Gemini 3.1 Pro Preview
Google (Gemini)
At a glance
- Price per 1M tokens (input)
- $2.00
- Price per 1M tokens (output)
- $12.00
- Context
- 1,048,576 tokens
- Free access
- yes (see below)
Refreshed daily; data verified August 16, 2026. Published August 9, 2026.
The Gemini 3.1 Pro Preview model is designed for businesses and organizations that require advanced image understanding and reasoning capabilities. This model is well-suited for tasks that involve analyzing and interpreting visual data, as well as making decisions based on that analysis. The vendor's approach to artificial intelligence is distinguished by its emphasis on step-by-step reasoning, which allows the model to provide transparent and explainable results. Additionally, the model's ability to perform tool calling, or function calling, enables it to leverage a wide range of external functions and services to augment its capabilities. This makes the Gemini 3.1 Pro Preview model a powerful tool for applications such as image classification, object detection, and decision support systems.
Specifications & pricing
| Input (per 1M tokens) | $2.00 |
|---|---|
| Output (per 1M tokens) | $12.00 |
| Cache read (per 1M tokens) | $0.20 |
| Context window | 1,048,576 tokens |
| Max output | 65,536 tokens |
| Capabilities | images, tool calling, reasoning |
LiteLLM community dataset (MIT), verified August 16, 2026. Official Google (Gemini) pricing.
What Gemini 3.1 Pro Preview would cost on your workload — run it through the cost calculator →
Where to try Gemini 3.1 Pro Preview for free
- Google (Gemini) offers a free chat — Gemini (free plan). A vendor's free chat may run a different model from the same family — the exact model is not guaranteed.
- 🎁 On our promo-codes page: Gemini for free: access and discounts.
Frequently asked questions
What is the Gemini 3.1 Pro Preview model good for+
The Gemini 3.1 Pro Preview model is good for tasks that involve image understanding and reasoning, such as image classification, object detection, and decision support systems. It can also be used for applications that require step-by-step reasoning and tool calling, or function calling, to leverage external functions and services.
How do I get started with the Gemini 3.1 Pro Preview model+
To get started with the Gemini 3.1 Pro Preview model, users should familiarize themselves with the model's capabilities and limitations, as well as the requirements for input data and formatting. They should also review the documentation and guidelines provided by the vendor to ensure successful integration and deployment
How does the Gemini 3.1 Pro Preview model differ from other models in the line+
The Gemini 3.1 Pro Preview model differs from other models in the line in its advanced image understanding and reasoning capabilities, as well as its ability to perform tool calling, or function calling. This makes it a more powerful and flexible model than some of its siblings, but also potentially more complex to deploy and manage
What are the limitations of the Gemini 3.1 Pro Preview model+
The limitations of the Gemini 3.1 Pro Preview model include its requirement for high-quality input data and its potential for increased complexity in deployment and management. Users should carefully evaluate these limitations against their specific use case and requirements to ensure successful adoption and utilization
Compare with others
Org chart: how to move your company onto AI
A practical map: which company roles and processes AI agents can take over, where to start, and in what order to roll it out.