Diffblue Cover vs Augment Code vs devlo vs GitHub Copilot CLI

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

Your tool
Diffblue Cover
vs
Competitor 1
Augment Code
Competitor 2
devlo
Competitor 3
GitHub Copilot CLI
Compare
4 tools · best value per row highlighted
Your tool Diffblue Cover
diffblue.com
Diffblue Cover, now offered as the Diffblue Testing Agent, generates, verifies and fixes unit tests autonomously across enterprise codebases.
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Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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Competitor devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
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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.
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Traffic estimated monthly website traffic
Monthly visits
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MoM change
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▼ 70.3%
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6-month growth
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Global rank web
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#8,880,689
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Avg. last 3 months
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537
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Bounce rate lower is better
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0%
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Pages / visit
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Visit duration
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Traffic sources
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Diffblue CoverAugment CodedevloGitHub Copilot CLI
02K3.9K5.9K7.9Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6K1K10Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KDec '25Jan '26Feb
Pricing
Model
Paid
Paid
Freemium
Free
Starting price
$1,500per month
$20per month
$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
Starter package $1,500Enterprise Custom
Standard $20/moBusiness $100/moEnterprise Custom
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Capabilities input → output
Input
Code
CodeText
CodeText
CodeText
Output
Code
Code
AppsCode
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
14
5
Agents
Coding
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GitHub pull requests
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Code reviews
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Testing
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Agent creation
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Code testing
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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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Development
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GitHub
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Jira tickets
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Test automation
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Code quality
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Codebase q a
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Debugging
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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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Test cases
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Community on aitoolstime
Rating
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Upvotes
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▲ 1
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Saves
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Reviews
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Prompts
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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.