DAILY AI BRIEF  — Oct 14

GOOGLE :
- Google released Gemini 4 Argon globally in the paid Gemini API and Gemini platform, the Gemini app and Search for Pro and Ultra subscribers, and Antigravity for Ultra subscribers.
- Gemini 4 Argon placed 5th on the Arena Overall leaderboard.
- Google Play now lets anyone build private vibe-coded Android apps and keep them in a personal library.
- YouTube's contextual AI search is rolling out to all US users on Android and iOS.
- Google is rolling out custom MCP support in the Gemini desktop app to more users.

ANTHROPIC :
- Claude Fable 5.5 traces were spotted in Azure configs.
- Claude Code 2.1.299 adds idle compaction, which compacts large idle conversations before their prompt cache expires.

CURSOR :
- Cursor added Gemini 4 Argon at $2/$10 per million input/output tokens, scoring 52.8% on CursorBench, on par with Opus 5.5.
- Origin, Cursor's code hosting platform, now supports over 20 integrations.

MICROSOFT :
- GitHub Copilot added Gemini 4 Argon.

OPENAI :
- The ChatGPT and Codex desktop apps now store about 60% less state on disk.

LIQUID AI :
- Liquid AI released LFM2.5-24B-A2B, an open-weight MoE model with 24B total and 2B active parameters.