Diffblue Cover vs GitHub Copilot CLI vs OpenCode vs devlo

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

Your tool
Diffblue Cover
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
OpenCode
Competitor 3
devlo
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.
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 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
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
—
—
—
—
MoM change
—
—
—
▼ 70.3%
6-month growth
—
—
—
—
Global rank web
—
—
—
#8,880,689
Avg. last 3 months
—
—
—
537
Bounce rate lower is better
—
—
—
0%
Pages / visit
—
—
—
—
Visit duration
—
—
—
—
Traffic sources
—
—
—
—
Diffblue CoverGitHub Copilot CLIOpenCodedevlo
02K3.9K5.9K7.9Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6K1K10Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KDec '25Jan '26Feb
Pricing
Model
Paid
Free
Free
Freemium
Starting price
$1,500per month
Free
Free
$19per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
–
Plans
Starter package $1,500Enterprise Custom
—
—
—
Capabilities input → output
Input
Code
CodeText
CodeText
CodeText
Output
Code
Code
Code
AppsCode
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
3
11
Coding
–
Agents
–
–
Development
–
–
Developer tools
–
–
Code reviews
–
–
–
GitHub pull requests
–
–
–
Teams performance analytics
–
–
–
Test creation
–
–
–
Test generation
–
–
–
Unit tests
–
–
–
Agent creation
–
–
–
Code testing
–
–
–
GitHub
–
–
–
Jira tickets
–
–
–
Test automation
–
–
–
Testing
–
–
–
Code quality
–
–
–
Frontend development
–
–
–
GitHub management
–
–
–
Test cases
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

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.