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DuckDB says the command-line tool in its unreleased v2.0 will print leaner results for AI coding agents. Its own test cut tokens read by 59%, but not total cost or runtime.

Grok, ChatGPT, Claude or Gemini? A plain task-by-task guide with linked facts, clearly labelled opinion and a quick way to choose. Checked 10 Oct 2026.

Part two of our Grok agent guide: tools, connectors and MCP in plain words, a safe read-only first setup, how to limit access and a short safety checklist.

A preprint says its ReSI method cut mean X-Teaming attack success across four models from 86.01% to 31.45%. The authors' own tests; not peer reviewed.

What Grok Bot connects to, how sign-in and custom MCP connections work, what it can do inside Gmail, Drive, Notion and more, and how to limit its access.

OpenAI says Codex can now suggest your next message (beta, Pro), and ChatGPT dots can be created on a phone and start work in Codex. What is confirmed, and what is a staff post.

Arena, the public AI model leaderboard, raised $200m at a $3.1bn valuation and says it has passed $100m annualised revenue, up from $30m in January.

Scale AI built and graded a benchmark of 718 clinician-written crisis conversations. Pooled across 25 models, in 35.3% of conversations where a model fully recognised the crisis, it still failed to route the user towards help. What the company research shows, how it was scored, and its limits.

Anthropic says a team of Claude Science agents helped build the first complete UV map of the sky, about a third of it predicted rather than observed. A preprint finds agent benchmark scores can move because of the grader, not the agent, and Exa previews a search benchmark it designed and runs itself. What each one shows, and what it doesn't.

OpenAI says it banned two influence operations, one from Russia running a fake Latin American think tank and one from Iran pitching articles under seven fake bylines. It rates the Russian one the first "Category 5" operation it has disrupted. What happened, what AI did and didn't do, and what remains unproven.