OpenCode vs Semantic Kernel vs OpenAI Codex CLI vs Gemini Code Assist

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

Your tool
OpenCode
vs
Competitor 1
Semantic Kernel
Competitor 2
OpenAI Codex CLI
Competitor 3
Gemini Code Assist
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 Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
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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 Gemini Code Assist
codeassist.google
It provides a chat interface that is aware of the code in the open files, automatic completions as you type, and generation or transformation of whole functions and files on demand.
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Traffic estimated monthly website traffic
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Bounce rate lower is better
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Pricing
Model
Free
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Paid
Freemium
Starting price
Free
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$19per 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
Individuals FreeStandard $19/moEnterprise $45/mo
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
CodeText
Output
Code
Apps
Code
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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6
Agents
Developer tools
Coding
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Agent creation
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Code autocompletion
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Code reviews
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LLM development
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API integrations
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Development
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Local AI
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MCP
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Self hosted
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Terminal
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Community on aitoolstime
Rating
no ratings yet
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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.