OpenAI Codex CLI vs CodeRabbit vs Haystack vs GitHub Copilot

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
CodeRabbit
Competitor 2
Haystack
Competitor 3
GitHub Copilot
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.
Remove
Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
Make main Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
1Mvisits/mo
—
637.9Mvisits/mo
MoM change
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▼ 22.7%
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▲ 3.7%
6-month growth
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+50.4%
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+19.3%
Global rank web
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#38,145
—
#49
Avg. last 3 months
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1.2M
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629.7M
Bounce rate lower is better
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49%
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36%
Pages / visit
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3.5
—
5.9
Visit duration
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1m 55s
—
6m 26s
Traffic sources
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● Direct 73% · ● Referral 24%
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● Direct 83% · ● Referral 15%
OpenAI Codex CLICodeRabbitHaystackGitHub Copilot
0159.5M318.9M478.4M637.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M100K1M10M100M1BCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
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Freemium
Starting price
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$24per month
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$4per 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
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
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Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeImagesText
Code
CodeDocuments
CodeText
Output
Code
CodeText
Apps
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Code Review
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
8
7
9
Agents
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Coding
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Code reviews
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Developer tools
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Terminal
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Agent creation
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Code autocompletion
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GitHub pull requests
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LLM development
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RAG
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Code analysis
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Code documentation
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Code quality
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Code security analysis
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Code testing
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Coding in VS Code
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Vs code
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Agent management
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Agent memory
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Debugging
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Development
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
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Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
2
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.