Gemini 3 in Gemini Code Assist

Gemini 3 Pro and Gemini 3 Flash have been released and are available to select Gemini Code Assist users in VS Code and IntelliJ. Gemini 3 is supported in agent mode , chat , and code generation . Agent mode and chat responses include a label when they are generated using Gemini 3.

If you are running into issues, see the troubleshooting section for assistance.

Gemini 3 Availability

Gemini 3 is gradually being made available to Gemini Code Assist users.

License / Subscription	Gemini 3 Availability
Google AI Ultra	Available nowto all users in VS Code and IntelliJ
Google AI Pro	Available nowto all users in VS Code and IntelliJ
Gemini Code Assist Enterprise	Available nowto all users in VS Code and IntelliJ whose administrator has configured the Preview release channel
Gemini Code Assist Standard	Available nowto all users in VS Code and IntelliJ whose administrator has configured the Preview release channel
Gemini Code Assist for individuals	Available to select usersfrom the waitlist in VS Code and IntelliJ. Coming soon for other users
Google Developer Program	Coming soon
Google AI Ultra for Business	Coming soon

Use Gemini 3 in VS Code

If Gemini 3 is available to you, it will automatically be used for chat and code generation. The model selector can be used in chat to select a different model. Additional steps are required to use Gemini 3 in agent mode.

Agent mode

To use Gemini 3 in agent mode in VS Code, you need to enable the Gemini CLI Preview Features setting. This will configure Gemini 3 to be used by both Gemini CLI and agent mode in VS Code. There are several ways to configure the Gemini CLI Preview Features setting.

Workspace settings file

This file applies only when running the VS Code agent mode or Gemini CLI from within the specific project directory or its subdirectories. It overrides user settings.

If it doesn't exist already, create the following directory and file at the root of your workspace:
```
.gemini/settings.json
```

Add the following contents to the file:

{
    "general": {
        "previewFeatures": true
    }
}

Save the file and reopen VS Code.

User settings file

These settings apply to all projects for the current user.

If it doesn't exist already, create the following directory and file on your file system:

Linux/macOS:
```
~/.gemini/settings.json
```
Windows:
```
C:\Users\<YourUsername>\.gemini\settings.json
```

Add the following contents to the file:

{
    "general": {
        "previewFeatures": true
    }
}

Save the file and reopen VS Code.

Gemini CLI

Using the Gemini CLI, you can choose enable Gemini 3 at the user or workspace level by changing the Preview Feature setting to true. To apply the Preview Features setting for a specific workspace, ensure you run Gemini CLI from that workspaces directory.

Close VS Code.
Install the latest stable Gemini CLI if you haven't already done so.
Run Gemini CLI after installation using the following command:
```
gemini
```
In the Gemini CLI, open settings using the following command:
```
/settings
```
Navigate to the Preview Featuressetting and enable it at the workspace or user level.
Reopen VS Code.

Use Gemini 3 in IntelliJ

If Gemini 3 is available to you, it will automatically be used for agent mode, chat and code generation. The model selector can be used in chat to select a different model.

Troubleshooting

If you are running into issues using Gemini 3, there are several troubleshooting steps that may help.

Account not eligible for Gemini 3 in VS Code agent mode

If you enable Preview Features in Gemini CLI settings but aren't eligible for Gemini 3, you will see an error when trying to use agent mode in VS Code. You can resolve this by changing the Preview Feature setting to false for your at the user or workspace level using the prior instructions .

Unable to toggle into agent mode

This is the result of the same issue as Account not eligible for Gemini 3 in VS Code agent mode .

Gemini 3 works in Gemini CLI but not agent mode in VS Code

This can occur when the Gemini CLI Preview Features setting is enabled at the system level, which agent mode in VS Code does not use. If that is the case, try enabling the Preview Features setting at the user or workspace level using the prior instructions .