Gemini Code AssistvsOpenAI Codex

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Gemini Code Assist

Coding Assistants

Google's AI-powered code completion and assistance

OpenAI Codex

Coding Assistants

Featured

OpenAI coding agent for CLI, IDE, web, desktop, and cloud workflows

FeatureGemini Code AssistOpenAI Codex
CategoryCoding AssistantsCoding Assistants
PricingFree + EnterpriseIncluded with eligible ChatGPT plans; additional credits available
GitHub Stars
More stars
85k
PlatformsmacOS, Linux, Windows, WebmacOS, Windows, Linux, Web
Key Features
  • Code completion
  • Chat
  • Google Cloud integration
  • Multi-language
  • Security
  • Terminal coding agent
  • IDE extension
  • Web and desktop app
  • Multi-agent workflows
  • Cloud environments
  • Worktrees
  • PR review
  • MCP and tool use
Pros
  • + Powered by Gemini models
  • + Google Cloud integration
  • + Free tier with generous limits
  • + Multi-language support
  • + Growing capabilities
  • + Official OpenAI coding agent
  • + Works across CLI, IDE, web, desktop, and cloud
  • + Open-source CLI under Apache-2.0
  • + Strong fit for parallel agent workflows
  • + Designed for end-to-end software tasks and PR review
Cons
  • Google Cloud focused
  • Newer, less proven
  • Smaller ecosystem
  • Privacy concerns with code telemetry
  • Usage limits vary by ChatGPT plan
  • Cloud and ChatGPT surfaces are proprietary
  • Autonomous code changes still require review
  • Team controls depend on workspace plan
Tags
googlecodingcloudenterprise
codingagenticcliideopenaichatgptmulti-agent

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