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Free to use Claude in slack

Claude is a large language model developed by Anthropic, with capabilities higher than GPT-3.5 and lower than GPT-4. There are currently three methods for using Claude:

  1. API
  2. Poe
  3. Slack

The first method is not discussed due to the high difficulty of applying for the API. The second method involves directly logging in to Poe (, so it is also not discussed. This article mainly focuses on the third method: Claude in Slack.

Slack is an enterprise-level team collaboration and communication software, and Claude is an application that can be integrated into Slack. Initially, Claude in Slack was free, but now it requires a Slack Professional plan to use, although the free version can add Claude, it will not respond.

Therefore, this article will teach you how to use Claude in Slack for free.


Note: Since there are no specific requirements from the official source, the following are based on my own experience and may not be accurate. If there are any additions, please leave a comment in the comment section.

  • Computer browser or a browser that can switch to a computer user agent (UA)
  • VPN or proxy


Register or log in to your account#

Go to Slack ( to log in or register for an account.

Create a new workspace#

Make sure your VPN or proxy is connected.
Click on "Create a new workspace" on the page.
Fill in the information randomly.
Previously created workspaces are unlikely to work.

Start the trial#

Find a feature that requires a professional plan to use, and you can start the trial. Here, we will use "Slack Connect" as an example.

  1. Click on "Explore Slack" in the top left corner to expand the menu.
  2. Click on the "Slack Connect" option.
  3. Close the pop-up window.
  4. Click on "Create a channel" on the "Slack Connect" page.
  5. Start the trial.
    After starting the trial, a window will pop up. Click on "Continue" and then close the window.
    If the "Start free trial" button does not appear, please refer to the FAQ section at the end of the article.

Add Claude#

Go to Claude in Slack (
Click on the "Add to Slack" button and follow the prompts.
"Success!" will appear if successful.

Claude in Slack | Anthropic

Test the conversation#

Go back to Slack and click on "Claude" under the "Apps" section in the sidebar, or use "@Claude" in a channel to interact with Claude.
At this point, the following message should appear:

We're excited for you to try our beta experience, Claude.
While we’ve developed Claude to be helpful, harmless, and honest, it is capable of generating incorrect or offensive content.
Please exercise caution as you interact with Claude and don’t share sensitive or personal information in your conversations.
We appreciate your feedback! Please report anything that may be offensive or unsafe for our team to review.
Before Claude can respond to your message, please agree to our Terms of Service, Privacy Policy, and Acceptable Use Policy.

Cancel  Agree

Select "Agree" to continue.

Now you can use Claude.

Frequently Asked Questions#

Q: Why does the Slack interface on my mobile browser look completely different from yours?
A: Check if you are accessing it with a computer user agent (UA).

Q: Why didn't I see the "Start free trial" button in step 2.3?
A: Try changing the VPN server or logging in with a Google account.

Q: I get an "App unavailable" error when adding Claude.
A: Try changing the VPN server.

Q: Can I still use Claude after the free trial ends?
A: It is currently uncertain, but it should still be possible. However, newly invited users will not be able to use Claude.

Q: Can I only use the trial once per account?
A: No, each workspace can be used for a trial once, and workspaces can be created indefinitely, allowing for unlimited trials.

Q: Can I directly purchase the Slack Professional plan to use Claude?
A: Yes, of course.

Q: Does having a Professional plan allow me to use Claude without restrictions?
A: No, it does not.

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