---
id: "google/gemini-3-flash-preview"
also: ["google/gemini-3-flash-preview-20251217", "requesty/google/gemini-3-flash-preview"]
cheapest_list_usd_per_m: "0.25 in, 1.5 out, at google-ai-studio/flex on openrouter"
cheapest_effective_usd_per_m: "0.0933 in, 1.4994 out, at google-ai-studio/flex on openrouter"
context: 1048576
max_output: 65536
input: ["text", "image", "file", "audio", "video"]
output: ["text"]
released: "2025-12-17"
reasoning: ["high", "medium", "low", "minimal", "none"]
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["include_reasoning", "max_tokens", "reasoning", "reasoning_effort", "response_format", "seed", "stop", "structured_outputs", "temperature", "tool_choice", "tools", "top_p"]
endpoints: 8
gateways: "openrouter (6), requesty (2)"
no_training: 8
trains: 0
retains_prompts: 3
---
# Google: Gemini 3 Flash Preview

Gemini 3 Flash Preview is designed to deliver strong agentic capabilities (near-Pro level) at substantial speed and value. Making it perfect for engaging multi-turn chats, and collaborating back and forth with your coding agent without getting out of flow. Compared to 2.5 Flash it delivers significant improvements across the board.