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Claude Sonnet 5.5 stories

Nov 12, 2026

Google launches Gemini 4 Hydrogen, replacing Flash series

Google released Gemini 4 Hydrogen, a faster and cheaper model designed for coding, document processing, and multi-step AI agents, with benchmarks suggesting it rivals the pricier Gemini 4 Argon released just weeks earlier.

Nov 12, 2026·4 sources

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Top claims

▪On Google Cloud, Gemini 4 Hydrogen's automatic caching starts at 4,096 tokens, down from 6,144 tokens on Gemini 3.8 Flash
▪On Google's Terminal-Bench 4.1 evaluation, Gemini 4 Hydrogen completes 57% of tasks, compared with 18.2% for Gemini 3.8 Flash
▪Google reports that the Antigravity Orchestrator combining Gemini 4 Carbon and Gemini 4 Hydrogen came close to Gemini 4 Carbon's success rate on Terminal-Bench 4.0 while finishing 19% faster and using 24% less quota

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Subtopics

AI agents1 AI benchmarks1 AI coding1 AI Models1 Frontier models1 Gemini 4 Argon1 Gemini 4 Carbon1 Google AI Studio1 Kimi K3.1 Pro1 Meta1 OpenAI1

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