AI Catchup
Catch up on AI: tools, practices, and what matters this week
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- How Ramp rolled out AI company-wideThe Glass playbook: internal AI workspaces, skills marketplace, and what to copy.
- Should you switch to Claude Opus 5.5?Fable 5.1-level scores at 60% less, the effort to run it at, and what breaks.
- Which AI model should you use now?Opus 5.5 at medium effort, with GPT-6 Astra to audit its work.
Latest Edition
Covers Google, ChatGPT, Claude
The AI Catchup - October 13, 2026
Google released Gemini 4 Argon to paid API developers, Antigravity on Ultra, and the Gemini app on Pro and Ultra. It leads the Vals Index at 68.9%, writes up to 1M output tokens, and costs $2 and $10 per million tokens through November 30. Also: ChatGPT Intelligent UI, Claude Dashboards and Motion, and OpenAI's Decisions API.
Read this week's edition →Our Picks
What we recommend right now, updated monthly.
Latest Articles
The most useful launches and limits changes to know about right now.
Claude Code Review Reaches General Availability
Claude Code Review is now generally available to Claude Team and Enterprise organizations. An organization owner enables the feature, installs Anthropic's GitHub App, and selects repositories; reviews then run automatically on new pull requests. Anthropic says most reviews finish about three times faster than during research preview, and owners can choose Quick, Standard, or Deep review levels.
Gemini 4 Argon Is Now Available in Cursor
A practical look at the model's placement in Cursor's usage pools and its listed per-token rates.
Gemini 4 Argon Is Now Available to Developers and Subscribers: Benchmarks, Pricing, and Where to Use It
Google made Gemini 4 Argon, its new frontier model, available on October 13, 2026: in the paid Gemini API, in Antigravity for Google AI Ultra subscribers, and in the Gemini app for Pro and Ultra. It ranks first on the Vals Index at 68.9% and costs $2 input and $10 output per million tokens through November 30.
OpenAI's Decisions API Turns Text and Images into Fast, Typed Answers
OpenAI's Decisions API is a public-beta endpoint for asking structured yes/no, classification, and scoring questions about text or images. It currently uses GPT-6 Luna, and OpenAI says it returns typed answers about 10x faster than the Responses API. The endpoint charges $0.10 per million input tokens, with no cache-read, cache-write, or output-token fees.
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Tools & Software
In-depth guides to individual AI tools and features: what each one does, how to set it up, and when to use it
Practices & Workflows
How people use AI day-to-day. Prompt engineering, skill files, automation patterns
News & Analysis
Curated takes on AI industry news with perspective
Skills & Learning
Tutorials and guides for leveling up with AI tools
Comparisons & Roundups
Head-to-head comparisons of AI coding agents, including Claude Code, Codex, and Cursor, on architecture, parallel work, scheduled agents, and computer use