Home/AI agent builders/Stack AI/Alternatives

Stack AI alternatives

We found no price for Stack AI. 13 other AI agent builders have a price we could read. 8 have a free plan.

AI agent builders13 with a price8 with a free planChecked Oct 29, 2026

Stack AI today

Price Not found
Contract
Subscription term as agreed in an Order
Free plan
Free plan at $0/month with 500 runs per month, 2 projects, 1 seat, community support...

Other options (13)

No computed reason to switch, listed for completeness.

AlternativeStarts atAgainst Stack AIStates that Stack AI doesn'tContractFree plan
DronaHQUser-based Starter, read Oct 29, 2026 $12/userUser-based Starter plan, starting price Not comparable Multi-agent orchestration Annual plans and Prepaid monthly plans are paid in advance... Trial: One month free trial of the Business plan, no credit card required
HubSpot Breeze AgentsMarketing Hub Starter (pay ), read Oct 29, 2026 $20/userMarketing Hub Starter (pay ) plan, starting price Not comparable Nothing extra found No downgrades during the current term; downgrade at renewal Free Marketing Hub tools for up to 2 users, no credit card required
MindStudioIndividual, read Oct 29, 2026 $20/moIndividual plan, starting price Not comparable Nothing extra found Not found Free plan with one agent and 1,000 runs per month, plus usage costs for models
n8nStarter, read Oct 29, 2026 $24/moStarter plan, starting price Not comparable Nothing extra found Business plan: monthly commitment cancels at end of billing cycle... Trial: Free trial of n8n Cloud with 1,000 executions and no credit card; Business...
Zapier AgentsPlatform Professional ( view), read Oct 29, 2026 $29.99/moPlatform Professional ( view) plan, starting price Not comparable Nothing extra found Not found Agents Free: 400 activities per month with live data sources, web browsing...
PickaxeGold, read Oct 29, 2026 $37/moGold plan, starting price Not comparable Nothing extra found Business plan has a minimum 6-month commitment Trial: 14-day free trial
Jotform AI AgentsBronze, read Oct 29, 2026 $39/moBronze plan, starting price Not comparable Nothing extra found Monthly or yearly recurring subscription, cancel anytime Starter plan is free with all features included: 5 agents, 100 monthly...
LangChain (LangGraph)Plus, read Oct 29, 2026 $39/userPlus plan, starting price Not comparable Nothing extra found Developer and Plus are monthly self-serve; Enterprise is invoiced... Developer plan: $0 per seat, 1 seat, up to 5k base traces per month and...
LiveChatAIBasic, read Oct 29, 2026 $39/moBasic plan, starting price Not comparable Nothing extra found Monthly or annual subscription; annual gives 2 months free. Free plan with 250 message credits, 500K characters, 1 chatbot, 1 seat...
FlowHuntStarter, read Oct 29, 2026 €50/moStarter plan, starting price Not comparable Multi-agent orchestration Upgrade, downgrade or cancel anytime; changes take effect at the... Trial: 7-day free trial limited to 5 credits
BotpressPlus, read Oct 29, 2026 $150/mo yearlyPlus plan, starting price Not comparable Nothing extra found Not found Free plan with 100 conversations, 3 seats, 3 AI agents, no top-ups or overages
Microsoft Copilot StudioCopilot Credit pack, read Oct 29, 2026 $200/moCopilot Credit pack plan, starting price Not comparable Multi-agent orchestration Not found Not found
Google Vertex AI Agent Builderread Oct 29, 2026 $0.085/vCPU-hourUsage price Not comparable Multi-agent orchestration Not found Monthly free tier per account on agent resources: 50 Agent Compute hours...

No price found, or contact sales (5)

Questions

Is there a free alternative to Stack AI?

Yes. 8 AI agent builders have a free plan, including HubSpot Breeze Agents, MindStudio, Zapier Agents, Jotform AI Agents, LangChain (LangGraph).

How this page is made

Alternatives come from Stack AI's own category, AI agent builders. Prices come from each vendor's pricing page and are compared at the same volume where both can be computed, and by starting price where neither can. "States that Stack AI doesn't" lists what we found on the other vendor's site and didn't find on Stack AI's, which doesn't prove Stack AI lacks it. How prices are read.