OpenAI Codex vs Learnbase vs Stacks vs Question Base

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

Your tool
OpenAI Codex
vs
Competitor 1
Learnbase
Competitor 2
Stacks
Competitor 3
Question Base
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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Competitor Learnbase
learnbase.app
Quick AI responses give you answers
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor Question Base
questionbase.com
Question Base is an AI answer agent that lives in Slack and responds to employee questions using your company's documentation, wikis and past conversations.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
217visits/mo
6.3Kvisits/mo
—
MoM change
▲ 3.6%
▼ 71.0%
▼ 8.4%
—
6-month growth
+0.3%
—
-50.8%
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Global rank web
#212
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#3,182,249
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Avg. last 3 months
197.3M
597
6.1K
—
Bounce rate lower is better
58%
40%
41%
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Pages / visit
3.0
1.4
1.7
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Visit duration
2m 31s
4s
6s
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Traffic sources
● Direct 81% · ● Referral 17%
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OpenAI CodexLearnbaseStacksQuestion Base
066.6M133.2M199.7M266.3MOpenAI 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 · 204.3MLearnbase · 42Learnbase · 374Learnbase · 827Learnbase · 749Learnbase · 217Stacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K101001K10K100K1M10M100M1BOpenAI 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 · 204.3MLearnbase · 42Learnbase · 374Learnbase · 827Learnbase · 749Learnbase · 217Stacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Paid
Starting price
$20per month · free tier available
$14.99per month · free tier available
$9per month
$5per month
Free tier
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Free trial
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–
–
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API access
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–
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Plans
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Free FreePro $14.99/moEnterprise $0
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Proof of Concept $1,000Annual Pro $6,000/yrEnterprise+ $20,000/yr
Capabilities input → output
Input
CodeText
Text
DocumentsTextWeb pages
DocumentsText
Output
Code
Text
Text
Text
Skill level
Advanced
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
6
6
Knowledge bases
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Agents
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Knowledge
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Bookmarking
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Coding
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Digital information management
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Learning paths
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Slack
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Chatbots
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Chrome extensions
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GitHub automation
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GitHub pull requests
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Knowledge optimization
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Learning
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Study plans
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Code documentation
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Code reviews
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Debugging
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Development
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Education
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Knowledge exploration
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Note taking
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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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.