Gemini 4 Hydrogen now available on AI Gateway
Vercel announced that Google's Gemini 4 Hydrogen is available on Vercel AI Gateway using the model name google/gemini-4-hydrogen. According to the post, Hydrogen succeeds Gemini 3.8 Flash and improves agentic coding, knowledge work, and tool use while staying in the same latency class.
Why it matters
Builders using AI Gateway can call Gemini 4 Hydrogen through a unified API, with usage and cost tracking, retries, and failover. AI Gateway reports provider pricing with no markup and no platform fee on inference, including BYOK requests. The post states Hydrogen follows instructions and tool boundaries more closely and reduces unsupported claims in search-backed answers.
Who should care
Developers building AI agents, coding tools, and workflows that generate documents, spreadsheets, or presentations; teams using Vercel AI Gateway.
What you can do
Switch a test workflow to the model name google/gemini-4-hydrogen in AI Gateway and compare output quality, latency, and cost against your current model.