Stack AI vs Lambda vs Phala Cloud vs Activepieces

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Stack AI
vs
Competitor 1
Lambda
Competitor 2
Phala Cloud
Competitor 3
Activepieces
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
Make main Remove
Competitor Phala Cloud
cloud.phala.network
Over 5,000 users run confidential compute workloads here
Make main Remove
Competitor Activepieces
activepieces.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
—
221.7Kvisits/mo
MoM change
▼ 57.9%
—
▼ 21.5%
▲ 1.8%
6-month growth
-93.7%
—
—
-10.0%
Global rank web
#1,700,092
—
—
#174,361
Avg. last 3 months
13.9K
—
—
226.6K
Bounce rate lower is better
39%
—
0%
39%
Pages / visit
1.8
—
—
3.8
Visit duration
14s
—
—
2m 39s
Traffic sources
—
—
—
● Direct 74% · ● Referral 24%
Stack AILambdaPhala CloudActivepieces
061.6K123.1K184.7K246.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KPhala Cloud · 2.7KPhala Cloud · 2.1KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7K1K10K100K1MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KPhala Cloud · 2.7KPhala Cloud · 2.1KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Freemium
Starting price
Free tier
—
$50.37per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
—
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Confidential VM $0.06/hourlyGPU TEE $3.80/hourly
Free FreePlus $20/moTeam $200/mo
Capabilities input → output
Input
DataDocumentsText
CodeData
CodeText
Text
Output
Apps
Apps
AppsText
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI Developer Tools
Development & CodeAI APIAI Developer Tools
Productivity & OfficeAI AgentAI Workflow
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
3
8
4
Agents
–
–
GPU infrastructure
–
–
No-code
–
–
Workflows
–
–
Agent creation
–
–
Developer tools
–
–
Cloud security
–
–
–
Business automation
–
–
–
Cloud computing
–
–
–
Cloud infrastructure
–
–
–
Inference
–
–
–
Process automation
–
–
–
Cybersecurity
–
–
–
Docker management
–
–
–
Finance workflow automation
–
–
–
Model training
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.