OpenAI API vs OpenRouter vs CometAPI vs Anthropic Claude API

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

Your tool
OpenAI API
vs
Competitor 1
OpenRouter
Competitor 2
CometAPI
Competitor 3
Anthropic Claude API
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Remove
Competitor OpenRouter
openrouter.ai
Every model, one endpoint
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
Competitor Anthropic Claude API
anthropic.com
Build on Claude's capabilities
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
22Mvisits/mo
302.3Kvisits/mo
13.8Mvisits/mo
MoM change
▲ 4.6%
▲ 14.6%
▲ 9.9%
▼ 39.4%
6-month growth
-2.4%
+39.6%
-16.5%
-43.4%
Global rank web
—
#2,023
#157,147
#3,345
Avg. last 3 months
15.2M
19.5M
295.7K
25.7M
Bounce rate lower is better
34%
32%
46%
67%
Pages / visit
5.4
7.7
2.9
1.8
Visit duration
3m 56s
6m 13s
38s
1m 35s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 89% · ● Referral 10%
● Direct 69% · ● Referral 30%
● Direct 81% · ● Referral 16%
OpenAI APIOpenRouterCometAPIAnthropic Claude API
010.1M20.2M30.4M40.5MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KAnthropic Claude API · 9.9MAnthropic Claude API · 9.4MAnthropic Claude API · 9.5MAnthropic Claude API · 16.1MAnthropic Claude API · 24.4MAnthropic Claude API · 25.9MAnthropic Claude API · 22.4MAnthropic Claude API · 40.5MAnthropic Claude API · 22.8MAnthropic Claude API · 13.8M100K1M10M100MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KAnthropic Claude API · 9.9MAnthropic Claude API · 9.4MAnthropic Claude API · 9.5MAnthropic Claude API · 16.1MAnthropic Claude API · 24.4MAnthropic Claude API · 25.9MAnthropic Claude API · 22.4MAnthropic Claude API · 40.5MAnthropic Claude API · 22.8MAnthropic Claude API · 13.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
—
Free tier
$4per month · free tier available
$17per 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
Plan $17.0 $17/moPlan $20.0 $20/moPlan $25.0 $25/moPlan $100.0 $100/mo+2 more
Capabilities input → output
Input
AudioDocumentsImagesText
AudioImagesTextVideo
TextImages
TextImagesDocumentsCode
Output
VideoAudioCodeImagesText
AudioImagesTextVideo
VideoTextImages
TextCode
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI API
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
5
6
4
APIs
Large language models
–
LLM gateway
–
–
Developer tools
–
–
API integrations
–
–
Development
–
–
Coding
–
–
–
LLM development
–
–
–
Chatbot building
–
–
–
Image generation
–
–
–
LLM comparison
–
–
–
Video generation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 3
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.