OpenRouter vs CometAPI vs Defapi vs FastRouter
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
OpenRouter
vs OpenRouter
Competitor 1
CometAPI
CometAPI
Competitor 2
DDefapi
Competitor 3
FastRouter
FastRouterCompare
4 tools · best value per row highlighted
Competitor
CometAPI
CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Competitor
DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Competitor
FastRouter
FastRouter
fastrouter.ai
This LLM gateway lets teams tap into over 100 AI models through one API endpoint
Traffic estimated monthly website traffic
Monthly visits
22Mvisits/mo
302.3Kvisits/mo
2.4Kvisits/mo
15.5Kvisits/mo
MoM change
▲ 14.6%
▲ 9.9%
▼ 42.6%
▼ 62.7%
6-month growth
+39.6%
-16.5%
-86.2%
+4.7%
Global rank web
#2,023
#157,147
#4,650,820
#1,733,591
Avg. last 3 months
19.5M
295.7K
4.8K
23.1K
Bounce rate lower is better
32%
46%
36%
45%
Pages / visit
7.7
2.9
1.4
1.5
Visit duration
6m 13s
38s
7s
15s
Traffic sources
● Direct 89% · ● Referral 10%
● Direct 69% · ● Referral 30%
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● Direct 95% · ● Referral 5%
OpenRouterCometAPIDefapiFastRouter
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
Free tier
$4per month · free tier available
—
$199per month · free tier available
Free tier
–
Free trial
–
–
–
API access
Plans
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
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
Starter FreePro $199/moBusiness $799/moEnterprise Custom
Capabilities input → output
Input
AudioVideoTextImages
TextImages
TextImagesAudio
TextImagesAudio
Output
VideoTextImagesAudio
VideoTextImages
TextImagesAudio
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
5
6
1
3
APIs
LLM gateway
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Model routing
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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
–
–
–
Development
–
–
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Image generation
–
–
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LLM comparison
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–
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Video generation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
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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.