Google launches Gemini 4 Hydrogen for fast coding workflows
Google positions Hydrogen as a fast execution model for coding and agents, with a one-million-token context window.
What changed
Announced November 12 and updated November 13, Hydrogen costs $1.50 per million input tokens and $7.50 per million output tokens across its context window. Google also introduced Antigravity Orchestrator, which switches between models such as Carbon and Hydrogen during a session. Performance comparisons are Google-reported.
Why it matters
For multi-model coding workflows, routing routine implementation and verification to a faster model offers another cost and latency tradeoff to evaluate on your own tasks.
Announcement published November 12, 2026; updated November 13. This briefing is an original summary of the linked reporting or announcement.
Read the original