LiteLLM vs CometAPI vs FastRouter vs Respan

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

Your tool
LiteLLM
vs
Competitor 1
CometAPI
Competitor 2
FastRouter
Competitor 3
Respan
Compare
4 tools · best value per row highlighted
Your tool 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.
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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 FastRouter
fastrouter.ai
This LLM gateway lets teams tap into over 100 AI models through one API endpoint
Make main Remove
Competitor Respan
respan.ai
Building AI apps
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
302.3Kvisits/mo
15.5Kvisits/mo
87.3Kvisits/mo
MoM change
—
▲ 9.9%
▼ 62.7%
▲ 28.5%
6-month growth
—
-16.5%
+4.7%
+881.1%
Global rank web
—
#157,147
#1,733,591
#497,399
Avg. last 3 months
—
295.7K
23.1K
74.8K
Bounce rate lower is better
—
46%
45%
41%
Pages / visit
—
2.9
1.5
2.5
Visit duration
—
38s
15s
19s
Traffic sources
—
● Direct 69% · ● Referral 30%
● Direct 95% · ● Referral 5%
● Direct 89% · ● Referral 11%
LiteLLMCometAPIFastRouterRespan
0208.6K417.2K625.8K834.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3K1001K10K100K1MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$4per month · free tier available
$199per month · free tier available
$199per month · free tier available
Free tier
Free trial
–
–
API access
–
Plans
Open Source FreeEnterprise Custom
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Starter FreePro $199/moBusiness $799/moEnterprise Custom
Free FreeTeam $199/yrEnterprise Custom
Capabilities input → output
Input
Text
TextImages
AudioTextImages
DataText
Output
TextData
VideoTextImages
VideoTextImagesAudio
TextData
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI API
Development & CodeAI APIAI Developer Tools
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
8
6
6
9
APIs
Developer tools
LLM gateway
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Model routing
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–
API integrations
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–
API management
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–
AI system monitoring
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–
–
LLM management
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–
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LLM testing
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–
–
Monitoring
–
–
–
Prompt management
–
–
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Self hosted
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–
–
Application monitoring
–
–
–
Image generation
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–
–
LLM development
–
–
–
MCP
–
–
–
Red teaming guidance
–
–
–
Video generation
–
–
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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
–
–
–
–

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.