Langflow vs Semantic Kernel vs Haystack vs Buildable

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

Your tool
Langflow
vs
Competitor 1
Semantic Kernel
Competitor 2
Haystack
Competitor 3
Buildable
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
Make main Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor Buildable
bldbl.dev
Buildable generates project plans for SaaS ideas and turns them into executable development tasks that stream directly to AI coding assistants through the Model Context Protocol
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
—
—
1Kvisits/mo
MoM change
▼ 0.7%
—
—
▼ 63.0%
6-month growth
-4.9%
—
—
+65.1%
Global rank web
#217,191
—
—
#16,164,059
Avg. last 3 months
225.2K
—
—
1.6K
Bounce rate lower is better
44%
—
—
39%
Pages / visit
2.2
—
—
1.0
Visit duration
1m 04s
—
—
—
Traffic sources
● Direct 76% · ● Referral 24%
—
—
—
LangflowSemantic KernelHaystackBuildable
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KBuildable · 2.1KBuildable · 1KBuildable · 628Buildable · 1.7KBuildable · 280Buildable · 1KBuildable · 2.8KBuildable · 1K1001K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KBuildable · 2.1KBuildable · 1KBuildable · 628Buildable · 1.7KBuildable · 280Buildable · 1KBuildable · 2.8KBuildable · 1KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
—
—
Free Trial
Starting price
Free
—
—
$15per month
Free tier
–
–
–
Free trial
–
–
–
API access
–
–
Plans
—
—
—
Pro $15/moTeam $29/user/mo
Capabilities input → output
Input
Text
CodeText
CodeDocuments
Text
Output
Apps
Apps
Apps
CodeText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
7
9
Developer tools
Agents
–
Agent creation
–
LLM development
–
MCP
–
–
–
No-code
–
–
–
Project planning
–
–
–
RAG
–
–
–
Chatbots
–
–
–
Development
–
–
–
Idea development project planning
–
–
–
Task breakdown
–
–
–
Workflows
–
–
–
API integrations
–
–
–
APIs
–
–
–
Agent memory
–
–
–
GitHub management
–
–
–
Kanban management
–
–
–
Project management
–
–
–
Project specifications
–
–
–
Self hosted
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 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.