Comparison

Claude vs OpenAI Codex

Overview

AI for every task that matters

Claude is Anthropic's AI assistant for writing, analysis, coding, research, and long-context work, with features for both individual use and secure team collaboration.

OpenAI Codex

A cloud-based software engineering agent from OpenAI.

openai.com →

OpenAI Codex is an AI coding agent that works in the cloud and terminal to write features, fix bugs and run tests in parallel on your codebase. Available through ChatGPT plans and the CLI, it delegates engineering tasks to autonomous agents backed by OpenAI's coding models.

Features

—Conversational AI
—Long context
—Document analysis
—Artifacts
—Projects
—Code generation and review
—Research and summarization
—Computer use

—Cloud-based autonomous coding agent
—Parallel task execution in sandboxes
—Terminal (Codex CLI) and IDE access
—Reads and edits your repository
—Runs tests and proposes PRs
—Backed by OpenAI coding models

Pricing

Claude

freemiumFree plan available

Plan	Price	Notes
Free	Free	Access to Claude with limited usage.
Pro	$20/mo	Standard paid individual plan.
Max 5x	$100/mo	Up to 5x more usage per session than Pro.
Max 20x	$200/mo	Up to 20x more usage per session than Pro.
Team	Contact sales	Seat-based team plan; current purchase flow is handled in product.
Enterprise	Contact sales	Contact sales for enterprise pricing.