CometAPI vs MostlyAI vs Defapi vs APIPASS

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

Your tool
CometAPI
vs
Competitor 1
MostlyAI
Competitor 2
DDefapi
Competitor 3
APIPASS
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
Competitor MostlyAI
mostly.ai
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Competitor APIPASS
apipass.dev
You're juggling eighteen different AI model providers through APIPASS
Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
43.5Kvisits/mo
2.4Kvisits/mo
90.8Kvisits/mo
MoM change
▲ 9.9%
▼ 22.5%
▼ 42.6%
▲ 2,647.8%
6-month growth
-16.5%
-35.7%
-86.2%
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Global rank web
#157,147
#791,007
#4,650,820
#4,344,465
Avg. last 3 months
295.7K
55.6K
4.8K
31.6K
Bounce rate lower is better
46%
39%
36%
44%
Pages / visit
2.9
1.8
1.4
2.3
Visit duration
38s
22s
7s
15s
Traffic sources
● Direct 69% · ● Referral 30%
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CometAPIMostlyAIDefapiAPIPASS
0208.6K417.2K625.8K834.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KAPIPASS · 1.2KAPIPASS · 700APIPASS · 3.3KAPIPASS · 90.8K1001K10K100K1MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KAPIPASS · 1.2KAPIPASS · 700APIPASS · 3.3KAPIPASS · 90.8KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Paid
Paid
Starting price
$4per month · free tier available
Free
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Free tier
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Free trial
–
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API access
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Plans
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
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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
Usage-Based Credits $1,250
Capabilities input → output
Input
TextImages
DataText
ImagesTextAudio
TextImages
Output
VideoTextImages
Data
TextImagesAudio
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
6
4
7
APIs
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API integrations
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API management
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Developer tools
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Image generation
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Video generation
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API cost reduction
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LLM gateway
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Synthetic data
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Data analysis
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API security
–
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Data anonymization
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Data privacy compliance
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Data science
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Development
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.