AI in Slack

AI in Slack — 350+ models, one chat

Slack with Krater

Skip Slack AI at $10/user/month. Krater runs GPT-5, Claude Opus, and 350+ AI models on your Slack channels — summarize threads, draft replies, search history. From $20/mo.

Krater pricing · AI model directory · Canva integration

Slack AI limitations

  • Per-user add-on on top of Slack Business ($12.50+/user)
  • One model only (no GPT, Claude, or model choice)
  • No image, video, or voice generation
  • No cross-app workflows

Krater

  • 350+ AI models (GPT-5, Claude Opus 4, Gemini 3 Pro, Grok, DeepSeek)
  • Image, video, voice, and document tools included
  • Cross-app workflows, connect 300+ other apps
  • Per-account pricing, not per-seat
  • Plans from $20/month

Actions

Summarize a long Slack thread

Catch up on what you missed in 5 bullets.

Daily channel digest

Auto-summary of the most important messages each morning.

Search Slack history with AI

Ask a question, get an answer pulled from past messages.

Draft replies in your tone

Krater learns how you write and proposes responses.

Translate channels in real-time

Operate a multilingual team without copy-paste translation.

Auto-route customer questions

Detect intent and route to the right channel or person.

Send AI-generated standup posts

Daily updates written from your activity across tools.

Turn threads into action items

Extract owner, deadline, and tasks into your project tool.

Starter prompts

Summarize this thread

Summarize the Slack thread at <URL> into 5 bullet points and list action items.

What did I miss?

Summarize unread messages in my #general Slack channel from the last 24 hours.

Draft a reply

Draft a reply to the latest message in this Slack thread <URL>. Tone: friendly but concise.

Find a decision in history

Search my Slack workspace and find when we decided on

Translate this channel

Translate the last 50 messages in #marketing from English to Spanish.

Standup post

Write my standup post for #standups based on my GitHub commits and Linear issues from yesterday.

Extract action items

Read this Slack thread <URL> and extract all action items with owner and deadline.

Write a meeting recap

Draft a Slack message recapping a meeting about

Frequently asked questions

Is Krater a Slack AI alternative?

Yes. Slack AI is $10/user/month on top of Slack Business ($12.50+/user). Krater is $20/month total, gives you 350+ AI models, and works with the free Slack plan.

How do I summarize a Slack thread with Krater?

Connect Slack to Krater, paste the thread URL or @mention the channel, and ask Krater to summarize. Works with any model — GPT-5, Claude Opus, or Gemini 3 Pro.

Which Slack plans does this work with?

All of them, including Slack Free. Slack AI requires Slack Business or higher; Krater does not.

How do I connect Slack to Krater?

Open Krater, go to /additions, search Slack, click Connect, and complete the Slack OAuth flow. Takes about 30 seconds.

Is my Slack data safe?

Yes. Krater requests only the scopes needed for the actions you run, never trains on your data, and you can revoke access in Slack at any time.

Can Krater post messages and DM users in Slack?

Yes — once you grant the relevant scopes during OAuth. Krater can read channels, post messages, send DMs, and manage threads.

Does this work with Enterprise Grid?

Yes. Krater works with Slack Enterprise Grid as long as your workspace admin allows the OAuth connection.