Gemini CLI vs GitHub Copilot vs OpenCode 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
GitHub Copilot
Competitor 2
OpenCode
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.
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor 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.
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.
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Traffic estimated monthly website traffic
Monthly visits
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637.9Mvisits/mo
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MoM change
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▲ 3.7%
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6-month growth
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+19.3%
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Global rank web
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#49
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Avg. last 3 months
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629.7M
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Bounce rate lower is better
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36%
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Pages / visit
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5.9
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Visit duration
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6m 26s
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Traffic sources
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● Direct 83% · ● Referral 15%
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Gemini CLIGitHub CopilotOpenCodeHaystack
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Free
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Starting price
Free
$4per month · free tier available
Free
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Free tier
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Free trial
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API access
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Plans
Free (personal Google account) Free
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeText
CodeText
CodeDocuments
Output
Code
Code
Code
Apps
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
9
6
7
Agents
Coding
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Developer tools
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Debugging
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Development
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Self hosted
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Agent creation
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Code autocompletion
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LLM development
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RAG
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Code reviews
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Coding in VS Code
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Vs code
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Agent management
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Agent memory
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Code analysis
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Local AI
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
0
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0
Reviews
0
0
0
0
Prompts
0
2
0
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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.