Hal vs Dify vs Stack AI vs Lambda

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

Your tool
Hal
vs
Competitor 1
Dify
Competitor 2
Stack AI
Competitor 3
Lambda
Compare
4 tools · best value per row highlighted
Your tool Hal
hal9.com
Hal9 is a powerful platform for quickly building and deploying fully customizable AI chatbots, powered by your data with complete privacy. In just under 5 minutes, you can create a tailored chatbot t
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Competitor Dify
dify.ai
AI apps without code
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
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Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
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Traffic estimated monthly website traffic
Monthly visits
3.4Kvisits/mo
1Mvisits/mo
6.3Kvisits/mo
—
MoM change
▼ 10.9%
▼ 16.6%
▼ 57.9%
—
6-month growth
+60.6%
-30.6%
-93.7%
—
Global rank web
#6,156,551
#39,510
#1,700,092
—
Avg. last 3 months
3.9K
1.1M
13.9K
—
Bounce rate lower is better
39%
41%
39%
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Pages / visit
1.1
4.4
1.8
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Visit duration
—
6m 40s
14s
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Traffic sources
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● Direct 84% · ● Referral 15%
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HalDifyStack AILambda
0368.2K736.4K1.1M1.5MHal · 934Hal · 2.1KHal · 1.3KHal · 2.1KHal · 6.4KHal · 6.9KHal · 4.5KHal · 3.8KHal · 3.4KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MStack 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 · 6.3K1001K10K100K1M10MHal · 934Hal · 2.1KHal · 1.3KHal · 2.1KHal · 6.4KHal · 6.9KHal · 4.5KHal · 3.8KHal · 3.4KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
$2,000per month
$590per month · free tier available
Free tier
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Free tier
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Free trial
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API access
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Plans
Startups $2,000/mo
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
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On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Capabilities input → output
Input
CodeText
DocumentsText
DataDocumentsText
CodeData
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
9
7
3
Agents
–
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No-code
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Workflows
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Agent creation
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Chatbots
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Developer tools
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Chatbot building
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GPU infrastructure
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APIs
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Business automation
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Document chat
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–
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LLM development
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Process automation
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–
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Development
–
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Finance workflow automation
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Model training
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Productivity
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
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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.