CometAPI vs LiteLLM vs Defapi vs OpenRouter

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

Your tool
CometAPI
vs
Competitor 1
LiteLLM
Competitor 2
DDefapi
Competitor 3
OpenRouter
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
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Competitor LiteLLM
litellm.ai
LiteLLM is an open-source AI gateway and LLM proxy that puts more than 140 providers and 1,800 models behind one OpenAI-compatible API key.
Make main Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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Competitor OpenRouter
openrouter.ai
Every model, one endpoint
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
—
2.4Kvisits/mo
22Mvisits/mo
MoM change
▲ 9.9%
—
▼ 42.6%
▲ 14.6%
6-month growth
-16.5%
—
-86.2%
+39.6%
Global rank web
#157,147
—
#4,650,820
#2,023
Avg. last 3 months
295.7K
—
4.8K
19.5M
Bounce rate lower is better
46%
—
36%
32%
Pages / visit
2.9
—
1.4
7.7
Visit duration
38s
—
7s
6m 13s
Traffic sources
● Direct 69% · ● Referral 30%
—
—
● Direct 89% · ● Referral 10%
CometAPILiteLLMDefapiOpenRouter
05.5M11M16.5M22MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M1K10K100K1M10M100MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Paid
Freemium
Starting price
$4per month · free tier available
Free
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Free tier
Free tier
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Free trial
–
–
API access
Plans
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Open Source FreeEnterprise Custom
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 FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Capabilities input → output
Input
TextImages
Text
TextImagesAudio
AudioVideoTextImages
Output
VideoTextImages
TextData
AudioTextImages
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI API
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI API
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
2
1
5
APIs
LLM gateway
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API integrations
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–
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Developer tools
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–
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Large language models
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–
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Development
–
–
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Image generation
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–
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LLM comparison
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–
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Video generation
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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
▲ 0
▲ 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.