What is the most expensive Claude Code plan?

Claude Code via Claude Max costs From $100/mo.

What is the most expensive OpenAI Codex plan?

OpenAI Codex via ChatGPT Pro costs From $100/mo.

Claude Code vs OpenAI Codex: plans and pricing

OpenAI Codex via ChatGPT Go is the cheaper way in at $8 per month, vs $20 for Claude Code via Claude Pro. At the standard tier, Claude Code via Claude Pro and OpenAI Codex via ChatGPT Plus both cost $20 per month. At the power user tier, Claude Code via Claude Max and OpenAI Codex via ChatGPT Pro both cost $100 per month. Claude Code has no free plan. OpenAI Codex has a free plan.

US prices from official pricing pages, verified September 15, 2026.

Tier	Claude Code	OpenAI Codex
Free	—	ChatGPT Free Free
Budget	—	ChatGPT Go $8/mo
Standard	Claude Pro $20/mo ($17/mo billed yearly)	ChatGPT Plus $20/mo
Power user	Claude Max From $100/mo	ChatGPT Pro From $100/mo
Teams	Claude Team (premium seat) $125/mo per user ($100/mo billed yearly)	ChatGPT Business $25/mo per user ($20/mo billed yearly)

Monthly prices in USD before tax. Plans are grouped by comparable tier.

Claude Code

Anthropic’s agentic coding tool, included with paid Claude plans.

Claude Pro$20/mo ($17/mo billed yearly)
Claude Code included with the Pro subscription
Claude MaxFrom $100/mo
5x or 20x more usage than Pro
Claude Team (premium seat)$125/mo per user ($100/mo billed yearly)
Premium seats include Claude Code and Claude Cowork

Also available pay-as-you-go through the Claude API at standard token prices.

Anthropic official pricing ↗

OpenAI Codex

OpenAI’s coding agent, included with ChatGPT plans.

ChatGPT FreeFree
Codex on quick coding tasks
ChatGPT Go$8/mo
Codex for lightweight coding tasks
ChatGPT Plus$20/mo
Codex on the web, CLI, IDE extension and iOS · Automatic code review and Slack integration
ChatGPT ProFrom $100/mo
5x or 20x more Codex usage than Plus · GPT-5.3-Codex-Spark research preview
ChatGPT Business$25/mo per user ($20/mo billed yearly)
Codex across desktop and mobile apps

Also usable with an OpenAI API key, billed at API token prices.

OpenAI official pricing ↗

Comparing the models behind them

Plans differ mostly in usage limits; the models do the work. See how Claude Opus 5 and GPT-5.6 Sol compare on price and benchmarks: Claude Opus 5 vs GPT-5.6 Sol.

Frequently asked questions

Which is cheaper, Claude Code or OpenAI Codex?: OpenAI Codex via ChatGPT Go is the cheaper way in at $8 per month, vs $20 for Claude Code via Claude Pro. At the standard tier, Claude Code via Claude Pro and OpenAI Codex via ChatGPT Plus both cost $20 per month. At the power user tier, Claude Code via Claude Max and OpenAI Codex via ChatGPT Pro both cost $100 per month.
Do Claude Code and OpenAI Codex have free plans?: Claude Code has no free plan. OpenAI Codex has a free plan.
What is the most expensive Claude Code plan?: Claude Code via Claude Max costs From $100/mo.
What is the most expensive OpenAI Codex plan?: OpenAI Codex via ChatGPT Pro costs From $100/mo.