Langflow vs Pipecat vs Stack AI vs LangChain
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Langflow
vs
Langflow
Competitor 1
Pipecat
Pipecat
Competitor 2
Stack AI
Stack AI
Competitor 3
LangChain
LangChainCompare
4 tools · best value per row highlighted
Competitor
Pipecat
Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
—
6.3Kvisits/mo
3.4Mvisits/mo
MoM change
▼ 0.7%
—
▼ 57.9%
▲ 0.7%
6-month growth
-4.9%
—
-93.7%
+21.0%
Global rank web
#217,191
—
#1,700,092
#13,384
Avg. last 3 months
225.2K
—
13.9K
3.3M
Bounce rate lower is better
44%
—
39%
42%
Pages / visit
2.2
—
1.8
6.2
Visit duration
1m 04s
—
14s
5m 29s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
● Direct 73% · ● Referral 24%
LangflowPipecatStack AILangChain
Pricing
Model
Free
Free
Freemium
Freemium
Starting price
Free
Free
Free tier
$39per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
Plans
—
Open source Free
—
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
Text
AudioTextVideo
DataDocumentsText
CodeText
Output
Apps
AudioText
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
3
3
6
Agents
Developer tools
–
Agent creation
–
–
LLM development
–
–
No-code
–
–
Workflows
–
–
Development
–
–
Voice agents
–
–
–
Chatbots
–
–
–
APIs
–
–
–
Agent testing
–
–
–
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.