OpenCode vs Claude Code vs Diffblue Cover vs GitHub Copilot

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

Your tool
OpenCode
vs
Competitor 1
Claude Code
Competitor 2
Diffblue Cover
Competitor 3
GitHub Copilot
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.
Remove
Competitor Claude Code
claude.com
Every plan tier hits usage limits
Make main 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
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
123.5Mvisits/mo
—
637.9Mvisits/mo
MoM change
—
▼ 6.8%
—
▲ 3.7%
6-month growth
—
+106.6%
—
+19.3%
Global rank web
—
#434
—
#49
Avg. last 3 months
—
125.2M
—
629.7M
Bounce rate lower is better
—
64%
—
36%
Pages / visit
—
2.2
—
5.9
Visit duration
—
2m 36s
—
6m 26s
Traffic sources
—
● Direct 82% · ● Referral 15%
—
● Direct 83% · ● Referral 15%
OpenCodeClaude CodeDiffblue CoverGitHub Copilot
0159.5M318.9M478.4M637.9MClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M10M100M1BClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Paid
Freemium
Starting price
Free
$17per month · free tier available
$1,500per month
$4per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
–
Plans
—
Free FreePro $17/moMax 5x $100/moMax 20x Custom/mo+2 more
Starter package $1,500Enterprise Custom
Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeText
CodeText
Code
CodeText
Output
Code
Code
Code
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
6
7
4
Coding
–
Agents
–
–
Code reviews
–
–
Test creation
–
–
–
Test generation
–
–
–
Unit tests
–
–
–
Code analysis
–
–
–
Code testing
–
–
–
Debugging
–
–
–
Developer assistance
–
–
–
Test automation
–
–
–
Testing
–
–
–
Agent management
–
–
–
Development
–
–
–
Test cases
–
–
–
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
2
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.