Visual Studio Code vs OpenAI Codex CLI vs GitHub Copilot vs Functionize

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

Your tool
Visual Studio Code
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
GitHub Copilot
Competitor 3
Functionize
Compare
4 tools · best value per row highlighted
Your tool Visual Studio Code
code.visualstudio.com
Visual Studio Code is a free, open source code editor that runs on Windows, macOS and Linux and now includes built-in AI agents.
Remove
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
637.9Mvisits/mo
—
MoM change
—
—
▲ 3.7%
—
6-month growth
—
—
+19.3%
—
Global rank web
—
—
#49
—
Avg. last 3 months
—
—
629.7M
—
Bounce rate lower is better
—
—
36%
—
Pages / visit
—
—
5.9
—
Visit duration
—
—
6m 26s
—
Traffic sources
—
—
● Direct 83% · ● Referral 15%
—
Visual Studio CodeOpenAI Codex CLIGitHub CopilotFunctionize
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 · 637.9M100M1BGitHub 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
Paid
Freemium
Freemium
Starting price
Free
—
$4per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
Plans
—
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeTeam $4/moEnterprise $21/mo
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeImagesText
CodeText
TextWeb pages
Output
Code
Code
Code
Data
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Testing
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
4
9
7
Agents
Coding
–
Coding in VS Code
–
–
Vs code
–
–
Developer tools
–
–
Debugging
–
–
Terminal
–
–
Code autocompletion
–
–
–
Test automation
–
–
–
Testing
–
–
–
Code reviews
–
–
–
Test creation
–
–
–
Test generation
–
–
–
Agent management
–
–
–
Test cases
–
–
–
Website testing
–
–
–
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
0
2
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.