Anthropic Claude API vs OpenAI API vs APIMart vs CometAPI

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

Your tool
Anthropic Claude API
vs
Competitor 1
OpenAI API
Competitor 2
APIMart
Competitor 3
CometAPI
Compare
4 tools · best value per row highlighted
Your tool Anthropic Claude API
anthropic.com
Build on Claude's capabilities
Remove
Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
Competitor APIMart
apimart.ai
Developers wanting access to hundreds of AI models without juggling multiple API keys need something different than ChatGPT's single-model approach
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
13.8Mvisits/mo
15.2Mvisits/mo
326.9Kvisits/mo
302.3Kvisits/mo
MoM change
▼ 39.4%
▲ 4.6%
▲ 23.2%
▲ 9.9%
6-month growth
-43.4%
-2.4%
+278.0%
-16.5%
Global rank web
#3,345
—
#145,689
#157,147
Avg. last 3 months
25.7M
15.2M
291K
295.7K
Bounce rate lower is better
67%
34%
40%
46%
Pages / visit
1.8
5.4
4.7
2.9
Visit duration
1m 35s
3m 56s
3m 21s
38s
Traffic sources
● Direct 81% · ● Referral 16%
● Direct 82% · ● Referral 15%
● Direct 95% · ● Referral 5%
● Direct 69% · ● Referral 30%
Anthropic Claude APIOpenAI APIAPIMartCometAPI
010.1M20.2M30.4M40.5MAnthropic 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 · 13.8MOpenAI 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 · 15.2MAPIMart · 11.8KAPIMart · 36.6KAPIMart · 73.1KAPIMart · 75.8KAPIMart · 86.5KAPIMart · 186.8KAPIMart · 327.6KAPIMart · 280.9KAPIMart · 265.3KAPIMart · 326.9KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K10K100K1M10M100MAnthropic 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 · 13.8MOpenAI 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 · 15.2MAPIMart · 11.8KAPIMart · 36.6KAPIMart · 73.1KAPIMart · 75.8KAPIMart · 86.5KAPIMart · 186.8KAPIMart · 327.6KAPIMart · 280.9KAPIMart · 265.3KAPIMart · 326.9KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Free
Freemium
Starting price
$17per month · free tier available
—
Free
$4per month · free tier available
Free tier
–
Free trial
–
API access
–
–
Plans
Plan $17.0 $17/moPlan $20.0 $20/moPlan $25.0 $25/moPlan $100.0 $100/mo+2 more
—
Usage-Based Pricing Custom/usage-based
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Capabilities input → output
Input
TextImagesDocumentsCode
AudioDocumentsImagesText
TextImages
ImagesText
Output
TextCode
VideoTextImagesAudioCode
ImagesTextVideoAudio
VideoImagesText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI API
Development & CodeAI API
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
4
6
6
APIs
API integrations
–
LLM gateway
–
–
Large language models
–
–
Developer tools
–
–
Image generation
–
–
Video generation
–
–
Coding
–
–
–
LLM development
–
–
–
Development
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
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.