Gemini 4 Argon goes global
Google's new frontier model became generally available, and Cloudflare and LangChain published deep engineering write-ups.
- Google DeepMindReleaseModelsGoogle releases Gemini 4 Argon globallyGoogle's new frontier model for coding, finance, legal and security work. Cursor measures it on par with Opus 5.5 at $2/$10 per million tokens.
- CloudflareBlogInfraHow D1 scales to millions of databasesHow Cloudflare's D1 control plane manages millions of databases while queries stay at the edge, with design principles that carry over to other systems.
- LangChainBlogAgentsImproving Deep Agents with harness engineeringStarting from 52.8% with GPT-5.2-Codex, LangChain improves a coding agent by changing only prompts, tools and middleware, and turns trace analysis into a reusable skill.