OpenAI API vs CometAPI vs Replicate vs Defapi

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

Your tool
OpenAI API
vs
Competitor 1
CometAPI
Competitor 2
Replicate
Competitor 3
DDefapi
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
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 Replicate
replicate.com
Run open-source AI without managing servers
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
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
302.3Kvisits/mo
1Mvisits/mo
2.4Kvisits/mo
MoM change
▲ 4.6%
▲ 9.9%
▼ 3.1%
▼ 42.6%
6-month growth
-2.4%
-16.5%
-30.2%
-86.2%
Global rank web
—
#157,147
#39,584
#4,650,820
Avg. last 3 months
15.2M
295.7K
1.1M
4.8K
Bounce rate lower is better
34%
46%
35%
36%
Pages / visit
5.4
2.9
5.6
1.4
Visit duration
3m 56s
38s
5m 09s
7s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 69% · ● Referral 30%
● Direct 92% · ● Referral 6%
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OpenAI APICometAPIReplicateDefapi
04.7M9.4M14.1M18.7MOpenAI 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 · 15.2MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100K1M10M100MOpenAI 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 · 15.2MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KReplicate · 1.6MReplicate · 1.7MReplicate · 1.5MReplicate · 1.3MReplicate · 1.5MReplicate · 1.3MReplicate · 1.3MReplicate · 1.2MReplicate · 1.1MReplicate · 1MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Paid
Starting price
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$4per month · free tier available
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Free tier
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–
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Free trial
–
–
API access
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Plans
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Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Public Models Custom/usage-basedPrivate Models Custom/usage-based
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
Capabilities input → output
Input
AudioDocumentsImagesText
ImagesText
TextImages
TextImagesAudio
Output
VideoTextImagesAudioCode
VideoImagesText
VideoTextImagesAudio
AudioImagesText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI API
Development & CodeAI APIAI Developer ToolsOpen Source AI Models
Development & CodeAI API
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
4
6
9
4
APIs
API integrations
Developer tools
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LLM development
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Image generation
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Video generation
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LLM gateway
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API management
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–
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Inference
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–
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Large language models
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Models
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API security
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–
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Development
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 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.