GitHub Copilot vs Knowledge Plane vs Mem 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
Knowledge Plane
Competitor 2
Mem
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 Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor Mem
mem.ai
Notes that organize themselves
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
—
169.9Kvisits/mo
204.3Mvisits/mo
MoM change
▲ 3.7%
—
▼ 2.1%
▲ 3.6%
6-month growth
+19.3%
—
-29.8%
+0.3%
Global rank web
#49
—
#226,410
#212
Avg. last 3 months
629.7M
—
187.7K
197.3M
Bounce rate lower is better
36%
0%
36%
58%
Pages / visit
5.9
—
3.0
3.0
Visit duration
6m 26s
—
46s
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
—
● Direct 74% · ● Referral 25%
● Direct 81% · ● Referral 17%
GitHub CopilotKnowledge PlaneMemOpenAI 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 · 637.9MMem · 209.8KMem · 206KMem · 241.8KMem · 236.7KMem · 241.8KMem · 236KMem · 362.4KMem · 219.8KMem · 173.5KMem · 169.9KOpenAI 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 · 204.3M100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MMem · 209.8KMem · 206KMem · 241.8KMem · 236.7KMem · 241.8KMem · 236KMem · 362.4KMem · 219.8KMem · 173.5KMem · 169.9KOpenAI 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
Freemium
Freemium
Freemium
Starting price
$4per month · free tier available
$19per month · free tier available
$15per month · free tier available
$20per month · free tier available
Free tier
Free trial
–
–
API access
–
–
–
Plans
Free FreeTeam $4/moEnterprise $21/mo
—
—
—
Capabilities input → output
Input
CodeText
CodeDocumentsText
AudioTextWeb pages
CodeText
Output
Code
Text
Text
Code
Skill level
Intermediate
Intermediate
Beginner-friendly
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI AssistantAI Knowledge Management+1 more
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
12
5
9
Coding
–
–
Agents
–
–
Knowledge bases
–
–
Code reviews
–
–
Code documentation
–
–
Debugging
–
–
Terminal
–
–
Code autocompletion
–
–
–
Knowledge graphs
–
–
–
Note taking
–
–
–
Agent memory
–
–
–
Coding in VS Code
–
–
–
Developer tools
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Knowledge
–
–
–
Knowledge maps
–
–
–
Knowledge sourcing
–
–
–
Vs code
–
–
–
Agent management
–
–
–
Chrome extensions
–
–
–
Codebase q a
–
–
–
Development
–
–
–
Digital information management
–
–
–
Idea management
–
–
–
Knowledge exchange
–
–
–
Slack
–
–
–
Transcription
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 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.