Haystack vs Stack AI vs Pipedream vs LangChain

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

Your tool
Haystack
vs
Competitor 1
Stack AI
Competitor 2
Pipedream
Competitor 3
LangChain
Compare
4 tools · best value per row highlighted
Your tool Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Pipedream
pipedream.com
Pipedream is an integration layer for AI agents.
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
—
3.4Mvisits/mo
MoM change
—
▼ 57.9%
—
▲ 0.7%
6-month growth
—
-93.7%
—
+21.0%
Global rank web
—
#1,700,092
—
#13,384
Avg. last 3 months
—
13.9K
—
3.3M
Bounce rate lower is better
—
39%
—
42%
Pages / visit
—
1.8
—
6.2
Visit duration
—
14s
—
5m 29s
Traffic sources
—
—
—
● Direct 73% · ● Referral 24%
HaystackStack AIPipedreamLangChain
0850.7K1.7M2.6M3.4MStack 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 · 6.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1K10K100K1M10MStack 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 · 6.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
—
Freemium
Freemium
Freemium
Starting price
—
Free tier
$99per month · free tier available
$39per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
—
—
Free FreeStartup $99/moBusiness Custom
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
DataDocumentsText
Code
CodeText
Output
Apps
Apps
Apps
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
7
7
6
Agents
Agent creation
Developer tools
–
LLM development
–
–
Workflows
–
–
API integrations
–
–
–
MCP
–
–
–
No-code
–
–
–
RAG
–
–
–
APIs
–
–
–
Business automation
–
–
–
Development
–
–
–
Process automation
–
–
–
Agent memory
–
–
–
Agent testing
–
–
–
Finance workflow automation
–
–
–
Self hosted
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.