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Google AI Tools Complete Guide 2026: Gemini 3, AI Pro/Ultra, NotebookLM, Deep Research, and the Full Ecosystem

2026-01-21濱本

A comprehensive 2026 guide to Google's AI ecosystem — covering the new AI Pro ($19.99/month) and AI Ultra ($149.99/month) plans, Gemini 3 in NotebookLM, Deep Research's multi-hundred-site scanning, Super Gems app-like experiences, Veo 3 video generation, and comparisons with OpenAI and Claude.

Google AI Tools Complete Guide 2026: Gemini 3, AI Pro/Ultra, NotebookLM, Deep Research, and the Full Ecosystem
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This is Hamamoto from TIMEWELL.

Google's AI ecosystem reached a significant inflection point in 2026. The I/O 2025 announcements restructured both the pricing and the product lineup in ways that matter practically for business users. This article covers the full picture: what changed, what each product does, and how to apply them in a business context.

What Changed in 2026: The Quick Summary

Item Detail
New pricing AI Pro $19.99/month, AI Ultra $149.99/month
NotebookLM Upgraded to Gemini 3; improved reasoning and multimodal
Gemini Gemini 3 Flash (Auto), 1 million token context
Deep Research Hundreds of sites scanned automatically; file/image input
Super Gems Button and form-capable app-like experiences
Veo 3 8-second video generation with audio and BGM
Developer tools Jules, Gemini CLI, Firebase Studio
Education Free upgrade program for students (Japan included)

New Pricing: AI Pro and AI Ultra

AI Pro — $19.99/month

AI Pro replaces the former Gemini Advanced plan.

What AI Pro includes:

  • Gemini 3 Flash (Auto mode) — fast, capable responses for everyday tasks
  • Thinking mode via Gemini 3 Pro — structured reasoning for complex problems
  • 1 million token context window — approximately 1,500 pages of text or 30,000 lines of code
  • NotebookLM: 20 Audio Overviews per day, 500 notebooks, 300 sources per notebook

AI Ultra — $149.99/month

What AI Ultra adds:

  • All AI Pro features
  • Priority access to Deep Research
  • Enhanced NotebookLM capacity
  • Maximum usage limits across all tools

Gemini 3: The Third Generation

Model Lineup

Model Characteristics
Gemini 3 Flash Auto mode, fast responses for standard tasks
Gemini 3 Pro Thinking mode for complex, multi-step reasoning
Gemini 3 Ultra Highest capability, research and enterprise applications

Super Gems: App-Like Experiences

Super Gems extends the earlier Gems feature into interactive experiences with buttons, forms, and structured interfaces — built without code.

Business applications:

  • Automated proposal generation with structured inputs
  • Customer support bots with guided question flows
  • Internal FAQ systems with form-based filtering

Veo 3: Video Generation

Veo 3 is integrated directly into Gemini and generates 8-second video clips from text prompts, with automatic BGM and sound effects.


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NotebookLM: Gemini 3 Upgrade

NotebookLM moved from Gemini 2.5 Flash to Gemini 3 in 2026.

AI Pro vs. Free Tier Comparison

Feature Free AI Pro
Audio Overviews/day 3 20
Notebooks 100 500
Sources/notebook 50 300

New Features in 2026

Data Tables: Extracts information into structured tables, exportable to Google Sheets.

Gemini Integration: NotebookLM notebooks can be pulled directly into a Gemini conversation for combined analysis.


Deep Research: The Automated Research Agent

Deep Research automatically scans hundreds of websites and produces a structured, cited report.

2026 New Features

  • File and Image Upload: Internal documents and images accepted as research sources
  • Canvas Integration: Research outputs transformed into interactive visual presentations or quiz formats

Example Workflow: Market Research

  1. Enter: "Research EV market trends for 2026"
  2. Deep Research scans hundreds of sources automatically
  3. A structured report is generated with sections and citations
  4. Export to Canvas for presentation, or to NotebookLM for further analysis

Developer Tools

Tool Function
Jules Asynchronous coding agent — delegate tasks, review output
Gemini CLI Terminal-based Gemini access for development workflows
Firebase Studio Full development environment for complex software
Google AI Studio Prototyping environment; UI design via Stitch

Google Workspace Integration

Application Gemini Capabilities
Gmail Email summarization, reply drafting
Google Docs Document generation, editing, summarization
Google Sheets Data analysis, formula generation
Google Slides Automatic presentation generation
Google Meet Meeting summarization, action item extraction

Then vs. Now: How Google AI Has Changed

Item Early 2024 (Bard era) January 2026
Brand Bard Gemini
Model Gemini 1.0/1.5 Gemini 3 series
Pricing Gemini Advanced $20 AI Pro $20, AI Ultra $150
Context 128K tokens 1 million tokens
NotebookLM Basic features only Gemini 3, 300 sources
Deep Research Not available Hundreds of sites, file/image input
Video generation Not available Veo 3 (8 seconds, with audio)
Developer tools Limited Jules, Gemini CLI, Firebase Studio

Competitive Comparison

Google AI vs. OpenAI

Item Google AI OpenAI
Search integration AI Mode (Google Search) ChatGPT Search
Notebook function NotebookLM Not available
Context window 1 million tokens 200K tokens
Video generation Veo 3 Sora 2
Pricing AI Pro $20, Ultra $150 Plus $20, Pro $200

Google AI vs. Claude

Item Google AI Claude
Strengths Ecosystem integration Code generation, long-horizon tasks
Notebook function NotebookLM Not available
Developer tools Firebase Studio, Jules Claude Code

Business Use Cases

Research and Information Gathering

  1. Request a market research report via Deep Research
  2. Hundreds of sources automatically compiled into structured report
  3. Upload to NotebookLM with related internal documents
  4. Convert to Audio Overview for review on the go

Document Production

  1. Draft in Google Docs
  2. Gemini proposes improvements
  3. Google Slides auto-generates the presentation
  4. Super Gems builds a structured review tool for team feedback

Summary

Google's AI ecosystem in 2026 covers search, document production, video generation, and software development under a single integrated platform.

Key points:

  • AI Pro $19.99/month, AI Ultra $149.99/month
  • NotebookLM with Gemini 3 — significantly improved reasoning
  • Deep Research — hundreds of sites, file/image input supported
  • Super Gems — buttons and forms without code
  • Veo 3 — 8-second video with audio from text
  • 1 million token context window
  • Jules, Gemini CLI, Firebase Studio for developers
  • Free student program active in Japan

For organizations already in the Google Workspace ecosystem, the native integration across tools represents a compounding advantage that standalone AI tools cannot easily replicate.

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