Stack AI vs Flowise vs Langflow vs Pipecat
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Stack AI
vs
Stack AI
Competitor 1
Flowise
Flowise
Competitor 2
Langflow
Langflow
Competitor 3
Pipecat
PipecatCompare
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
6.3Kvisits/mo
168.3Kvisits/mo
215.3Kvisits/mo
—
MoM change
▼ 57.9%
▼ 27.6%
▼ 0.7%
—
6-month growth
-93.7%
-14.1%
-4.9%
—
Global rank web
#1,700,092
#239,649
#217,191
—
Avg. last 3 months
13.9K
203.8K
225.2K
—
Bounce rate lower is better
39%
43%
44%
—
Pages / visit
1.8
2.8
2.2
—
Visit duration
14s
1m 23s
1m 04s
—
Traffic sources
—
● Direct 79% · ● Referral 19%
● Direct 76% · ● Referral 24%
—
Stack AIFlowiseLangflowPipecat
Pricing
Model
Freemium
Freemium
Free
Free
Starting price
Free tier
$35per month · free tier available
Free
Free
Free tier
Free trial
–
–
–
API access
–
Plans
—
Free FreeStarter $35/moPro $65/mo
—
Open source Free
Capabilities input → output
Input
DataDocumentsText
DocumentsText
Text
AudioTextVideo
Output
Apps
Apps
Apps
AudioText
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
3
3
9
3
Agents
No-code
–
Workflows
–
Developer tools
–
–
Voice agents
–
–
–
Agent creation
–
–
–
Chatbots
–
–
–
Development
–
–
–
LLM development
–
–
–
APIs
–
–
–
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.