Plug & AIBest AI Apps for Slack 2026
Complete Comparison & Rankings
We compared the top AI apps for Slack on model quality, pricing, team features, and ease of use. Here's our definitive ranking.
Looking for the best AI chatbot in the browser (no Slack workspace)? Best AI chatbots 2026 — web apps ranked →
How Plug and AI Works
Plug and AI is a multi-model Slack app. It routes your prompts to providers like OpenAI, Anthropic, Google, xAI, and more. Think of it as a universal AI interface for Slack.
- Pick the best model for each question — switch mid-conversation
- Pay per use — no monthly subscription, no per-seat fees
- Works on free Slack plans (most features)
- $1.00 free credit to get started — no credit card required
Table of Contents
The Rankings
Plug and AI
300+ models in Slack · Pay-per-use · Works on free Slack plans
Plug and AI takes the top spot because it solves the biggest pain points with AI in Slack: vendor lock-in, expensive per-seat pricing, and paid Slack plan requirements. Instead of locking you into one model, it gives you access to 300+ models from every major provider — and you only pay for what you use: $0/month fixed, usage-based rates (details on the pricing page), free models at $0.
Pros
- 300+ models including GPT-6.1 Sol, Claude Sonnet 5.5, Gemini 3.1 Pro
- Pay per use — no per-seat fees ($0/month fixed)
- Works on free Slack plans
- $1.00 free credit to get started
- Image generation (Nano Banana 2) + vision
- Switch models mid-conversation
- Free channel and thread summarization (works with free open-source models)
- Unified workspace billing
Cons
- Newer platform, smaller community
- No pre-indexed native Slack search layer
Pricing: $0/month + pay per use
Add to Microsoft TeamsChatGPT for Slack
Official OpenAI integration · Slack App ID: A097V82EGG2
ChatGPT for Slack is the official OpenAI integration. It brings OpenAI's GPT models directly into your workspace with thread summarization and content creation. The downside: it requires a ChatGPT Business, Enterprise or Edu workspace.
Pros
- OpenAI GPT quality
- Thread summarization
- Content creation
- Slack message search
- Syncs with ChatGPT desktop
Cons
- Requires ChatGPT Business, Enterprise or Edu
- GPT models only
- Per-seat pricing
- Semantic search limited to Business+ Slack
Pricing: ChatGPT Business, Enterprise or Edu workspace required (Business $20/user/mo annual)
Full comparison →Claude for Slack
Official Anthropic integration · Slack App ID: A08SF47R6P4
Claude for Slack is Anthropic's official integration, bringing Claude's excellent reasoning and writing capabilities into your workspace. It works in channels, threads and DMs, and can turn bug reports into draft pull requests (with GitHub connected).
Pros
- Excellent reasoning and writing
- Draft pull requests from Slack (with GitHub)
- DM and thread mentions
- Strong safety guardrails
Cons
- Claude models only
- Requires a Claude Team or Enterprise org; channel work billed by usage
- No image generation
- Single provider lock-in
Pricing: Claude Tag needs a Claude Team or Enterprise org (Team Standard seats list at $20/seat/mo annual or $25 monthly) · Channel work bills the org usage balance under an Owner-set spend limit · Tag rate card unpublished
Full comparison →Perplexity for Slack
AI search in Slack with citations · Slack App ID: A07NV1D07QT
Perplexity for Slack is best understood as an AI search engine inside Slack. It excels at research tasks with web-sourced answers and inline citations, but is less suited for creative, coding, or general assistant tasks.
Pros
- Web-sourced answers with citations
- Query conversation history
- Cross-platform with perplexity.ai
- Good for research
Cons
- Search-focused (weak at creative/coding tasks)
- Not HIPAA compliant
- Perplexity-selected models (no per-message choice listed)
Pricing: Requires a paid Perplexity plan with Computer access
Full comparison →Manus for Slack
AI agent for Slack · Slack App ID: A099N0AHEH1
Manus for Slack positions itself as an AI agent — not just a chatbot. It can handle multi-step tasks like research, slide creation, and message summarization. Its Slack listing names ChatGPT, Claude and Gemini as the underlying models.
Pros
- Research and analysis capabilities
- Creates presentation-ready slides
- Message summarization
- Autonomous task completion
Cons
- Not HIPAA compliant
- Newer platform, less proven
Pricing: Varies
Full comparison →Slack AI (Slackbot)
Slack's built-in AI · Requires paid Slack plan · Slack's own AI
Slack AI is Slack's native AI feature. It offers thread summarization, channel recaps, and search — but only for teams on paid Slack plans. It uses Slack's own AI without a choice of models, and the cost is significant for larger teams.
Pros
- Native Slack integration
- Thread and channel summarization
- AI-powered search
Cons
- No AI on free Slack beyond a limited Slackbot preview
- Slack's own AI — no model choice
- $72.50–180/mo for a team of 10 (Slack Pro or Business+ plan)
- No image generation
- Per-seat pricing
Pricing: $72.50–180/mo for team of 10 · Paid Slack plan required · Slack's own AI
Full comparison →Side-by-Side Comparison
| Feature | Plug and AI | ChatGPT | Claude | Perplexity | Manus |
|---|---|---|---|---|---|
| Models | 300+ (all providers) | GPT models only | Claude models only | Perplexity-selected models | ChatGPT, Claude, Gemini |
| Pricing | Pay per use | Per-seat subscription (varies) | Team/Ent + usage | Subscription | Not stated |
| Free Slack Plan Support | Yes | Not stated | Not stated | Not stated | Not stated |
| Per-Seat Fees | None | Yes (per-seat) | No (org usage billing) | Yes | Yes (Team from $20/seat/mo) |
| Image Generation | Yes | Not listed | No | No | No |
| Vision / Image Analysis | Yes | Yes | Yes | No | No |
| Model Switching | Yes | No | No | No | No |
| Thread Summarization | Yes | Yes | Yes | No | Yes |
| Web Search | Yes (via models) | Yes | No | Core feature | Yes |
| Privacy / Data | No long-term conversation storage by Plug and AI | OpenAI data policies | Anthropic data policies | Not HIPAA compliant | Not HIPAA compliant |
Pricing Comparison
| App | Monthly Fixed Cost | Per-Seat Cost | Slack Plan Required | Team Cost (Est.) |
|---|---|---|---|---|
| Plug and AI | $0 | $0 (pay per use) | Free plan works | Varies by usage |
| ChatGPT for Slack | ChatGPT subscription | Per-seat subscription (varies) | Not stated | Scales with seats |
| Claude for Slack | Team/Ent org plan | No seat per Slack user for channel work; Tag rate card unpublished | Not stated | Org plan + usage (varies) |
| Perplexity for Slack | Paid Perplexity plan (Computer) | Per-seat | — | Scales with seats |
| Manus for Slack | Varies | Yes (Team from $20/seat/mo) | Not stated | Varies |
| Slack AI (Slackbot) | Slack Pro/Business+ subscription | Per-seat ($7.25–18/user/mo) | Paid Slack required (no free plan) | $72.50–180/mo (team of 10) |
Best For Each Use Case
| Use Case | Best Pick | Why |
|---|---|---|
| Best Overall Flexibility | Plug and AI | 300+ models, pay per use, no lock-in |
| Best for Teams on a Budget | Plug and AI | $0 fixed + pay-per-use, works on free Slack |
| Best Model Quality (Single Model) | ChatGPT for Slack | OpenAI GPT quality + native summarization |
| Best for Research | Perplexity for Slack | Web search + inline citations |
| Best for Code Assistance | Claude for Slack | Draft pull requests from Slack (with GitHub) |
| Best for Creative Tasks | Plug and AI | Access all models + image generation |
| Best for Autonomous Tasks | Manus for Slack | Multi-step tasks, slides, research |
| Works on Free Slack Plans | Plug and AI | Only full-featured multi-model AI app for free Slack plans |
Our Verdict
Plug and AI — Best Overall AI App for Slack in 2026
No other Slack AI app gives you this combination: 300+ models from every major provider, pay-per-use pricing with no per-seat fees, and compatibility with free Slack plans. Whether you need GPT-6.1 Sol for writing, Claude Sonnet 5.5 for reasoning, or Gemini 3.1 Pro for analysis, Plug and AI lets you pick the right model for every question — all from one app.
For teams that want the best single-provider experience, ChatGPT for Slack (#2) and Claude for Slack (#3) are excellent choices. For research, Perplexity (#4) stands out. And for autonomous multi-step tasks, Manus (#5) shows promise. But for model choice and pay-per-use flexibility, Plug and AI is our top pick.
We're not alone in this assessment: independent reviewer Innvesti ranks Plug and AI among the top tools in its Best AI Tools for Slack in 2026 report, highlighting its multi-model access and pay-per-use pricing.
Includes $1.00 free credit · No credit card required
Frequently Asked Questions
Rankings, free Slack plans, pricing.
What is the best AI app for Slack in 2026?
Plug and AI is the best overall AI app for Slack in 2026. It gives you access to 300+ AI models including GPT-6.1 Sol, Claude Sonnet 5.5, and Gemini 3.1 Pro — all in one Slack app. It uses pay-per-use pricing with no per-seat fees and works on free Slack plans. For dedicated single-model use, ChatGPT for Slack and Claude for Slack are also strong choices.
Which AI Slack app works on free Slack plans?
Plug and AI works on free Slack plans for core features. Most features — including @mentions, direct messages, /ai commands, thread conversations, image analysis, image generation, and App Home — work on all Slack plans including free. Slack AI (the built-in Slackbot AI) does NOT work on free Slack plans beyond a limited Slackbot preview — it requires a paid Slack Pro or Business+ subscription, making it significantly more expensive.
Is there a Slack AI app with all models?
Yes. Plug and AI provides access to 300+ AI models from all major providers — OpenAI (GPT-6.1 Sol), Anthropic (Claude Sonnet 5.5), Google (Gemini 3.1 Pro), xAI (Grok), DeepSeek, Meta (Llama), and more — all through a single Slack app. You can switch models mid-conversation to find the best fit for each task. If you want to evaluate the underlying models outside Slack, our web companion at PLAI.chat publishes a best AI chatbots ranking updated for 2026.
What is the cheapest AI app for Slack?
Plug and AI is a cost-effective AI app for Slack. It has $0/month fixed cost with pay-per-use pricing and a $1.00 free credit to get started. Costs scale with usage, while per-seat subscriptions scale with team size. Other AI Slack apps may also require paid Slack plans. If you want a zero-cost way to trial the same models first, try no-login AI chat on PLAI.chat.
Can I use ChatGPT and Claude in the same Slack workspace?
Yes. With Plug and AI, you can access both ChatGPT (GPT-6.1 Sol) and Claude (Sonnet 5.5) — plus 300+ other models — in the same Slack workspace through a single app. You can switch between models mid-conversation without installing separate apps. This is one of the biggest advantages of Plug and AI over single-provider apps.
#1 Ranked AI App for Slack
Try the #1 Ranked AI App for Slack
300+ AI models. Pay per use. No per-seat fees. Works on free Slack plans. $1.00 free credit to get started.
Includes $1.00 free credit · No credit card to start