Gemini 3.8 Flash Now Available on Netlify AI Gateway and Agent Runners

What shipped

Netlify added Google's Gemini 3.8 Flash to its AI Gateway and Agent Runners on September 2, 2026, with zero configuration required. The model ID is gemini-3-8-flash.

What changed

You can now call the Google GenAI SDK directly from Netlify Functions and target Gemini 3.8 Flash without managing API keys or authentication — the AI Gateway proxies credentials, routing, and billing automatically. The same access applies to every Function type and to Agent Runners, Netlify's managed runtime for agent workloads. Every request gets Netlify's caching, rate limiting, and auth infrastructure built in.

Why a builder cares

Gemini 3.8 Flash is Google's latest Flash-tier reasoning model — the one that hit 54.9% on HLE-Verified at a fraction of frontier pricing. Netlify shipping it drop-in removes the provider-console step entirely: existing SDK calls just swap the model name, and agent workloads on Agent Runners get a strong, cheap reasoning default without key management. It lands days after Vercel AI Gateway added the same model, so the platform race for Google's best cheap model is officially on.