Claude
AI assistant for writing, analysis, coding and complex tasks
View Claude →SOFTWARE COMPARISON
Claude vs Codex: Which Is Better in 2026?
Compare pricing, free plans, strengths and weaknesses to decide which tool fits your workflow better.
VS
Codex
OpenAI coding agent for local, cloud and collaborative engineering workflows
View Codex →Comparison scope
Compare the requirements of your workflow
This page places recorded product information side by side. It does not establish a winner or show results from a matched product test. Check the features, limits and current provider terms for the work you need to complete.
Quick comparison
Feature
Claude
Codex
Pricing
Freemium
Included with ChatGPT plans / usage-based for teams
Starting price
$20/month
$0 with eligible ChatGPT plans
Free plan
Yes
Yes
Best for
Writing, analysis, coding, research and long-form content
Developers using OpenAI for codebase understanding, implementation, review and long-running work
Pricing
ClaudeFreemium
CodexIncluded with ChatGPT plans / usage-based for teams
Starting price
Claude$20/month
Codex$0 with eligible ChatGPT plans
Free plan
ClaudeYes
CodexYes
Best for
ClaudeWriting, analysis, coding, research and long-form content
CodexDevelopers using OpenAI for codebase understanding, implementation, review and long-running work
Claude pros
- Strong writing
- Excellent document analysis
- Useful for coding and research
- Handles long and complex tasks well
- Free plan available
Claude cons
- Usage limits vary by plan
- Some advanced features require a paid plan
- Availability of features can vary
Codex pros
- Included across multiple ChatGPT plans
- Handles multi-step engineering tasks
- Strong integration with OpenAI coding models
Codex cons
- Usage limits vary by ChatGPT plan
- Agent output still requires engineering review
Choose Codex if...
Developers using OpenAI for codebase understanding, implementation, review and long-running work
Explore Codex →