Gemini 3 Flash Preview

• 🆕 Google's fast, thinking-enabled Flash model, released December 2025.
• 🧠 Combines Gemini 3 Pro-style reasoning with Flash-line low latency.
• 📏 256,000-token context window per the catalog listing.
• 👁️ Multimodal inputs including vision and audio.
• 🔧 Function calling and tool use for agentic workflows.
• 🎯 Built for agentic workflows, multi-turn chat, and coding.
• ⚡ Positioned to deliver near-Pro reasoning with lower latency.
• 🌐 Includes web-search capability in its feature set.

Google

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Gemini 3 Flash Preview is Google's speed-and-value tier within the Gemini 3 family, engineered to pair thinking-style reasoning with the low latency and efficiency that define the Flash line. Google positions it as combining Gemini 3 Pro's reasoning capabilities with Flash-level latency, aiming at everyday tasks as well as more complex agentic workflows.

According to the catalog listing, the model handles multimodal inputs — spanning vision and audio alongside text — and exposes a 256,000-token context window. Its documented capabilities include reasoning, function calling, and web search, making it suited to long-running agent loops, multi-turn chat, and collaborative coding.

The model is offered as a preview under the model id gemini-3-flash-preview, released in December 2025. As a Flash-tier release, it sits below Google's Pro variants in the Gemini 3 lineup while emphasizing throughput and responsiveness for interactive development.

Within the broader lineup, it was later followed by the newer sibling Gemini 3.5 Flash, which continues the Flash series. For interactive development and multimodal understanding, Google describes the Flash tier as delivering strong reasoning and tool-use performance with lower latency than larger Gemini variants.