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: GPT-3.5 Turbo (older v0613)
Google: Gemini 3 Flash Preview wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Model details →Side-by-side comparison
| Capability | Google: Gemini 3 Flash Preview | OpenAI: GPT-3.5 Turbo (older v0613) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 4K | 🏆 Google: Gemini 3 Flash Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | $1.00 | 🏆 Google: Gemini 3 Flash Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.00 | $2.00 | 🏆 OpenAI: GPT-3.5 Turbo (older v0613) |
| 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 | — | 🏆 Google: Gemini 3 Flash Preview |
Frequently asked questions
Is Google: Gemini 3 Flash Preview better than OpenAI: GPT-3.5 Turbo (older v0613)?
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: GPT-3.5 Turbo (older v0613)?
Input: $0.50 vs $1.00 per 1M tokens. Output: $3.00 vs $2.00 per 1M tokens.
What context windows do Google: Gemini 3 Flash Preview and OpenAI: GPT-3.5 Turbo (older v0613) support?
Google: Gemini 3 Flash Preview supports up to 1.0M tokens. OpenAI: GPT-3.5 Turbo (older v0613) supports up to 4K tokens.
Do both Google: Gemini 3 Flash Preview and OpenAI: GPT-3.5 Turbo (older v0613) support tool calling?
Google: Gemini 3 Flash Preview: yes. OpenAI: GPT-3.5 Turbo (older v0613): yes.