All Stack AI Plans & Pricing

Plan Monthly Annual Best For
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Free

  • 500 runs/month
  • 1 seat
  • 2 projects
  • Community support on Discord

Enterprise

  • Custom runs, seats, projects (unlimited)
  • Dedicated infrastructure + solution engineers
  • On-prem and VPC deployment
  • SOC 2, HIPAA, GDPR compliance
  • Access control + SSO
  • All data loaders and plugins
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Quick Answer
Last verified:
Medium confidence

Stack AI uses custom pricing as of July 2026 with 2 plans available. Contact Stack AI directly for a personalized quote. Plan: Free (free). Enterprise pricing is available on request. The median contract is $500/year based on 38 verified purchases.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Stack AI offers 2 pricing tiers: Free, Enterprise. The Enterprise plan is regulated enterprises needing vpc/on-prem.

Compared to other ai agent platforms software, Stack AI is positioned at the budget-friendly price point.

  • Median contract: $500/yr from 38 purchases Directional
  • 11 documented hidden costs beyond list price
  • Contracts auto-renew — at least fourteen (14) days before the end of the current term
  • G2 rating: 4.5 out of 5 from 38 reviews (as of Jul 2026)

How much does Stack AI cost?

Stack AI uses custom pricing across 2 plans. Contact Stack AI directly for a personalized quote. Plans include Free (free), Enterprise (custom pricing).

Stack AI Pricing Overview

Stack AI uses custom pricing — contact their sales team for a quote. The Free plan is free and is best for evaluating the platform. The Enterprise plan requires contacting sales for a custom quote and is designed for regulated enterprises needing vpc/on-prem.

Stack AI contracts auto-renew, with a one-year terms minimum commitment.

The median Stack AI customer pays $500/year based on 38 verified purchases.

There are at least 11 documented hidden costs beyond Stack AI's list price, including implementation, training, and add-on fees.

This pricing was last verified in July 12, 2026.

Stack AI offers a Free plan at no cost, making it accessible for individuals and teams beginning to explore AI-powered workflow automation. Organizations requiring advanced features, security controls, or dedicated support can access the Enterprise plan at custom pricing negotiated directly with Stack AI's sales team. There is no published mid-tier pricing — buyers move directly from the Free plan to a custom Enterprise contract.

How Stack AI Pricing Compares

Compare Stack AI pricing against top alternatives in AI Agent Platforms.

Compare Stack AI vs Alternatives

Before committing to Stack AI, compare pricing with these 3 alternatives in the same category.

All Stack AI alternatives & migration guides

What Companies Actually Pay for Stack AI

The median Stack AI buyer pays $500/year based on 38 verified purchase transactions.

What companies actually pay $500/yr Median across 38 community cost mentions Directional
Review scores
G2 4.5out of 5 (38)
Third-party review aggregates, as of Jul 2026
Top pricing complaints
Debugging and Pricing Need ImprovementLimited Native Integrations and Challenging SetupFeature Limitations and Inconsistent PerformanceUnclear Documentation
Source: Community cost mentions (Reddit, Hacker News) — aggregated from 38 distinct user reports. Indicative only — not contract-grade data.

How Stack AI Pricing Compares

Software Starting Price Top Price
Stack AI Custom Custom
CrewAI Enterprise Custom Custom
Dust $29/per seat / month $29/per seat / month
LangGraph Platform Free $39/per seat / month + usage
Relevance AI Free $234/per month (seat + credits)
AgentOps Free $40/events

11 Stack AI Hidden Costs Beyond the List Price

Beyond the listed price, Stack AI has at least 11 documented hidden costs that can significantly increase total cost of ownership.

Watch for 11 hidden costs
  • Unknown Price Jump
    high 1 source
    industry "Unknown Price Jump: A significant "unknown price jump from free to Enterprise" is noted, with no middle-tier pricing available"
  • Integration Complexity
    medium 1 source
    industry "Integration Complexity: Some integrations within Stack AI can be confusing to set up"
  • Overkill for Simple Automations
    low 1 source
    industry "Overkill for Simple Automations: Stack AI might be "overkill if you just need simple automations," implying that smaller businesses or those with less complex needs might pay for features they don't fully utilize"
  • Administrative Overhead
    high 1 source
    industry "General Hidden Costs of AI Stacks: Broader discussions on AI tools highlight several hidden costs beyond subscription fees: * Administrative Overhead: Managing multiple accounts, permissions, and billing for various AI tools can add 15-20 hours of..."
  • Training Time
    medium 1 source
    industry "Training Time: Teaching teams to use different interfaces and prompt styles across various AI platforms is a hidden cost"
  • Security Risks
    high 1 source
    industry "Security Risks: More access points from multiple AI tools can increase vulnerability"
  • Content Fragmentation
    medium 1 source
    industry "Content Fragmentation: AI-generated assets can be scattered across different platforms, leading to inefficiencies"
  • Redundant Capabilities
    medium 1 source
    industry "Redundant Capabilities: Businesses may end up paying multiple times for similar features across different AI subscriptions"
  • Inefficient AI Models
    high 1 source
    industry "Inefficient AI Models: Suboptimal algorithm design, over-parameterization, and inefficient data handling can lead to wasted computational resources and increased costs for cloud services and on-premises infrastructure"
  • Escalating Energy Drain
    medium 1 source
    industry "Escalating Energy Drain: The energy demands of modern AI systems, including intensive calculations for each AI query, contribute to mounting costs"
  • Context Switching
    high 1 source
    industry "General Hidden Costs of AI Stacks: Broader discussions on AI tools highlight several hidden costs beyond subscription fees: * Administrative Overhead: Managing multiple accounts, permissions, and billing for various AI tools can add 15-20 hours of..."
Tip

Ask your Stack AI sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 2 independent sources
industry G2 B2B reviews
Key claims include inline source attribution. Data verified against multiple independent sources. 13 source citations total.

Stack AI Contract Terms

Stack AI contracts auto-renew. Changes require at least fourteen (14) days before the end of the current term. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice at least fourteen (14) days before the end of the current term
Minimum Commitment one-year terms
Based on 1 verified source

Stack AI Pricing FAQ

01 Does Stack AI have a free plan?

Yes, Stack AI offers a Free plan at $0/month. For larger teams or enterprise needs, Stack AI offers custom Enterprise pricing.

02 How much does Stack AI Enterprise cost?

Stack AI Enterprise pricing is custom-quoted. You'll need to contact Stack AI directly for a quote tailored to your team size and usage requirements.

Is this pricing incorrect? — we'll verify and update it.