OpenCode vs OpenAI Codex CLI vs GitBook vs Gemini CLI

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

Your tool
OpenCode
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
GitBook
Competitor 3
Gemini 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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
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Competitor Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
Make main Remove
Traffic estimated monthly website traffic
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6-month growth
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Bounce rate lower is better
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Pricing
Model
Free
Paid
Freemium
Free
Starting price
Free
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$65per month · free tier available
Free
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
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Free (personal Google account) Free
Capabilities input → output
Input
CodeText
CodeImagesText
CodeText
CodeDocumentsImagesText
Output
Code
Code
DocumentsText
Code
Skill level
Advanced
Advanced
Beginner-friendly
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
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4
4
Developer tools
Coding
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Development
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Knowledge bases
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Knowledge
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Code analysis
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Digital information management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
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Reviews
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Prompts
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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.