Haystack vs Defapi vs Semantic Kernel

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

Your tool
Haystack
vs
Competitor 1
DDefapi
Competitor 2
Semantic Kernel
Competitor 3
Suggested competitors for Haystack: LangChain92% LangGraph91% Pipecat90% AutoGen90% Rivet89% Langflow88% Dify87% Amazon Bedrock AgentCore86%
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3 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 DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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Competitor Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
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Traffic estimated monthly website traffic
Monthly visits
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2.4Kvisits/mo
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MoM change
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▼ 42.6%
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6-month growth
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-86.2%
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Global rank web
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#4,650,820
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Avg. last 3 months
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4.8K
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Bounce rate lower is better
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36%
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Pages / visit
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1.4
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Visit duration
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7s
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Traffic sources
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HaystackDefapiSemantic Kernel
04.4K8.8K13.3K17.7KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
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Paid
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Starting price
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Free tier
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Free trial
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API access
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Plans
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Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
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Capabilities input → output
Input
CodeDocuments
AudioImagesText
CodeText
Output
Apps
AudioImagesText
Apps
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI API
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
5
Agent creation
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Agents
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LLM development
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API integrations
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Developer tools
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APIs
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RAG
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API management
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API security
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Agent memory
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.