Gemini CLI vs OpenAI Codex CLI vs Lambda vs opcode

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

Your tool
Gemini CLI
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
Lambda
Competitor 3
opcode
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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
Make main 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
Traffic estimated monthly website traffic
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Bounce rate lower is better
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Pricing
Model
Free
Paid
Paid
Free
Starting price
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
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Open source Free
Capabilities input → output
Input
CodeDocumentsImagesText
CodeImagesText
CodeData
CodeText
Output
Code
Code
Apps
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Developer Tools
Development & CodeAI Coding AssistantAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
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4
3
6
Developer tools
Coding
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Agents
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GPU infrastructure
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Agent creation
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Code analysis
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Debugging
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Development
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MCP
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Model training
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Self hosted
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Terminal
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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.