GitHub Copilot vs Diffblue Cover vs GitHub Copilot CLI vs devlo

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

Your tool
GitHub Copilot
vs
Competitor 1
Diffblue Cover
Competitor 2
GitHub Copilot CLI
Competitor 3
devlo
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 Diffblue Cover
diffblue.com
Diffblue Cover, now offered as the Diffblue Testing Agent, generates, verifies and fixes unit tests autonomously across enterprise codebases.
Make main Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main Remove
Competitor devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
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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▼ 70.3%
6-month growth
+19.3%
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Global rank web
#49
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#8,880,689
Avg. last 3 months
629.7M
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537
Bounce rate lower is better
36%
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0%
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 CopilotDiffblue CoverGitHub Copilot CLIdevlo
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 · 637.9Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Paid
Free
Freemium
Starting price
$4per month · free tier available
$1,500per month
Free
$19per month · free tier available
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
Starter package $1,500Enterprise Custom
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Capabilities input → output
Input
CodeText
Code
CodeText
CodeText
Output
Code
Code
Code
AppsCode
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
9
5
14
Agents
Coding
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GitHub pull requests
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Code reviews
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Debugging
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Code autocompletion
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Teams performance analytics
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Test creation
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Test generation
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Unit tests
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Agent creation
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Code testing
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Coding in VS Code
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Development
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GitHub
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Jira tickets
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Test automation
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Testing
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Vs code
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Agent management
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Code quality
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Codebase q a
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Developer tools
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Frontend development
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GitHub management
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No-code
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Terminal
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Test cases
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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▲ 1
Saves
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Reviews
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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.