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Gemini & Google AI

Gemini guides: comparing models, free tiers and rate limits, Google AI Studio and Vertex AI, API keys and billing, plus subscription plans and student offers.
  • 15 articles
  • Updated Oct 10, 2026
Infographic showing the U.S. Google AI Pro student offer, eligibility rules, official claim steps, 5 TB benefits, and the $19.99 renewal warning

Google AI Pro Is Free for Eligible U.S. College Students for 12 Months

Google has reopened a live student offer: eligible U.S. college students can redeem 12 months of Google AI Pro at no charge through December 31, 2026. Eligibility is account-specific, a payment method is required, and the plan renews at $19.99 per month unless cancelled.

7 min
Gemma 4 guide cover showing the split between edge models and workstation models

Gemma 4 Guide: Which Model to Use and Where to Run It

Gemma 4 is not one model. It is a four-model open family with a clear practical split: E2B and E4B for edge and on-device work, 26B A4B and 31B for workstation-class local inference. This guide helps you pick the right branch and the right place to run it.

12 min
Gemini 3.1 Pro Customtools complete guide for AI agent development

Gemini 3.1 Pro Customtools: The Complete Guide to Building Reliable AI Agents (2026)

Gemini 3.1 Pro Customtools is Google's specialized model variant that prioritizes your custom tools over bash commands. This guide covers everything from the standard vs customtools behavioral difference to building production-ready AI agents with working code examples, dynamic routing strategies, and verified pricing data.

16 min
Gemini 3.1 Pro thinking levels complete guide showing LOW MEDIUM HIGH configuration

How to Set Gemini 3.1 Pro Thinking Levels: Complete Guide to LOW, MEDIUM, HIGH and Deep Think Mini (2026)

Gemini 3.1 Pro offers three thinking levels—LOW, MEDIUM, and HIGH—configured through the thinking_level parameter. Set LOW for fast tasks, MEDIUM as your daily default, and HIGH to activate Deep Think Mini for complex reasoning. The API defaults to HIGH (most expensive), so always specify your level explicitly. This guide covers complete code examples, cost optimization strategies, and migration from thinking_budget.

25 min