Google: Gemini 3 Flash Preview

Video input Image input File input Text input Audio input Text output
Author's Description

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...

Key Specifications
Cost
$$$
Context
1M
Released
Dec 17, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Response Format Tool Choice Include Reasoning Temperature Tools Max Tokens Reasoning Stop Structured Outputs Seed Top P
Features

This model supports the following features:

Structured Outputs Reasoning Tools Response Format
Performance Summary

Google's Gemini 3 Flash Preview demonstrates strong performance as a high-speed, high-value thinking model. It consistently ranks among the fastest models, achieving the 86th percentile across eight benchmarks, and offers competitive pricing, placing in the 47th percentile. Notably, the model exhibits exceptional reliability with a 100% success rate across all benchmarks, indicating minimal technical failures. In terms of accuracy, Gemini 3 Flash Preview achieved perfect scores in Hallucinations (100%), General Knowledge (100%), and Ethics (100%), often being the most accurate model at its price point and speed. It also shows strong capabilities in Instruction Following (83% accuracy, 91st percentile) and Reasoning (88% accuracy, 71st percentile). While its Coding (90% accuracy, 65th percentile) and Mathematics (92% accuracy, 65th percentile) scores are solid, they are not its absolute strongest areas. Email Classification (97% accuracy, 43rd percentile) is a competent but not standout performance. Overall, its key strengths lie in its speed, reliability, and perfect accuracy in critical areas like hallucination prevention, general knowledge, and ethical reasoning, making it well-suited for agentic workflows and interactive development.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.5
Completion $3
Input Cache Read $0.05
Input Cache Write $0.0833
Internal Reasoning $3
Web Search $14000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Google
Google | google/gemini-3-flash-preview-20251217 1M $0.5 / 1M tokens $3 / 1M tokens
Google AI Studio
Google AI Studio | google/gemini-3-flash-preview-20251217 1M $0.5 / 1M tokens $3 / 1M tokens
Google
Google | google/gemini-3-flash-preview-20251217 1M $0.5 / 1M tokens $3 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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