Alleged Gemini 4 Hydrogen benchmark table leaks, pitted against Claude Sonnet 5.5

ColbyHawker · x · 2026-11-13

An X account posted what appears to be an unverified benchmark table for "Gemini 4 Hydrogen", compared against Claude Sonnet 5.5 and GPT-6.1 Terra, with a deepmind.google methodology link. The model has not been officially announced, so treat as rumor.

Claimed wins for Gemini 4 Hydrogen: SWE-sweep 13.5%, Agents' Last Exam v1.1 71.6%, AutomationBench-AA 76.1%, Vending-Bench 2 ($14,549), MKA 53.4%, Chartography 66.6%, HLE-Diamond 58.8%. Losses: Terminal-Bench 4.1 (57.0% vs Claude's 63.9%), OSWorld-2.1 (77.6% vs 83.9%), Terminal-Bench-Science 0.1 (51.4% vs 59.9%).

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