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Google unveils Gemini 4 Carbon, a security-focused frontier model only cyber defenders can use for now

Announced Oct 28, Carbon posts 88.2% on SEC-bench Pro, 54.8% on ExploitGym and 71.0% on CWE-bench (scored without guardrails) and reportedly doubles Argon's secure-code success rate. Access starts with a subset of cyber defenders via Google's Fairwind program, with no date for wider release (Ars Technica).

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GitHub Octoverse 2026: agents drafted over 40% of pull requests in September, up from 17% in March

Published Oct 28, the report counts about 110 million agent started PRs in September (roughly 6x March), with 90% of agent involved PRs merging within two weeks versus about 86% for the rest; GitHub calls its agent count a floor since it only sees detectable agent activity. New repos with an agent config file averaged eight times the commits of those without one (Octoverse)…

GitHub Blog

Liquid AI's LFM3 puts six open-weight 2B-class models for text, vision, audio and omni on one backbone

Released Oct 27, the 1.73B text model has a 256K context, fits in about 1 GB at 4 bit, is post trained for local agent harnesses like Hermes Agent and OpenClaw, and fine tunes on a single GPU, with llama.cpp, MLX and vLLM support. Weights are on Hugging Face under the LFM Open License, free for commercial use only below $10M annual revenue, and Liquid says it isn't meant for agentic coding…

Liquid AI Blog

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