
StackAI pricing
StackAI has a free plan and paid plans. Free plan: Yes, $0 a month (500 runs, 2 projects, 1 seat).
StackAI plans and prices
Every line links to the page it came from. Prices are what StackAI publishes; taxes, currency and regional pricing can change what you pay.
StackAI pricing facts
2 of 2 verified- Free plan
- Yes, $0 a month (500 runs, 2 projects, 1 seat)
- Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
- “Trusted by Free plan $0 $0 /month /month Start for free.”
- Enterprise plan
- Custom quote
- Checked Nov 8, 2026stack-ai.com(opens source in a new tab)
- “Free [$0] Enterprise [Custom]”
StackAI price history
Free plan: Yes, $0 a month (500 runs, 2 projects, 1 seat) (was 500 runs/month, 2 projects, 1 seat)stack-ai.com
StackAI alternatives by price
Starting prices from each app's own site, ranked by our alternatives score.
| App | Pricing | Price | Free plan |
|---|---|---|---|
| Free plan + paid | $20/month + usage | 1 agent, 1,000 runs/month + usage | |
| Free plan + paid | €20/month (annual), 2.5K executions | — | |
| Free plan + paid | $150/month billed annually (Plus) | Yes, $0 with 100 conversations | |
| Free plan + paid | $29.99 per user/month for 3,000 credits | — | |
| Paid | $37 per month (Pro) | No | |
| Open source | — | — |
StackAI pricing: common questions
Is StackAI free?
StackAI has a free plan: Yes, $0 a month (500 runs, 2 projects, 1 seat). Paid plans add more.
How much does StackAI cost?
Free plan: Yes, $0 a month (500 runs, 2 projects, 1 seat), according to stack-ai.com (checked Nov 8, 2026). Prices can vary by country and billing period.
What are free alternatives to StackAI?
Free or freemium alternatives include MindStudio, n8n, Langflow and Botpress. Open-source options: Langflow.