OpenRouter vs Stack AI vs CometAPI

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

Your tool
OpenRouter
vs
Competitor 1
Stack AI
Competitor 2
CometAPI
Competitor 3
Suggested competitors for OpenRouter: FastRouter90% APIMart86% AnyApiAI85% Together AI85% APIPASS84% DDefapi84% Eden AI80% Fireworks AI80%
Compare
3 tools · best value per row highlighted
Your tool OpenRouter
openrouter.ai
Every model, one endpoint
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
22Mvisits/mo
6.3Kvisits/mo
302.3Kvisits/mo
MoM change
▲ 14.6%
▼ 57.9%
▲ 9.9%
6-month growth
+39.6%
-93.7%
-16.5%
Global rank web
#2,023
#1,700,092
#157,147
Avg. last 3 months
19.5M
13.9K
295.7K
Bounce rate lower is better
32%
39%
46%
Pages / visit
7.7
1.8
2.9
Visit duration
6m 13s
14s
38s
Traffic sources
● Direct 89% · ● Referral 10%
—
● Direct 69% · ● Referral 30%
OpenRouterStack AICometAPI
05.5M11M16.5M22MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MStack 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 · 6.3KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K1K10K100K1M10M100MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MStack 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 · 6.3KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
Free tier
Free tier
$4per month · free tier available
Free tier
Free trial
–
API access
Plans
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
—
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Capabilities input → output
Input
AudioVideoTextImages
DataTextDocuments
TextImages
Output
VideoTextImagesAudio
Apps
VideoTextImages
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI API
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
7
6
APIs
–
LLM gateway
–
Agents
–
–
No-code
–
–
Workflows
–
–
API integrations
–
–
Agent creation
–
–
Business automation
–
–
Developer tools
–
–
Large language models
–
–
Process automation
–
–
Development
–
–
Finance workflow automation
–
–
Image generation
–
–
LLM comparison
–
–
Video generation
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.