Studyable vs OpenAI Codex CLI vs OpenCode vs Caktus

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

Your tool
Studyable
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
OpenCode
Competitor 3
Caktus
Compare
4 tools · best value per row highlighted
Your tool Studyable
studyable.app
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 OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Competitor Caktus
caktus.ai
More than 3 million students rely on Caktus to power through coursework faster
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
59.3Kvisits/mo
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59Kvisits/mo
MoM change
▲ 4.7%
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▼ 6.2%
6-month growth
-37.6%
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-6.3%
Global rank web
#593,029
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#669,749
Avg. last 3 months
61K
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57.1K
Bounce rate lower is better
40%
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64%
Pages / visit
2.2
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1.4
Visit duration
43s
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27s
Traffic sources
● Direct 87% · ● Referral 13%
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● Direct 100%
StudyableOpenAI Codex CLIOpenCodeCaktus
050.3K100.6K150.8K201.1KStudyable · 175.8KStudyable · 201.1KStudyable · 117.5KStudyable · 84.8KStudyable · 95KStudyable · 84.8KStudyable · 78.4KStudyable · 67.2KStudyable · 56.6KStudyable · 59.3KCaktus · 85.7KCaktus · 64.3KCaktus · 78.7KCaktus · 51.3KCaktus · 63KCaktus · 67.8KCaktus · 71.4KCaktus · 49.4KCaktus · 62.9KCaktus · 59K10K100K1MStudyable · 175.8KStudyable · 201.1KStudyable · 117.5KStudyable · 84.8KStudyable · 95KStudyable · 84.8KStudyable · 78.4KStudyable · 67.2KStudyable · 56.6KStudyable · 59.3KCaktus · 85.7KCaktus · 64.3KCaktus · 78.7KCaktus · 51.3KCaktus · 63KCaktus · 67.8KCaktus · 71.4KCaktus · 49.4KCaktus · 62.9KCaktus · 59KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Free
Freemium
Starting price
$3.99per month · free tier available
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Free
$19.99per month · free tier available
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
ImagesText
CodeImagesText
CodeText
DocumentsText
Output
Text
Code
Code
Text
Skill level
Beginner-friendly
Advanced
Advanced
Beginner-friendly
Categories
Education & LearningAI Flashcard MakerAI Homework HelperAI Math
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
AI Detection & SafetyEducation & LearningWriting & ContentAI Essay Writer+5 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
4
6
11
Coding
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Homework assistance
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Math
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Agents
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Math problems
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Math explanations
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Developer tools
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Citations
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Essay writing
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Academic citation
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Academic writing
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Flashcards
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Quiz generation
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Tutoring
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Calculus tutoring
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Development
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Essay grading
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Harvard citations
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Local AI
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Self hosted
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Terminal
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Writing
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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
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.