Respan vs FastRouter vs CometAPI vs Arize Phoenix

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

Your tool
Respan
vs
Competitor 1
FastRouter
Competitor 2
CometAPI
Competitor 3
Arize Phoenix
Compare
4 tools · best value per row highlighted
Your tool Respan
respan.ai
Building AI apps
Remove
Competitor FastRouter
fastrouter.ai
This LLM gateway lets teams tap into over 100 AI models through one API endpoint
Make main 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 Arize Phoenix
phoenix.arize.com
Arize Phoenix is an open-source platform for AI observability and evaluation, built by Arize.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
87.3Kvisits/mo
15.5Kvisits/mo
302.3Kvisits/mo
—
MoM change
▲ 28.5%
▼ 62.7%
▲ 9.9%
—
6-month growth
+881.1%
+4.7%
-16.5%
—
Global rank web
#497,399
#1,733,591
#157,147
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Avg. last 3 months
74.8K
23.1K
295.7K
—
Bounce rate lower is better
41%
45%
46%
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Pages / visit
2.5
1.5
2.9
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Visit duration
19s
15s
38s
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Traffic sources
● Direct 89% · ● Referral 11%
● Direct 95% · ● Referral 5%
● Direct 69% · ● Referral 30%
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RespanFastRouterCometAPIArize Phoenix
0208.6K417.2K625.8K834.4KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K1001K10K100K1MRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$199per month · free tier available
$199per month · free tier available
$4per month · free tier available
$50per month · free tier available
Free tier
Free trial
–
–
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API access
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Plans
Free FreeTeam $199/yrEnterprise Custom
Starter FreePro $199/moBusiness $799/moEnterprise Custom
Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
AX Free FreeAX Pro $50/mo
Capabilities input → output
Input
TextData
TextImagesAudio
TextImages
DataText
Output
TextData
VideoTextImagesAudio
VideoTextImages
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI APIAI Developer Tools
Development & CodeAI API
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
6
8
Developer tools
APIs
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AI system monitoring
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LLM gateway
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LLM testing
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API integrations
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Monitoring
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AI observability
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Model routing
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Prompt management
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Self hosted
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API management
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–
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Application monitoring
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–
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Generative AI evaluation
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Image generation
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LLM development
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Problem investigation
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Red teaming guidance
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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
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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.