ToolRankCheapest AI automation tools: lowest verified paid plans
Updated 16 Oct 2026 · Prices from vendor pages only · How we rank →
The short answer
This list ranks AI automation tools purely by their cheapest verified paid plan. Zapier comes first: the largest app ecosystem with a free forever plan and simple task-based pricing. The cheapest verified paid plan here is Zapier Professional (from $19.99/month). 8 of the 9 have a free plan we could confirm. Every price below is from the vendor’s own page, checked 16 Oct 2026.
Ranked shortlist
- Zapier: The largest app ecosystem with a free forever plan and simple task-based pricing. Plan: Professional: from $19.99/month
Multi-step Zaps - Vapi: Developer platform for voice AI agents. Plan: Core: $29/month
- Lindy: No-code AI agents for business tasks like email and scheduling. Plan: Team: From $29.99/month
3,000 credits/month; higher credit levels up to $99.99 - Flowise: Open-source drag-and-drop builder for LLM agents. Plan: Starter: $35/month
Unlimited flows - Gumloop: Drag-and-drop AI automation and agent builder. Plan: Pro: Starts at $37/month
20k credits/month - LlamaIndex: Framework and cloud for agents over your documents. Plan: Starter: $50/month
- Botpress: Platform for building AI chat agents. Plan: Plus: $150/month billed annually
250 conversations/month, $25 AI usage - Agno: Open-source Python framework and runtime for multi-agent systems. Plan: Pro: $150/month
Control plane; $30/mo per extra seat - Mastra: Open-source TypeScript agent framework. Plan: Teams: $250/month
Ordered strictly by lowest verified monthly price, cheapest first. Rank in the category ranking is shown on each profile. 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 | Zapier | Professional: from $19.99/month Multi-step Zaps | $19.99/month (Professional) | 100 tasks/month; Zaps, Tables and Forms included | Non-technical teams automating across many SaaS apps | Free plan is 100 tasks/month; costs scale with task volume. | 16 Oct 2026 |
| #2 | Vapi | Core: $29/month | $29/month (Core) plus usage | $5 free credits, then pay per minute | Developers building voice agents | Total cost stacks transcriber, model and voice per-minute fees | 16 Oct 2026 |
| #3 | Lindy | Team: From $29.99/month 3,000 credits/month; higher credit levels up to $99.99 | $29.99/month (3,000 credits) | $50 in free credits for 7 days, no card | AI assistants that handle email, meetings and admin | Free credits expire after 7 days | 16 Oct 2026 |
| #4 | Flowise | Starter: $35/month Unlimited flows | $35/month (Starter) | Free: $0/month, 2 flows and assistants | Visual LLM flow building | Free cloud plan is limited to 2 flows | 16 Oct 2026 |
| #5 | Gumloop | Pro: Starts at $37/month 20k credits/month | $37/month (Pro) | 14-day free trial | No-code AI workflow automation | No permanent free plan shown on the pricing page | 16 Oct 2026 |
| #6 | LlamaIndex | Starter: $50/month | $50/month (Starter) | Free: $0/month | Document parsing and retrieval for LLM apps | Cloud credits limit parsing volume | 16 Oct 2026 |
| #7 | Botpress | Plus: $150/month billed annually 250 conversations/month, $25 AI usage | $150/month (Plus, billed annually) | Free: 100 conversations/month | Customer-facing chatbots | Paid plans start high for small projects | 16 Oct 2026 |
| #8 | Agno | Pro: $150/month Control plane; $30/mo per extra seat | $150/month (Pro) | Free: $0/month runtime, you host it | Python developers running agents on their own infrastructure | Control plane needs Pro | 16 Oct 2026 |
| #9 | Mastra | Teams: $250/month | $250/month (Teams) | Starter: free for everyone; self-hosted open-source framework | TypeScript developers building agents | Cloud Teams plan starts high | 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 Zapier for non-technical teams automating across many SaaS apps (Professional: from $19.99/month); think twice if you run very high volumes and want self-hosting. Pick Vapi for developers building voice agents (Core: $29/month). Watch out: total cost stacks transcriber, model and voice per-minute fees. Pick Lindy for AI assistants that handle email, meetings and admin (Team: From $29.99/month). Watch out: free credits expire after 7 days. Pick Flowise for visual LLM flow building (Starter: $35/month). Watch out: free cloud plan is limited to 2 flows. Pick Gumloop for no-code AI workflow automation (Pro: Starts at $37/month). Watch out: no permanent free plan shown on the pricing page. Pick LlamaIndex for document parsing and retrieval for LLM apps (Starter: $50/month). Watch out: cloud credits limit parsing volume. Pick Botpress for customer-facing chatbots (Plus: $150/month billed annually). Watch out: paid plans start high for small projects.
FAQ
Which of these is cheapest?
Zapier Professional (from $19.99/month) is the lowest paid price we verified on this list (https://zapier.com/pricing, checked 16 Oct 2026). Check the vendor page for tax, billing period and usage limits.
Which of these have a free plan?
Zapier: 100 tasks/month; Zaps, Tables and Forms included; Vapi: $5 free credits, then pay per minute; Lindy: $50 in free credits for 7 days, no card; Flowise: Free: $0/month, 2 flows and assistants; LlamaIndex: Free: $0/month; Botpress: Free: 100 conversations/month; Agno: Free: $0/month runtime, you host it; Mastra: Starter: free for everyone; self-hosted open-source framework.
How were these tools chosen?
They are the tools in ToolRank's rankings with a paid plan price we could read on the vendor page, confirmed on the vendor's own website on 16 Oct 2026. Tools we could not verify are left out rather than guessed, and anything unconfirmed is marked Not yet verified.
Sources
- Zapier: Zapier pricing checked 16 Oct 2026
- Zapier: Zapier Agents checked 16 Oct 2026
- Vapi: Vapi pricing checked 16 Oct 2026
- Lindy: Lindy pricing checked 16 Oct 2026
- Flowise: Flowise pricing checked 16 Oct 2026
- Gumloop: Gumloop pricing checked 16 Oct 2026
- LlamaIndex: LlamaIndex pricing checked 16 Oct 2026
- Botpress: Botpress pricing checked 16 Oct 2026
- Agno: Agno pricing checked 16 Oct 2026
- Mastra: Mastra pricing checked 16 Oct 2026
Related comparisons
Profiles: Zapier · Vapi · Lindy · Flowise · Gumloop · LlamaIndex · Botpress · Agno · Mastra
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