OpenCode vs Visual Studio Code vs Gemini CLI vs Haystack

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

Your tool
OpenCode
vs
Competitor 1
Visual Studio Code
Competitor 2
Gemini CLI
Competitor 3
Haystack
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 Visual Studio Code
code.visualstudio.com
Visual Studio Code is a free, open source code editor that runs on Windows, macOS and Linux and now includes built-in AI agents.
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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.
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Traffic estimated monthly website traffic
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Pricing
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Starting price
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Free tier
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Free trial
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API access
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Free (personal Google account) Free
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Capabilities input → output
Input
CodeText
CodeText
CodeDocumentsImagesText
CodeDocuments
Output
Code
Code
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
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Developer tools
Coding
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Development
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Agent creation
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Agents
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Coding in VS Code
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LLM development
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Vs code
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Agent memory
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Code analysis
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Community on aitoolstime
Rating
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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.