Gemini CLI vs opcode vs Haystack vs Google Antigravity

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
Haystack
Competitor 3
Google Antigravity
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 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 Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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14Mvisits/mo
MoM change
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▼ 3.1%
6-month growth
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-31.9%
Global rank web
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Avg. last 3 months
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15.4M
Bounce rate lower is better
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48%
Pages / visit
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2.2
Visit duration
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3m 35s
Traffic sources
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● Direct 58% · ● Referral 42%
Gemini CLIopcodeHaystackGoogle Antigravity
05.4M10.8M16.2M21.6MGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14M10M100MGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Free
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Free
Starting price
Free
Free
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Free
Free tier
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Free trial
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API access
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Plans
Free (personal Google account) Free
Open source Free
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeText
CodeDocuments
CodeText
Output
Code
Code
Apps
AppsCode
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
6
7
9
Agents
Developer tools
Coding
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Agent creation
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Development
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Self hosted
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LLM development
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RAG
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Agent management
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Code autocompletion
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Terminal
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Agent memory
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Code analysis
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Debugging
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Frontend development
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MCP
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Community on aitoolstime
Rating
no ratings yet
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.