ToolRankBest AI coding agents you can use from Slack
Updated 19 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
Each of these coding tools lists Slack among its integrations. Cursor comes first: a full AI-native editor with agents, cloud automations and code review, and a free tier to start. The cheapest verified paid plan here is Cursor Plus ($8/month). 4 of the 5 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 16–19 Oct 2026.
Ranked shortlist
- Cursor: A full AI-native editor with agents, cloud automations and code review, and a free tier to start. Plan: Plus: $8/month
Shared AI usage pool, Grok models only - Claude Code: Anthropic's agentic coder runs in your terminal and repo, included with Claude paid plans. Plan: Claude Pro: $17/month annual or $20 monthly
- OpenAI Codex: OpenAI's coding agent across CLI, IDE and cloud. Plan: Go: $8/month
More messages, uploads and image creation; limited Codex; may include ads - Devin: Delegates whole tickets to a cloud agent that plans, writes code and opens PRs. It connects to Slack, Linear, Jira and your git host, and since 2026 the self-serve plans start free. Plan: Pro: $20/month
Higher quotas, frontier models, Devin Cloud agents, extra usage at API pricing - OpenHands: MIT-licensed, model-agnostic agent with a web GUI, CLI and SDK. It runs free locally with unlimited conversations, there's a free cloud Individual tier, and the GitHub community is large (about 91K stars). Plan: Open source: free, unlimited local use. Cloud Individual: free, 10 conversations/day, BYOK or at-cost models
Order follows ToolRank’s editorial ranking in Coding & App Building, filtered to tools that fit this page. Anything we couldn’t confirm on a vendor page says “Not yet verified”.
Side by side
| Rank | Tool | Relevant plan | Starting price | Free plan | Best for | Main limitation | Last checked |
|---|---|---|---|---|---|---|---|
| #1 | Cursor | Plus: $8/month Shared AI usage pool, Grok models only | $8/month (Plus) | Free: limited agent requests and limited chat requests | Developers who want an AI-first editor with agents and code review | Free plan has limited agent and chat requests; third-party model usage is billed separately from plan prices. | 19 Oct 2026 |
| #2 | Claude Code | Claude Pro: $17/month annual or $20 monthly | $17/month (via Claude Pro, billed annually) | ✕ None listed | Developers who prefer terminal-driven agents working across a repo | No standalone free tier: usage comes from a paid Claude plan (Pro, Max, Team) or API usage. | 19 Oct 2026 |
| #3 | OpenAI Codex | Go: $8/month More messages, uploads and image creation; limited Codex; may include ads | $8/month (ChatGPT Go) | Included in ChatGPT Free with limited Codex access | ChatGPT subscribers who want one coding agent across the terminal, IDE, desktop app and cloud | Usage limits depend on your ChatGPT plan; Plus and Pro users who hit them must buy extra credits | 19 Oct 2026 |
| #4 | Devin | Pro: $20/month Higher quotas, frontier models, Devin Cloud agents, extra usage at API pricing | $20/month (Pro) | Free plan: light quota, limited models (no cloud agents) | Teams that want to hand well-scoped tickets to an agent and review the PRs | Cloud agents (Devin Cloud) need Pro ($20/month) or above, and heavy use draws down quota that is topped up at API prices. You still have to review every PR it opens. | 16 Oct 2026 |
| #5 | OpenHands | Open source: free, unlimited local use. Cloud Individual: free, 10 conversations/day, BYOK or at-cost models | Not yet verified | Open source: free, unlimited local use. Cloud Individual: free, 10 conversations/day, BYOK or at-cost models | Teams that want an autonomous agent they can self-host and audit | The free cloud tier caps you at 10 conversations a day, and you pay your own LLM costs (BYOK, or OpenHands' provider at cost). | 16 Oct 2026 |
Prices as listed by each vendor on the last-checked date, USD, before tax. Plans and limits change, so follow the sources below.
Who should pick which
Pick Cursor for developers who want an AI-first editor with agents and code review (Plus: $8/month); think twice if you want flat pricing that includes third-party models. Pick Claude Code for developers who prefer terminal-driven agents working across a repo (Claude Pro: $17/month annual or $20 monthly); think twice if you want a free tool or a graphical editor experience. Pick OpenAI Codex for ChatGPT subscribers who want one coding agent across the terminal, IDE, desktop app and cloud (Go: $8/month). Watch out: usage limits depend on your ChatGPT plan; Plus and Pro users who hit them must buy extra credits. Pick Devin for teams that want to hand well-scoped tickets to an agent and review the PRs (Pro: $20/month); think twice if you want to stay hands-on in your editor, or you can't give an agent repo access. Pick OpenHands for teams that want an autonomous agent they can self-host and audit (free plan: Open source: free, unlimited local use. Cloud Individual: free, 10 conversations/day, BYOK or at-cost models); think twice if you want an inline autocomplete assistant inside your editor.
FAQ
Which of these is cheapest?
Cursor Plus ($8/month) is the lowest paid price we verified on this list (https://cursor.com/pricing, checked 19 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
Cursor: Free: limited agent requests and limited chat requests; OpenAI Codex: Included in ChatGPT Free with limited Codex access; Devin: Free plan: light quota, limited models (no cloud agents); OpenHands: Open source: free, unlimited local use. Cloud Individual: free, 10 conversations/day, BYOK or at-cost models.
How were these tools chosen?
They are the tools in ToolRank's rankings with Slack listed by the vendor, confirmed on the vendor's own website on 16–19 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- Cursor: Cursor pricing checked 19 Oct 2026
- Cursor: Cursor Slack integration docs checked 19 Oct 2026
- Claude Code: Claude pricing checked 19 Oct 2026
- Claude Code: Claude Code in Slack docs checked 19 Oct 2026
- Claude Code: Claude Code docs checked 16 Oct 2026
- OpenAI Codex: ChatGPT and Codex plan prices (OpenAI docs) checked 19 Oct 2026
- OpenAI Codex: ChatGPT pricing (plan features) checked 19 Oct 2026
- OpenAI Codex: Codex CLI GitHub repository checked 19 Oct 2026
- OpenAI Codex: Use ChatGPT in Slack (Codex Cloud delegation) checked 19 Oct 2026
- Devin: Devin pricing checked 16 Oct 2026
- OpenHands: OpenHands pricing checked 16 Oct 2026
- OpenHands: OpenHands GitHub (MIT) checked 16 Oct 2026
Related comparisons
Profiles: Cursor · Claude Code · OpenAI Codex · Devin · OpenHands
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