CometAPI vs OpenRouter vs LiteLLM vs Vercel AI Gateway

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

Your tool
CometAPI
vs
Competitor 1
OpenRouter
Competitor 2
LiteLLM
Competitor 3
Vercel AI Gateway
Compare
4 tools · best value per row highlighted
Your tool CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
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Competitor OpenRouter
openrouter.ai
Every model, one endpoint
Make main Remove
Competitor LiteLLM
litellm.ai
LiteLLM is an open-source AI gateway and LLM proxy that puts more than 140 providers and 1,800 models behind one OpenAI-compatible API key.
Make main Remove
Competitor Vercel AI Gateway
vercel.com
Vercel AI Gateway is a single API endpoint for hundreds of AI models from OpenAI, Anthropic, SpaceXAI, open-source providers and more.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
22Mvisits/mo
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MoM change
▲ 9.9%
▲ 14.6%
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6-month growth
-16.5%
+39.6%
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Global rank web
#157,147
#2,023
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Avg. last 3 months
295.7K
19.5M
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Bounce rate lower is better
46%
32%
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Pages / visit
2.9
7.7
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Visit duration
38s
6m 13s
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Traffic sources
● Direct 69% · ● Referral 30%
● Direct 89% · ● Referral 10%
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CometAPIOpenRouterLiteLLMVercel AI Gateway
05.5M11M16.5M22MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M100K1M10M100MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
$4per month · free tier available
Free tier
Free
$20per month · free tier available
Free tier
Free trial
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API access
Plans
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Open Source FreeEnterprise Custom
Hobby FreePro $20/moEnterprise Custom
Capabilities input → output
Input
TextImages
AudioVideoTextImages
Text
TextImagesAudio
Output
TextVideoImages
VideoTextImagesAudio
TextData
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI API
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI API
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
5
8
7
LLM gateway
APIs
Developer tools
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Model routing
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LLM management
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Large language models
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API management
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API integrations
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Self hosted
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Development
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Image generation
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LLM comparison
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MCP
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Video generation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
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Reviews
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Prompts
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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.