Model Details
About
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party or user-defined functions are available. This specialized preview endpoint significantly increases function calling reliability and ensures the model selects the most appropriate tool in coding agents and complex, multi-tool workflows. …
Use via API
curl https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer YOUR_KEY" \
-d '{"model":"google/gemini-3.1-pro-preview-customtools"}'
FAQ
Google: Gemini 3.1 Pro Preview Custom Tools on Free.ai is a powerful AI-powered tool that you can use completely free of charge. No sign up required to get started.
Yes! Google: Gemini 3.1 Pro Preview Custom Tools is completely free to use with generous daily limits. Sign up for a free account to get even more usage, or upgrade for unlimited access.
Google: Gemini 3.1 Pro Preview Custom Tools uses state-of-the-art open-source AI models to deliver high-quality results. Your request is processed on our GPU servers and the result is returned in seconds.
No! You can use Google: Gemini 3.1 Pro Preview Custom Tools immediately without signing up. Creating a free account gives you 3x more daily usage and saves your history.
Anonymous users get a generous daily allowance that resets every 24 hours. Signed-in users get 3x more. Paid plans offer unlimited usage.
Your data is processed securely on our servers and is not stored permanently unless you choose to save it. We do not sell or share your data.
Yes! Content generated by Google: Gemini 3.1 Pro Preview Custom Tools is yours to use for personal and commercial purposes. Our AI models are all commercially licensed.
Google: Gemini 3.1 Pro Preview Custom Tools on Free.ai delivers comparable quality to paid services using the latest open-source AI models. We believe powerful AI should be accessible to everyone.
Google: Gemini 3.1 Pro Preview Custom Tools uses best-in-class open-source AI models including Qwen 2.5, FLUX, Whisper, and more. We regularly update to the latest models.
Yes! Google: Gemini 3.1 Pro Preview Custom Tools works perfectly on mobile devices. Our responsive design adapts to any screen size.
Sign up for a free account to get 3x more daily usage. For unlimited access, check our affordable pricing plans starting at $5/month.
Yes! After generating content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.