OpenAI Codex CLI vs Haystack vs devlo

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
devlo
Competitor 3
Compare
3 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 devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
Traffic estimated monthly website traffic
Monthly visits
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MoM change
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▼ 70.3%
6-month growth
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Global rank web
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#8,880,689
Avg. last 3 months
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537
Bounce rate lower is better
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0%
Pages / visit
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Visit duration
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Traffic sources
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OpenAI Codex CLIHaystackdevlo
02K3.9K5.9K7.9Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6K1K10Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KDec '25Jan '26Feb
Pricing
Model
Paid
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Freemium
Starting price
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$19per 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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Capabilities input → output
Input
CodeImagesText
CodeDocuments
CodeText
Output
Code
Apps
AppsCode
Skill level
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
5
11
Agents
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Coding
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Agent creation
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Developer tools
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Code reviews
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GitHub pull requests
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LLM development
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Teams performance analytics
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Development
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GitHub
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Jira tickets
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Agent memory
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Code quality
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Frontend development
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
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.