Gemini CLI vs opcode vs Visual Studio Code vs Haystack

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

Your tool
Gemini CLI
vs
Competitor 1
opcode
Competitor 2
Visual Studio Code
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool 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.
Remove
Competitor opcode
opcode.sh
opcode is a free, open-source desktop application that gives Anthropic's command-line coding agent a graphical interface.
Make main Remove
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.
Make main Remove
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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Free tier
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API access
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Open source Free
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeText
CodeText
CodeDocuments
Output
Code
Code
Code
Apps
Skill level
Advanced
Advanced
Advanced
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Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
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Coding
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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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Code analysis
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Developer assistance
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Agent memory
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MCP
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Community on aitoolstime
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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.