Haystack vs LlamaIndex vs Nanonets vs OpenAI Agents SDK

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

Your tool
Haystack
vs
Competitor 1
LlamaIndex
Competitor 2
Nanonets
Competitor 3
OAOpenAI Agents SDK
Compare
4 tools · best value per row highlighted
Your tool 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 LlamaIndex
llamaindex.ai
Connect AI to your data
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Competitor Nanonets
nanonets.com
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Competitor OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
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Traffic estimated monthly website traffic
Monthly visits
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324Kvisits/mo
291.5Kvisits/mo
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MoM change
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▼ 21.0%
▼ 8.8%
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6-month growth
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-29.5%
+5.3%
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Global rank web
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#118,014
#119,959
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Avg. last 3 months
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398.3K
292.8K
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Bounce rate lower is better
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46%
40%
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Pages / visit
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2.8
4.6
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Visit duration
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1m 57s
3m 27s
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Traffic sources
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● Direct 74% · ● Referral 20%
● Direct 85% · ● Referral 11%
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HaystackLlamaIndexNanonetsOpenAI Agents SDK
0117.7K235.4K353K470.7KLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KNanonets · 310.5KNanonets · 309KNanonets · 346KNanonets · 253.8KNanonets · 276.9KNanonets · 292.2KNanonets · 283.2KNanonets · 267.2KNanonets · 319.7KNanonets · 291.5K100K1MLlamaIndex · 438.2KLlamaIndex · 470.7KLlamaIndex · 444KLlamaIndex · 423.8KLlamaIndex · 459.5KLlamaIndex · 421.3KLlamaIndex · 455KLlamaIndex · 461KLlamaIndex · 410KLlamaIndex · 324KNanonets · 310.5KNanonets · 309KNanonets · 346KNanonets · 253.8KNanonets · 276.9KNanonets · 292.2KNanonets · 283.2KNanonets · 267.2KNanonets · 319.7KNanonets · 291.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Free
Starting price
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Free tier
$100per month · free tier available
Free
Free tier
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Free trial
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API access
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Plans
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Free FreeStarter Custom/moPro Custom/moEnterprise Custom/mo
Starter FreeGrowth CustomCredits Plan $100/mo
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Capabilities input → output
Input
CodeDocuments
DocumentsImages
DocumentsImages
AudioCodeText
Output
Apps
DataText
Data
AppsAudio
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Legal & FinanceProductivity & OfficeAI AccountingAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
12
13
2
Agents
Agent creation
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Data extraction
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Document data extraction
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Document processing
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OCR
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Text extraction
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Workflows
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Accounting
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Accounting automation
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Developer tools
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Invoice processing
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Invoices
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LLM development
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Purchase order management
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Development
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Image data extraction
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Information retrieval
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Medical data extraction
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
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.