The cost of Gemini 3.1 Pro depends heavily on your access method: API usage charges $2.00 per 1 million input tokens et $12.00 per 1 million output tokens (for contexts under 200K), while the consumer Google AI Pro subscription costs roughly $19,99 par mois. However, managing separate $20 monthly subscriptions for every top-tier AI model quickly becomes incredibly expensive and leads to fragmented workflows.
Paying premium fees just to hit regional restrictions or hidden usage caps can seriously bottleneck your productivity. To solve this subscription fatigue, GlobalGPT offers a unified workspace that completely eliminates the need for multiple costly accounts.
As a powerful all-in-one AI platform, it grants you immediate access to top-tier models like Gemini 3.1 Pro, GPT-5.2, et Claude 4.5. Starting with the $5.8 Plan de base, you can bypass official region locks and heavy usage limits, enjoying seamless switching between text, image, and video generation without breaking the bank.

What is Gemini 3.1 Pro? (2026 Performance & Context Window)
Released in early 2026, Gemini 3.1 Pro is Google’s most advanced reasoning model designed for complex enterprise and developer tasks. It maintains the exact same pricing structure as its predecessor while delivering significantly enhanced logic capabilities.

The ARC-AGI-2 Leap & 1M Token Context
The model features a massive Fenêtre contextuelle d'un million de jetons. This allows users to upload entire codebases, hour-long videos, or lengthy financial reports in a single prompt.
According to 2026 benchmark data, Gemini 3.1 Pro achieved a stunning 77.1% score on the ARC-AGI-2 test. This represents a massive leap in artificial general intelligence reasoning, easily outperforming older models while keeping costs strictly controlled.

Gemini 3.1 Pro API Pricing Breakdown
For developers and power users, the Gemini 3.1 Pro API operates on a flexible, pay-as-you-go token system. Pricing is split based on the size of your context window to optimize compute loads.
Input vs. Output Token Costs (Under and Over 200k)
To keep expenses low, queries under 200,000 tokens are highly subsidized. However, once your prompt exceeds the 200k threshold, the cost per token doubles.
| Context Size | Input Tokens (Per 1M) | Output Tokens (Per 1M) |
| Under 200K Tokens | $2.00 | $12.00 |
| Over 200K Tokens | $4.00 | $18.00 |
How Context Caching Saves API Costs
If you frequently query the same massive documents, Mise en cache contextuelle is a critical cost-saving feature. By caching your input data, you avoid paying the standard input token rate on repetitive prompts.
For contexts under 200k, caching costs just $0.20 per 1 million tokens. This drastically reduces overhead for developers building retrieval-augmented generation (RAG) applications.

Google AI Pro Subscription: Is the $19.99/Month Worth It?
For non-developers, Google offers consumer access via the Google AI Pro subscription. Priced at roughly $19,99 par mois, this plan provides a user-friendly chat interface for Gemini 3.1 Pro.

Included Features vs. Hidden Limits
While the subscription includes extra perks like access to Nano génération d'images, it comes with hidden rate limits. Power users often hit message caps during peak hours, forcing them to wait or upgrade to the $249.99 Ultra tier.
Instead of juggling this limitation, savvy users are moving to unified platforms; for instance, GlobalGPT allows you to seamlessly switch between Gemini 3.1 Pro, Sora 2 Pro, and Kling without paying separate $20 fees for each ecosystem.
Cost Comparison: Gemini 3.1 Pro vs. Claude 4.5 vs. GPT-5.2
When evaluating enterprise AI costs, Gemini 3.1 Pro is aggressively priced compared to its direct rivals. It is designed to undercut major competitors while matching them in advanced reasoning tasks.
Which Foundation Model Offers the Best ROI?
- Gemini 3.1 Pro: $2 Input / $12 Output
- Claude Opus 4.6: $5 Input / $25 Output
- GPT-5.2 : Competitively priced, but often requires a rigid $20 Plus subscription for UI access.
How to Access Gemini 3.1 Pro (and 100+ Models) for Just $5.8
If paying $19.99/month for a single AI feels restrictive, there is a much smarter workaround. Aggregate platforms allow you to completely bypass official paywalls and regional blocks.
The GlobalGPT Advantage: Seamless Switching & No Region Locks
Avec GlobalGPT’s Basic Plan starting around $5.8, you unlock instant access to Gemini 3.1 Pro alongside 100+ other models. There are no rigid region restrictions or heavy usage limits compared to official sites.
You can seamlessly switch between elite text generation (GPT-5.2, Claude 4.5) and dynamic media models (Sora 2 Pro, Veo 3.1, NanoBanana) in one unified dashboard.

Questions fréquemment posées
- How much does Gemini 3.1 Pro cost per 1M tokens?
For Gemini 3.1 Pro Preview (Standard, ≤200k/request): $2/1M input et $12/1M output (includes thinking tokens). Above 200k/request: $4 input and $18 output.
- Is there a free Gemini 3.1 Pro API tier?
Non. You can test it in Google AI Studio for free, but the API requires paid billing for the free Gemini 3.1 Pro API tier capabilities to run in production.
- Does Gemini 3.1 Pro API charge for images and video?
Yes. When you upload images and video to the 1M context window, the media is converted into token equivalents. A single image might consume a few thousand input tokens, billed at the standard $2.00 per 1M token rate.
Join GlobalGPT today to compare and run Gemini 3.1 Pro alongside 100+ elite AI models in one seamless, budget-friendly workspace.

