Stack AI vs Haystack vs Langflow vs Atomic Bot

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

Your tool
Stack AI
vs
Competitor 1
Haystack
Competitor 2
Langflow
Competitor 3
Atomic Bot
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor Langflow
langflow.org
Drag and drop AI
Competitor Atomic Bot
atomicbot.ai
Opened OpenClaw and immediately closed your terminal
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
215.3Kvisits/mo
46.1Kvisits/mo
MoM change
▼ 57.9%
—
▼ 0.7%
▲ 79.5%
6-month growth
-93.7%
—
-4.9%
-4.8%
Global rank web
#1,700,092
—
#217,191
#1,136,755
Avg. last 3 months
13.9K
—
225.2K
39.1K
Bounce rate lower is better
39%
—
44%
40%
Pages / visit
1.8
—
2.2
1.8
Visit duration
14s
—
1m 04s
11s
Traffic sources
—
—
● Direct 76% · ● Referral 24%
—
Stack AIHaystackLangflowAtomic Bot
073.8K147.7K221.5K295.3KStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KAtomic Bot · 16.9KAtomic Bot · 48.4KAtomic Bot · 67.1KAtomic Bot · 47.2KAtomic Bot · 45.5KAtomic Bot · 25.7KAtomic Bot · 46.1K1K10K100K1MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KAtomic Bot · 16.9KAtomic Bot · 48.4KAtomic Bot · 67.1KAtomic Bot · 47.2KAtomic Bot · 45.5KAtomic Bot · 25.7KAtomic Bot · 46.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Free
Freemium
Starting price
Free tier
—
Free
$19per month · free tier available
Free tier
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Free trial
–
–
–
API access
–
–
Plans
—
—
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Free FreeBase $19/moPro $39/moMax $79/mo
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
Text
Text
Output
Apps
Apps
Apps
CodeText
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
5
9
4
Agents
Agent creation
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No-code
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LLM development
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Workflows
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Developer tools
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Chatbots
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Development
–
–
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APIs
–
–
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Agent management
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–
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Agent memory
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–
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Finance workflow automation
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–
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Telegram
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
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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.