OpenCode vs StudyBuddy vs fastwrite vs OpenAI Codex CLI

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

Your tool
OpenCode
vs
Competitor 1
StudyBuddy
Competitor 2
fastwrite
Competitor 3
OpenAI Codex CLI
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor StudyBuddy
studybuddy.gg
Make main Remove
Competitor fastwrite
fastwrite.io
Academic writing means juggling sources while trying to sound original
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
18.5Kvisits/mo
2.2Kvisits/mo
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MoM change
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▼ 17.4%
▲ 200.8%
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6-month growth
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+32.2%
-38.3%
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Global rank web
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#1,296,631
#5,936,435
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Avg. last 3 months
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22.6K
1.4K
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Bounce rate lower is better
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38%
19%
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Pages / visit
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1.7
3.0
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Visit duration
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8s
2m 40s
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Traffic sources
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OpenCodeStudyBuddyfastwriteOpenAI Codex CLI
06.8K13.5K20.3K27.1KStudyBuddy · 19.9KStudyBuddy · 22.4KStudyBuddy · 23.5KStudyBuddy · 19.5KStudyBuddy · 14KStudyBuddy · 15.4KStudyBuddy · 19.3KStudyBuddy · 27.1KStudyBuddy · 22.3KStudyBuddy · 18.5Kfastwrite · 3.8Kfastwrite · 12.3Kfastwrite · 4.4Kfastwrite · 3.6Kfastwrite · 5.4Kfastwrite · 1.5Kfastwrite · 1.2Kfastwrite · 732fastwrite · 2.2K1001K10K100KStudyBuddy · 19.9KStudyBuddy · 22.4KStudyBuddy · 23.5KStudyBuddy · 19.5KStudyBuddy · 14KStudyBuddy · 15.4KStudyBuddy · 19.3KStudyBuddy · 27.1KStudyBuddy · 22.3KStudyBuddy · 18.5Kfastwrite · 3.8Kfastwrite · 12.3Kfastwrite · 4.4Kfastwrite · 3.6Kfastwrite · 5.4Kfastwrite · 1.5Kfastwrite · 1.2Kfastwrite · 732fastwrite · 2.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Paid
Freemium
Paid
Starting price
Free
$5.99per month
€22per month · free tier available
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Free tier
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Free trial
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API access
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Plans
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Weekly Trial $0.99Weekly Subscription $5.99/mo
Free FreePremium €22/moUltimate €35/mo
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
ImagesText
DocumentsText
CodeImagesText
Output
Code
Text
Text
Code
Skill level
Advanced
Beginner-friendly
Beginner-friendly
Advanced
Categories
Development & CodeAI Coding Assistant
Education & LearningAI Homework Helper
Productivity & OfficeResearch & AnalyticsWriting & ContentAI Essay Writer+3 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
5
8
4
Coding
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Agents
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Developer tools
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Academic writing
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Chrome extensions
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Citations
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Homework assistance
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Study assistance
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Academic citation
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Essay feedback
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Math problems
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Research
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Research papers analysis
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Development
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Local AI
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PDFs
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Scientific writing
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Self hosted
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Terminal
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Tutoring
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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.