CometAPI vs Haystack vs Langflow vs Vercel AI Gateway
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
CometAPI
vs
CometAPI
Competitor 1
Haystack
Haystack
Competitor 2
Langflow
Langflow
Competitor 3
Vercel AI Gateway
Vercel AI GatewayCompare
4 tools · best value per row highlighted
Your tool
CometAPI
CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Competitor
Haystack
Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor
Vercel AI Gateway
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.
Traffic estimated monthly website traffic
Monthly visits
302.3Kvisits/mo
—
215.3Kvisits/mo
—
MoM change
▲ 9.9%
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▼ 0.7%
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6-month growth
-16.5%
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-4.9%
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Global rank web
#157,147
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#217,191
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Avg. last 3 months
295.7K
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225.2K
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Bounce rate lower is better
46%
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44%
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Pages / visit
2.9
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2.2
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Visit duration
38s
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1m 04s
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Traffic sources
● Direct 69% · ● Referral 30%
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● Direct 76% · ● Referral 24%
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CometAPIHaystackLangflowVercel AI Gateway
Pricing
Model
Freemium
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Free
Freemium
Starting price
$4per month · free tier available
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Free
$20per month · free tier available
Free tier
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Free trial
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–
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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
TextImages
DocumentsCode
Text
ImagesTextAudio
Output
VideoTextImages
Apps
Apps
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
6
7
9
7
Developer tools
APIs
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Agents
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LLM gateway
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Agent creation
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LLM development
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Model routing
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No-code
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–
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RAG
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–
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API integrations
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–
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Chatbots
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–
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Development
–
–
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LLM management
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–
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Large language models
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Workflows
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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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–
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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.