Haystack vs devlo vs OpenAI Codex CLI vs LangChain

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

Your tool
Haystack
vs
Competitor 1
devlo
Competitor 2
OpenAI Codex CLI
Competitor 3
LangChain
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 devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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Competitor LangChain
langchain.com
Framework for building with large language models
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Traffic estimated monthly website traffic
Monthly visits
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3.4Mvisits/mo
MoM change
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▼ 70.3%
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▲ 0.7%
6-month growth
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+21.0%
Global rank web
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#8,880,689
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#13,384
Avg. last 3 months
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537
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3.3M
Bounce rate lower is better
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0%
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42%
Pages / visit
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6.2
Visit duration
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5m 29s
Traffic sources
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● Direct 73% · ● Referral 24%
HaystackdevloOpenAI Codex CLILangChain
0850.7K1.7M2.6M3.4Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1K10K100K1M10Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
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Freemium
Paid
Freemium
Starting price
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$19per month · free tier available
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$39per month · free tier available
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocuments
CodeText
CodeImagesText
CodeText
Output
Apps
AppsCode
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
14
4
6
Agents
Agent creation
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Developer tools
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Coding
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LLM development
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Development
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Code reviews
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GitHub pull requests
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RAG
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Teams performance analytics
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GitHub
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Jira tickets
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Agent memory
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Agent testing
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Code quality
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Codebase q a
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Debugging
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Frontend development
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No-code
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Self hosted
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Terminal
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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.