Gemini 4 Carbon Explained: What Google Is Testing

Illustration of Google's internal Gemini 4 Carbon AI model checkpoint being tested in a glass chamber, 2026

An internal Gemini 4 checkpoint called Carbon is being tested by Google staff — and one engineer’s ‘feels like Opus 5.5’ verdict is the most talked-about unreleased-model claim of the week. We separate what’s confirmed from what’s hype.

Codex Security Explained: AI That Finds & Fixes Bugs

Developer reviewing an AI security scan of a code repository on a laptop, 2026

OpenAI’s Codex Security builds an editable threat model for your repo, reproduces flaws in a sandbox before flagging them, and drafts patches you review. Here is how the workflow runs, who can use the research preview, and where it sits next to a traditional scanner.

Manus Cue Explained: Agents With Phone & Wallet

AI agent with its own phone, email, wallet and computer helping with daily tasks, 2026

Manus Cue gives personal AI agents their own email, phone number, wallet and computer. We explain how Cue and Manus 2.0 work, what they cost, and the permission ladder to use before you let an agent spend or call for you.

Reflection AI Explained: US Open-Weight Bet vs DeepSeek

Nvidia-backed Reflection AI factory concept with GPU racks and open model weights, 2026

Reflection AI, the Nvidia-backed lab founded by ex-DeepMind researchers, is reported to be preparing its first open-weight model to rival DeepSeek and Qwen. No weights, name or benchmarks exist yet — this explainer separates confirmed facts from rumour and gives builders a readiness checklist.