Anthropic Claude API vs OpenAI API vs Defapi 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
DDefapi
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 DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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
2.4Kvisits/mo
302.3Kvisits/mo
MoM change
▼ 39.4%
▲ 4.6%
▼ 42.6%
▲ 9.9%
6-month growth
-43.4%
-2.4%
-86.2%
-16.5%
Global rank web
#3,345
—
#4,650,820
#157,147
Avg. last 3 months
25.7M
15.2M
4.8K
295.7K
Bounce rate lower is better
67%
34%
36%
46%
Pages / visit
1.8
5.4
1.4
2.9
Visit duration
1m 35s
3m 56s
7s
38s
Traffic sources
● Direct 81% · ● Referral 16%
● Direct 82% · ● Referral 15%
—
● Direct 69% · ● Referral 30%
Anthropic Claude APIOpenAI APIDefapiCometAPI
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 · 15.2MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K1K10K100K1M10M100MAnthropic 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 · 15.2MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Paid
Freemium
Starting price
$17per month · free tier available
—
—
$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
—
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Capabilities input → output
Input
TextImagesDocumentsCode
AudioDocumentsImagesText
TextImagesAudio
ImagesText
Output
TextCode
VideoTextImagesAudioCode
AudioImagesText
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
4
6
APIs
API integrations
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Large language models
–
–
LLM gateway
–
–
–
API management
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–
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Coding
–
–
–
Developer tools
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–
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LLM development
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–
–
API security
–
–
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Development
–
–
–
Image generation
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–
–
Video generation
–
–
–
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.