OpenAI CodexvsGemini Code Assist

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

OpenAI Codex

Coding Assistants

Featured

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

Full review →Website ↗

Gemini Code Assist

Coding Assistants

Google's AI-powered code completion and assistance

Full review →Website ↗
FeatureOpenAI CodexGemini Code Assist
CategoryCoding AssistantsCoding Assistants
PricingIncluded with eligible ChatGPT plans; additional credits availableFree + Enterprise
GitHub Stars
✓ More stars
85k
—
PlatformsmacOS, Windows, Linux, WebmacOS, Linux, Windows, Web
Key Features
  • ✓ Terminal coding agent
  • ✓ IDE extension
  • ✓ Web and desktop app
  • ✓ Multi-agent workflows
  • ✓ Cloud environments
  • ✓ Worktrees
  • ✓ PR review
  • ✓ MCP and tool use
  • ✓ Code completion
  • ✓ Chat
  • ✓ Google Cloud integration
  • ✓ Multi-language
  • ✓ Security
Pros
  • + 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
  • + Powered by Gemini models
  • + Google Cloud integration
  • + Free tier with generous limits
  • + Multi-language support
  • + Growing capabilities
Cons
  • − Usage limits vary by ChatGPT plan
  • − Cloud and ChatGPT surfaces are proprietary
  • − Autonomous code changes still require review
  • − Team controls depend on workspace plan
  • − Google Cloud focused
  • − Newer, less proven
  • − Smaller ecosystem
  • − Privacy concerns with code telemetry
Tags
codingagenticcliideopenaichatgptmulti-agent
googlecodingcloudenterprise

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