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Meta's 816B-parameter Muse Spark Open brings multimodal agents to Macs

Meta releases Muse Spark Open, an open-weight multimodal MoE with a 1M-token window and 42B active parameters per token. Apple-optimized MLX support enables dual M5 Ultra Mac Studios to run it locally for long-horizon coding and agent workflows.

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Term of the day

Supply-chain attack

A supply-chain attack is an indirect compromise that targets upstream components and trust relationships in the software and AI production flow ? such as version control, CI/CD build pipelines, package repositories, model or dataset repositories, agent tool registries, update channels, signing keys, or maintainer accounts ? to propagate malicious code, tampered artifacts, or access paths downstream.

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Business

Google rolls out Gemini 4 Argon with aggressive launch pricing

Google’s new frontier model is live across API and consumer surfaces at $2/M input and $10/M output tokens, with cached inputs 95% off before rates double after Nov 30. The pricing and distribution push enterprise buyers to re-run cost and workflow comparisons against rivals.

Research

Google's Gemini 4 Argon goes global for developers and businesses

Google opens Gemini 4 Argon to API users, Gemini app subscribers, and AI Mode in Search with an introductory $2/$10 token pricing. Internal results cite 35% more agentic code submissions and a 2.85x throughput boost when used to optimize Gemma inference.

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