OpenCode vs GitHub Copilot vs Kilo Code Reviewer vs OpenAI Codex CLI

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

Your tool
OpenCode
vs
Competitor 1
GitHub Copilot
Competitor 2
Kilo Code Reviewer
Competitor 3
OpenAI Codex CLI
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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Competitor Kilo Code Reviewer
kilo.ai
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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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Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
1Mvisits/mo
—
MoM change
—
▲ 3.7%
▼ 17.7%
—
6-month growth
—
+19.3%
-45.8%
—
Global rank web
—
#49
#41,702
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Avg. last 3 months
—
629.7M
1.3M
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Bounce rate lower is better
—
36%
41%
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Pages / visit
—
5.9
3.3
—
Visit duration
—
6m 26s
2m 00s
—
Traffic sources
—
● Direct 83% · ● Referral 15%
● Direct 85% · ● Referral 13%
—
OpenCodeGitHub CopilotKilo Code ReviewerOpenAI Codex CLI
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 · 637.9MKilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1M100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Paid
Starting price
Free
$4per month · free tier available
$15per month · free tier available
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Free tier
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Free trial
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–
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API access
–
–
–
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Plans
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Free FreeTeam $4/moEnterprise $21/mo
Free & Open Source FreeTeams $15/moKilo Pass $19/moEnterprise Custom
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
CodeText
Code
CodeImagesText
Output
Code
Code
Text
Code
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code Review
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
3
4
5
2
Coding
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Code reviews
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Developer tools
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Agents
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–
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Code quality
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–
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Code security analysis
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–
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GitHub pull requests
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–
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Agent management
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–
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Code analysis
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–
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Development
–
–
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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
2
0
0
Verified listing
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–
–
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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.