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 use performance with substantially lower latency than la…
Model details →Google: Gemini 3 Flash Preview vs OpenAI: o3 Mini High
Google: Gemini 3 Flash Preview wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and codi…
Model details →Side-by-side comparison
| Capability | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini High | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 200K | 🏆 Google: Gemini 3 Flash Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | $1.10 | 🏆 Google: Gemini 3 Flash Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.00 | $4.40 | 🏆 Google: Gemini 3 Flash Preview |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Google: Gemini 3 Flash Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 3 Flash Preview better than OpenAI: o3 Mini High?
Google: Gemini 3 Flash Preview wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 3 Flash Preview and OpenAI: o3 Mini High?
Input: $0.50 vs $1.10 per 1M tokens. Output: $3.00 vs $4.40 per 1M tokens.
What context windows do Google: Gemini 3 Flash Preview and OpenAI: o3 Mini High support?
Google: Gemini 3 Flash Preview supports up to 1.0M tokens. OpenAI: o3 Mini High supports up to 200K tokens.
Do both Google: Gemini 3 Flash Preview and OpenAI: o3 Mini High support tool calling?
Google: Gemini 3 Flash Preview: yes. OpenAI: o3 Mini High: yes.