About Gemini models

When you use Gemini Apps, different Gemini models can provide the best experience based on your specific needs, whether you want quick everyday answers or in-depth analysis for complex problems. Some models are only available with Google AI plans. Learn how to manage your Google AI plan from Gemini Apps.

Important: The info below is accurate if your access to Gemini is through a personal Google Account. If your access to Gemini is through a work or school account, model and feature availability will depend on your Workspace license.  Learn about Gemini Apps with a work or school account.

Overview of Gemini models

Google offers several Gemini models designed for different types of tasks:

  • Gemini Flash-Lite: A fast, cost-efficient model built for quick answers to everyday questions and lightweight tasks.
  • Gemini Flash: A high-speed, capable model that balances performance and responsiveness across standard chat and task modes.
  • Gemini Pro: An advanced reasoning model designed for complex prompts, sophisticated coding, and in-depth problem-solving.
  • Gemini Argon: Top-tier intelligence, dynamic deep reasoning, and the highest performance for complex workflows.

Model availability 

Access to specific Gemini models, thinking levels, and task features varies depending on your plan and your remaining available usage. The information below is subject to change without notice.

Google AI Plan Available Models (Chats) Available Models (Tasks) Thinking Levels

No Google AI Plan

  • Auto or Flash-Lite*
  • N/A

Low, Medium, High

Google AI Plus

  • Flash-Lite
  • Flash
  • Pro
  • N/A

Low, Medium, High

Google AI Pro

  • Flash-Lite
  • Flash
  • Pro
  • Argon
  • Flash
  • Argon

Low, Medium, High

Google AI Ultra

  • Flash-Lite
  • Flash
  • Pro
  • Argon
  • Flash
  • Argon

Low, Medium, High

*If auto model selection is turned on, Gemini will choose the appropriate model for each prompt. Most prompts will use Flash-Lite for quick answers. Prompts that require more reasoning may use Flash or Pro. If auto model selection is turned off, all responses will use Flash-Lite.

Thinking levels

When using Gemini, you can adjust the depth of reasoning the model uses to generate responses:

  • Low: Provides fast, concise answers for straightforward queries.
  • Medium: Balances processing speed and reasoning depth for everyday tasks.
  • High: Allows the model to carefully process and reason through complex, multistep prompts.

Tips:  

  • More advanced models and higher thinking levels require more of your usage. Learn more about Gemini Apps limits.
  • If you have a Google AI plan and reach your usage limit, your chat will continue with Flash-Lite. 

Auto model selection

Gemini Apps uses auto model selection to decide the best model for your prompt. Learn how to turn this feature on or off.

When auto model selection is on, your prompts are automatically routed to the most efficient model and thinking level to deliver the best possible response and preserve your usage.

View which model generated a response

In the Gemini mobile app
  1. On your Android phone or tablet, open the Gemini app .
  2. At the top left, tap Menu Menu and from the panel, tap a chat.
  3. At the bottom of a response, tap More .
  4. From the menu, select See response details .
  5. The details will include the model that was used to generate the response.
In the Gemini web app
  1. On your Android phone or tablet, go to gemini.google.com.
  2. At the top left, tap Menu Menu and from the panel, tap a chat.
  3. At the bottom of a response, tap More .
  4. From the menu, select See response details .
  5. The details will include the model that was used to generate the response.

Manually switch models

If you have a Google AI plan you can manually switch models in both Chat Mode and Task Mode. Learn more about Tasks in Gemini apps.

Switch your model in Chat Mode or Task Mode

  1. On your Android phone or tablet, visit gemini.google.com or open the Gemini mobile app .
  2. At the bottom of the chat box, tap the current selected model .
  3. Tap the model you want to use.
    • Higher-tier models marked with a lock icon require an eligible plan upgrade
  4. (Optional) Select your preferred thinking level: 
    • Low
    • Medium 
    • High

Gemini will continue to use that model and thinking level during the current conversation including if you later return to that same conversation.

Tip:  If you don’t select a thinking level, it will default to Low.

Turn auto model selection on or off

In the Gemini mobile app
  1. On your Android phone or tablet, go to gemini.google.com.
  2. At the top left, tap Menu Menu.
  3. At the bottom left tap Settings > Usage limits .
  4. At the bottom, turn auto model selection on or off .
In the Gemini web app
  1. On your Android phone or tablet, open the Gemini app .
  2. At the top left, tap Menu Menu.
  3. At the bottom left tap Settings > Usage limits .
  4. At the bottom, turn auto model selection on or off .

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