CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS is a Claude Code environment variable: Experimental beta API features. Present since v2.1.69 or earlier and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Present since v2.1.69 or earlier
Category	Feature toggles
Official docs	Listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS": "<value>"
  }
}

Release notes that mention it

Related variables

CLAUDE_CODE_DISABLE_ADMIN_ENV_UNION
CLAUDE_CODE_DISABLE_ARTIFACT
CLAUDE_CODE_DISABLE_ATTACHMENTS: File/image attachments.
CLAUDE_CODE_DISABLE_CFC_PROMPT
CLAUDE_CODE_DISABLE_COMMAND_INJECTION_CHECK: Previously allowed disabling command injection detection.
CLAUDE_CODE_DISABLE_CRON: Disable cron/scheduled task functionality.
CLAUDE_CODE_DISABLE_EXPLORE_INHERIT_CAP: Lets the built-in Explore search agent run at the parent model instead of a cheaper capped default.
CLAUDE_CODE_DISABLE_FILE_CHECKPOINTING: Git-based file checkpointing/backup.

Frequently asked questions

What does CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS do?

Experimental beta API features

Which Claude Code version has CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS?

Present since v2.1.69 or earlier and still present in v2.1.294.

How do I set CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS?

Export it before starting Claude Code (export CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.