GitHub Copilot vs OpenAI Codex CLI vs Knowledge Plane vs OpenCode

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

Your tool
GitHub Copilot
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
Knowledge Plane
Competitor 3
OpenCode
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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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.
Make main Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
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MoM change
▲ 3.7%
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6-month growth
+19.3%
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Global rank web
#49
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Avg. last 3 months
629.7M
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Bounce rate lower is better
36%
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0%
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Pages / visit
5.9
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Visit duration
6m 26s
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Traffic sources
● Direct 83% · ● Referral 15%
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GitHub CopilotOpenAI Codex CLIKnowledge PlaneOpenCode
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M100M1BGitHub 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 '26FebMarAprMayJunJul
Pricing
Model
Freemium
Paid
Freemium
Free
Starting price
$4per month · free tier available
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$19per month · free tier available
Free
Free tier
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Free trial
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API access
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Plans
Free FreeTeam $4/moEnterprise $21/mo
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
CodeText
CodeImagesText
CodeDocumentsText
CodeText
Output
Code
Code
Text
Code
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Education & LearningAI Knowledge Management
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
2
7
2
Coding
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Knowledge bases
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Knowledge graphs
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Agents
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Code reviews
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Developer assistance
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Knowledge
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Knowledge maps
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Knowledge sourcing
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Agent management
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Developer tools
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Digital information management
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Knowledge exchange
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
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Reviews
0
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Prompts
2
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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.