LangChain vs Semantic Kernel vs Ollama vs Haystack

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

Your tool
LangChain
vs
Competitor 1
Semantic Kernel
Competitor 2
Ollama
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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 Ollama
ollama.ai
Ollama is a tool designed to help users quickly and effortlessly set up and utilize large language m
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
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
—
36.7Kvisits/mo
—
MoM change
▲ 0.7%
—
▼ 36.9%
—
6-month growth
+21.0%
—
+268.2%
—
Global rank web
#13,384
—
#906,857
—
Avg. last 3 months
3.3M
—
44.8K
—
Bounce rate lower is better
42%
—
42%
—
Pages / visit
6.2
—
1.6
—
Visit duration
5m 29s
—
14s
—
Traffic sources
● Direct 73% · ● Referral 24%
—
● Direct 99% · ● Referral 0%
—
LangChainSemantic KernelOllamaHaystack
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MOllama · 10.5KOllama · 6.7KOllama · 5.8KOllama · 10KOllama · 19.9KOllama · 17.2KOllama · 39.7KOllama · 58.1KOllama · 36.7K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MOllama · 10.5KOllama · 6.7KOllama · 5.8KOllama · 10KOllama · 19.9KOllama · 17.2KOllama · 39.7KOllama · 58.1KOllama · 36.7KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
—
Freemium
—
Starting price
$39per month · free tier available
—
$20per month · free tier available
—
Free tier
–
–
Free trial
–
–
–
–
API access
–
–
–
Plans
Developer FreePlus $39/moEnterprise Custom/mo
—
Free FreePro $20/moMax $100/mo
—
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
CodeDocuments
Output
Apps
Apps
CodeText
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI APIAI Developer ToolsOpen Source AI Models
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
2
2
2
Agent creation
–
Agents
–
LLM development
–
–
Developer tools
–
–
Development
–
–
–
Agent testing
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 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.