Stacks vs GitHub Copilot vs OpenAI Codex vs Cerebro

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

Your tool
Stacks
vs
Competitor 1
GitHub Copilot
Competitor 2
OpenAI Codex
Competitor 3
Cerebro
Compare
4 tools · best value per row highlighted
Your tool Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor Cerebro
heycerebro.com
This platform promises to turn your scattered reading pile into a searchable knowledge base
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
637.9Mvisits/mo
204.3Mvisits/mo
6.1Kvisits/mo
MoM change
▼ 8.4%
▲ 3.7%
▲ 3.6%
▲ 396.9%
6-month growth
-50.8%
+19.3%
+0.3%
+948.5%
Global rank web
#3,182,249
#49
#212
#12,572,623
Avg. last 3 months
6.1K
629.7M
197.3M
2.7K
Bounce rate lower is better
41%
36%
58%
37%
Pages / visit
1.7
5.9
3.0
1.0
Visit duration
6s
6m 26s
2m 31s
—
Traffic sources
—
● Direct 83% · ● Referral 15%
● Direct 81% · ● Referral 17%
—
StacksGitHub CopilotOpenAI CodexCerebro
0159.5M318.9M478.4M637.9MStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KGitHub 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 · 204.3MCerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1K1001K10K100K1M10M100M1BStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KGitHub 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 · 204.3MCerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
$9per month
$4per month · free tier available
$20per month · free tier available
$4.99per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
–
Plans
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Free FreeTeam $4/moEnterprise $21/mo
—
—
Capabilities input → output
Input
DocumentsTextWeb pages
CodeText
CodeText
DocumentsWeb pages
Output
Text
Code
Code
Text
Skill level
Beginner-friendly
Intermediate
Advanced
Intermediate
Categories
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code ReviewAI Coding Assistant
Education & LearningProductivity & OfficeVideo EditingAI Files+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
9
9
7
Coding
–
–
Knowledge bases
–
–
Agents
–
–
Code reviews
–
–
Debugging
–
–
Terminal
–
–
Bookmarking
–
–
–
Code autocompletion
–
–
–
Digital information management
–
–
–
Chrome extensions
–
–
–
Coding in VS Code
–
–
–
Document chat
–
–
–
GitHub automation
–
–
–
GitHub pull requests
–
–
–
Knowledge maps
–
–
–
Vs code
–
–
–
Agent management
–
–
–
Code documentation
–
–
–
Development
–
–
–
Knowledge consultation
–
–
–
Knowledge exploration
–
–
–
Knowledge graphs
–
–
–
Note taking
–
–
–
PDF analysis
–
–
–
Video summaries
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
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.