GitHub Copilot vs Glean vs Visual Studio Code vs OpenAI Codex

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

Your tool
GitHub Copilot
vs
Competitor 1
Glean
Competitor 2
Visual Studio Code
Competitor 3
OpenAI Codex
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 Glean
glean.com
Glean is an enterprise AI platform that connects to company apps and data to provide search, an AI assistant and agents.
Make main Remove
Competitor 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.
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
—
—
204.3Mvisits/mo
MoM change
▲ 3.7%
—
—
▲ 3.6%
6-month growth
+19.3%
—
—
+0.3%
Global rank web
#49
—
—
#212
Avg. last 3 months
629.7M
—
—
197.3M
Bounce rate lower is better
36%
—
—
58%
Pages / visit
5.9
—
—
3.0
Visit duration
6m 26s
—
—
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
—
—
● Direct 81% · ● Referral 17%
GitHub CopilotGleanVisual Studio CodeOpenAI Codex
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 · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Free
Freemium
Starting price
$4per month · free tier available
—
Free
$20per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
Free FreeTeam $4/moEnterprise $21/mo
—
—
—
Capabilities input → output
Input
CodeText
DataDocumentsText
CodeText
CodeText
Output
Code
Text
Code
Code
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Education & LearningProductivity & OfficeAI AgentAI Assistant+1 more
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
10
6
9
Agents
Coding
–
Debugging
–
Coding in VS Code
–
–
Vs code
–
–
Agent management
–
–
Code reviews
–
–
Terminal
–
–
AI search
–
–
–
Code autocompletion
–
–
–
Agent creation
–
–
–
Business productivity
–
–
–
Developer tools
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Knowledge
–
–
–
Code documentation
–
–
–
Development
–
–
–
Digital information management
–
–
–
Knowledge bases
–
–
–
Knowledge sourcing
–
–
–
Model routing
–
–
–
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
2
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.