GitHub Copilot vs OpenAI Codex vs Devplan 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
Competitor 2
Devplan
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
Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor Devplan
devplan.com
Product development often stalls between the initial spark of an idea and the structured execution needed to build it
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
204.3Mvisits/mo
5Kvisits/mo
—
MoM change
▲ 3.7%
▲ 3.6%
▼ 20.2%
—
6-month growth
+19.3%
+0.3%
+131.4%
—
Global rank web
#49
#212
#3,650,414
—
Avg. last 3 months
629.7M
197.3M
5.1K
—
Bounce rate lower is better
36%
58%
43%
—
Pages / visit
5.9
3.0
1.8
—
Visit duration
6m 26s
2m 31s
12s
—
Traffic sources
● Direct 83% · ● Referral 15%
● Direct 81% · ● Referral 17%
—
—
GitHub CopilotOpenAI CodexDevplanOpenCode
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 · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MDevplan · 2.2KDevplan · 12KDevplan · 2.2KDevplan · 3.8KDevplan · 6.3KDevplan · 5K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MDevplan · 2.2KDevplan · 12KDevplan · 2.2KDevplan · 3.8KDevplan · 6.3KDevplan · 5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$4per month · free tier available
$20per month · free tier available
$100per month · free tier available
Free
Free tier
Free trial
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–
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API access
–
–
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
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Free FreeTeam $100/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
—
CodeText
Output
Code
Code
—
Code
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code ReviewAI Coding Assistant
Business & MarketingDevelopment & CodeProductivity & OfficeAI Coding Assistant+2 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
9
8
6
Coding
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Agents
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Code reviews
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Debugging
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Development
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Terminal
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Code autocompletion
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–
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Product management
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–
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Product management assistant
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–
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Project specifications
–
–
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Coding in VS Code
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–
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GitHub automation
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–
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GitHub pull requests
–
–
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Project planning
–
–
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Vs code
–
–
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Agent management
–
–
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Agile product management
–
–
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Code documentation
–
–
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Developer tools
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–
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Jira tickets
–
–
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Local AI
–
–
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Product development
–
–
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Project management
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–
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Self hosted
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
2
0
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.