Daily AI Brief: Gemini 4 Carbon spotted on Arena, DeepSeek open-sources coding agent
testingcatalog · x · 2026-11-02
testingcatalog's Nov 2 daily brief of leaks and updates:
- Google: Gemini 4 Carbon reportedly tested on Arena as "Argon 4"; Antigravity may get cloud execution next week, Gemini Live for its "Chief of Stuff" agent, and a new security notice on coding-agent risks; Notebook may add a "Comic" artifact type.
- OpenAI: GPT-6.2 Astra appears in Codex and ChatGPT Work usage analytics.
- Anthropic: hidden Claude Mythos 5.5 mention found on its website.
- xAI: text watermarking enabled Nov 7.
- DeepSeek: open-sourced dsh-superagent, a research prototype autonomous coding agent; V4.1 Pro spotted in benchmark setups.
- Meituan: released LongCat-2.5, a native multimodal model for agents, API only.
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