OpenAI Codex CLI vs Haystack vs Vana vs JetBrains AI Assistant

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Haystack
Competitor 2
Vana
Competitor 3
JetBrains AI Assistant
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor Vana
vana.com
Your data sits locked in apps
Competitor JetBrains AI Assistant
jetbrains.com
JetBrains AI Assistant brings AI chat, coding agents and code completion directly into JetBrains IDEs.
Traffic estimated monthly website traffic
Monthly visits
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10.6Kvisits/mo
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MoM change
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▼ 7.4%
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6-month growth
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+8.0%
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Global rank web
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#1,862,034
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Avg. last 3 months
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10.2K
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Bounce rate lower is better
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34%
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Pages / visit
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2.4
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Visit duration
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25s
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Traffic sources
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OpenAI Codex CLIHaystackVanaJetBrains AI Assistant
03.6K7.3K10.9K14.5KVana · 12.5KVana · 13.6KVana · 14.5KVana · 11.6KVana · 9.8KVana · 9.5KVana · 9KVana · 8.7KVana · 11.4KVana · 10.6K1K10K100KVana · 12.5KVana · 13.6KVana · 14.5KVana · 11.6KVana · 9.8KVana · 9.5KVana · 9KVana · 8.7KVana · 11.4KVana · 10.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
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Freemium
Freemium
Starting price
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€8.33per month · free tier available
Free tier
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Free trial
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API access
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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AI Free FreeAI Pro (individual) €100/yrAI Pro (organization) €200/yr
Capabilities input → output
Input
CodeImagesText
CodeDocuments
Data
CodeText
Output
Code
Apps
Data
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
7
1
5
Agents
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Developer tools
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Coding
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Agent creation
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Code autocompletion
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LLM development
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RAG
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Agent memory
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Data protection
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MCP
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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
▲ 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.