LangChain vs Pipecat vs Stack AI vs AutoGen

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

Your tool
LangChain
vs
Competitor 1
Pipecat
Competitor 2
Stack AI
Competitor 3
AutoGen
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
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Competitor Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
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Competitor Stack AI
stack-ai.com
Connect AI models visually
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Competitor AutoGen
microsoft.github.io
AutoGen is an open-source framework from Microsoft for building AI agents and multi-agent applications.
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Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
—
6.3Kvisits/mo
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MoM change
▲ 0.7%
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▼ 57.9%
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6-month growth
+21.0%
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-93.7%
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Global rank web
#13,384
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#1,700,092
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Avg. last 3 months
3.3M
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13.9K
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Bounce rate lower is better
42%
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39%
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Pages / visit
6.2
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1.8
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Visit duration
5m 29s
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14s
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Traffic sources
● Direct 73% · ● Referral 24%
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LangChainPipecatStack AIAutoGen
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MStack 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 · 6.3K1K10K100K1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Free
Starting price
$39per month · free tier available
Free
Free tier
Free
Free tier
Free trial
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API access
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Plans
Developer FreePlus $39/moEnterprise Custom/mo
Open source Free
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Capabilities input → output
Input
CodeText
AudioTextVideo
DataDocumentsText
CodeText
Output
Apps
AudioText
Apps
AppsCode
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeVoice & SpeechAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
9
5
5
Agents
Agent creation
Developer tools
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LLM development
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Agent collaboration
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Agent testing
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No-code
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Voice agents
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Workflows
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Development
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Voice
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Voice assistance
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Call agents
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Finance workflow automation
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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
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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.