OpenCode vs Augment Code vs Haystack 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
Augment Code
Competitor 2
Haystack
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 Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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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.
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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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Traffic estimated monthly website traffic
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Bounce rate lower is better
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Pricing
Model
Free
Paid
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Free
Starting price
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$20per month
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Free
Free tier
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Free trial
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API access
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Plans
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Standard $20/moBusiness $100/moEnterprise Custom
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Free (personal Google account) Free
Capabilities input → output
Input
CodeText
CodeText
CodeDocuments
CodeDocumentsImagesText
Output
Code
Code
Apps
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
6
7
6
Agents
Coding
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Developer tools
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Agent creation
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Development
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Self hosted
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Code reviews
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LLM development
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RAG
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Testing
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Agent memory
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Code analysis
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Code testing
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Debugging
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Local AI
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Community on aitoolstime
Rating
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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.