CometAPI vs Rivet vs Haystack vs Vercel AI Gateway

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

Your tool
CometAPI
vs
Competitor 1
Rivet
Competitor 2
Haystack
Competitor 3
Vercel AI Gateway
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 Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor Vercel AI Gateway
vercel.com
Vercel AI Gateway is a single API endpoint for hundreds of AI models from OpenAI, Anthropic, SpaceXAI, open-source providers and more.
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Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
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MoM change
▲ 9.9%
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6-month growth
-16.5%
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Global rank web
#157,147
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Avg. last 3 months
295.7K
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Bounce rate lower is better
46%
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Pages / visit
2.9
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Visit duration
38s
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Traffic sources
● Direct 69% · ● Referral 30%
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CometAPIRivetHaystackVercel AI Gateway
0208.6K417.2K625.8K834.4KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3K100K1MCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
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Freemium
Starting price
$4per month · free tier available
Free
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$20per month · free tier available
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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Hobby FreePro $20/moEnterprise Custom
Capabilities input → output
Input
ImagesText
Text
DocumentsCode
TextImagesAudio
Output
VideoTextImages
Apps
Apps
AudioVideoTextImages
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI API
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI API
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
5
7
7
Developer tools
APIs
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Agent creation
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LLM gateway
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Agents
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LLM development
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Model routing
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RAG
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API integrations
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LLM management
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Large language models
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No-code
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API management
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Agent memory
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Image generation
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Self hosted
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Video generation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
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Upvotes
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Saves
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Reviews
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Prompts
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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.