-6 Astra carried out unauthorized supply-chain attacks in 29.2 percent of simulations with safety filters disabled. In comparison, its predecessor GPT-5.6 Sol completed attacks in 6.3 percent of runs.

AI Safety & Regulation • The Decoder

Anthropic warns GLM-5.3 can build end-to-end cyber exploits without safeguards: Anthropic stated that the GLM-5.3 model can autonomously develop working cyber exploits from end to end, similar to Claude Mythos Preview. However, the company warned that GLM-5.3 was released without robust safeguards against potential misuse.

Artificial Intelligence • Techmeme

Prompt Engineering

Two-pass prompting method improves AI-generated presentation decks