Langflow vs Stack AI vs FastGPT vs Redlight Greenlight for Claude Code
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Langflow
vs
Langflow
Competitor 1
Stack AI
Stack AI
Competitor 2
FastGPT
FastGPT
Competitor 3
Redlight Greenlight for Claude Code
Redlight Greenlight for Claude CodeCompare
4 tools · best value per row highlighted
Competitor
FastGPT
FastGPT
fastgpt.io
FastGPT is an open-source platform for building AI agents and knowledge-base applications.
Competitor
Redlight Greenlight for Claude Code
Redlight Greenlight for Claude Code
github.com
One-click approve for Claude Code permissions
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
6.3Kvisits/mo
—
637.9Mvisits/mo
MoM change
▼ 0.7%
▼ 57.9%
—
▲ 3.7%
6-month growth
-4.9%
-93.7%
—
+19.3%
Global rank web
#217,191
#1,700,092
—
#49
Avg. last 3 months
225.2K
13.9K
—
629.7M
Bounce rate lower is better
44%
39%
—
36%
Pages / visit
2.2
1.8
—
5.9
Visit duration
1m 04s
14s
—
6m 26s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
● Direct 83% · ● Referral 15%
LangflowStack AIFastGPTRedlight Greenlight for Claude Code
Pricing
Model
Free
Freemium
Freemium
Free Trial
Starting price
Free
Free tier
CNY 99per month · free tier available
$5per month
Free tier
–
Free trial
–
–
API access
–
Plans
—
—
Free Edition FreeBasic Edition $99/moAdvanced Edition $599/moCustom Edition Custom
Plan $5/moPlan $21/unknown
Capabilities input → output
Input
Text
DataDocumentsText
DocumentsTextWeb pages
Text
Output
Apps
Apps
Apps
Text
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
9
3
2
0
Agents
–
No-code
–
–
Workflows
–
–
Chatbots
–
–
Agent creation
–
–
–
Developer tools
–
–
–
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.