Claude Code vs OpenAI Codex
Both agents come bundled with a $20 chat subscription. The bigger difference is how they work: Claude Code runs on your machine and asks before sensitive actions, while Codex was built to run tasks in isolated cloud sandboxes.
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How this page was made: this is a research-based comparison built from official pricing pages, product documentation and vendor announcements. We haven’t tested these tools ourselves or run hands-on benchmarks for this page, and we don’t invent scores. Our methodology.
Quick answer
Choose Claude Code (from $20/mo) if you want to watch and steer the agent on your own machine or you work on large codebases or long refactors. Choose OpenAI Codex (from $8/mo) if you want to hand off tasks and review the results later or you want the cheapest entry, with Free or the $8 Go plan.
Last updated Pricing checked Nov 2026
Check Claude Code pricing (opens in a new tab)Check OpenAI Codex pricing (opens in a new tab)
Key facts at a glance
| Claude Code | OpenAI Codex | |
|---|---|---|
| Cheapest plan with the agent | Claude Pro, $20/month ($17 billed annually) | ChatGPT Go, $8/month (Free also includes Codex) |
| Heavy-use tier | Max $100/month; Ultra $200/month | Pro, $100, $200 or $500/month |
| Team seat | Team Standard: $25 monthly / $20 annually | Business Standard: $25 monthly / $20 annually |
| Where it runs | Terminal, IDE extensions (VS Code, JetBrains), desktop app and web | Web, CLI, IDE extension and iOS (Plus) |
| Default working style (Zapier) | Local-first; narrates steps and asks permission before sensitive actions | Cloud-first; runs tasks in isolated sandboxes |
Our verdict: pick by working style, not price. Both start at $20 a month. Pick Claude Code if you want an agent that works on your own machine, narrates each step and asks before sensitive actions, with up to a 1M-token context window on Opus models (per Zapier[6]). Pick OpenAI Codex if you want to hand off well-scoped tasks to cloud sandboxes, want a cheaper $8 Go tier, or care about token efficiency. Zapier reports Codex used 1.5M tokens on a benchmark task against 6.2M for Claude Code. Both have $100-plus tiers for heavy use and team seats from $20 a month on annual billing.
Claude Code vs OpenAI Codex: side-by-side
| Claude Code | OpenAI Codex | |
|---|---|---|
| Cheapest plan with the agent | Claude Pro, $20/month ($17 billed annually) | ChatGPT Go, $8/month (Free also includes Codex) |
| Heavy-use tier | Max $100/month; Ultra $200/month | Pro, $100, $200 or $500/month |
| Team seat | Team Standard: $25 monthly / $20 annually | Business Standard: $25 monthly / $20 annually |
| Where it runs | Terminal, IDE extensions (VS Code, JetBrains), desktop app and web | Web, CLI, IDE extension and iOS (Plus) |
| Default working style (Zapier) | Local-first; narrates steps and asks permission before sensitive actions | Cloud-first; runs tasks in isolated sandboxes |
| Context window (Zapier) | Up to 1M tokens with Opus models | 350k tokens |
| Tokens on Zapier’s benchmark task | 6.2M | 1.5M |
| Multi-agent (Zapier) | Subagents plus experimental Agent Teams that message each other | Subagents and parallel cloud agents that don’t communicate |
| Pay-as-you-go option | Anthropic Console account | API key at API pricing |
How much do they cost?
Claude Code plans
| Option | Price | Note |
|---|---|---|
| Free | $0 | No Claude Code |
| Pro | $20/month, or $17/month billed annually ($200 up front) | Includes Claude Code |
| Max | $100/month (monthly billing only) | 5x Pro usage; Ultra is $200/month for 10x weekly usage |
| Team Standard seat | $25/seat monthly, $20 annually | Teams of 2 to 150 |
| Team Premium seat | $125/seat monthly, $100 annually | 5x Standard usage |
| Enterprise (self-serve) | $20/seat/month annually + usage at API rates | 20-seat minimum |
OpenAI Codex plans
| Option | Price | Note |
|---|---|---|
| Free | $0 | Quick coding tasks |
| Go | $8/month | Lightweight coding tasks |
| Plus | $20/month (billed monthly; no annual option) | Web, CLI, IDE extension, iOS; code review and Slack |
| Pro | $100, $200 or $500/month | Ultrafast mode on Pro $500 |
| Business | Standard $25/user monthly or $20 annually; Premium $125 or $100 | Premium adds more Codex usage; usually 2-seat minimum |
| API key | API pricing | Pay per use |
What are the pros and cons?
Claude Code: pros
- Works directly on your machine and asks before sensitive actions
- Up to 1M-token context with Opus models (Zapier)
- Experimental Agent Teams let agents share files and messages
- Runs in the terminal, VS Code, JetBrains, a desktop app and the web
Claude Code: cons
- Not included on the Free plan
- Zapier measured much higher token use on its benchmark task
- Max is billed monthly only
OpenAI Codex: pros
- Included even on Free, with an $8 Go tier
- Cloud sandboxes suit delegating well-scoped tasks
- Zapier measured about a quarter of Claude Code’s tokens on its benchmark task
- API-key option for CI and pay-per-use
OpenAI Codex: cons
- Smaller 350k context window (Zapier)
- Parallel agents don’t communicate with each other
- Built This Week says the most careful runs can take five to ten minutes
Which should you choose: Claude Code or OpenAI Codex?
Verdict: the entry prices are identical, so choose by working style. Claude Code is the more hands-on, local tool and keeps more of a codebase in view. Codex suits delegating scoped tasks to the cloud and uses tokens more frugally in Zapier’s[6] test. Built This Week’s short answer is to pick Claude Code for “speed and a tight feedback loop,” and Codex on extra-high reasoning “when you want fewer bugs and production-grade polish, and can wait five to ten minutes per run.”
Choose Claude Code if…
- You want to watch and steer the agent on your own machine
- You work on large codebases or long refactors
- You already pay for Claude Pro or Max
Choose OpenAI Codex if…
- You want to hand off tasks and review the results later
- You want the cheapest entry, with Free or the $8 Go plan
- You already pay for ChatGPT Plus or Pro
Pricing
Claude Code is included with Claude Pro ($20 a month, or $17 a month billed annually at $200 up front) Max ($100 a month, 5x Pro usage) and Ultra ($200 a month, 10x Pro usage each week, no 5-hour limit). It isn’t included on the Free plan. Team Standard seats cost $25 monthly or $20 billed annually, and Premium seats with 5x Standard usage cost $125 or $100. Codex is included in ChatGPT Free, Go ($8), Plus ($20, billed monthly only), Pro ($100, $200 or $500), Business, Edu and Enterprise. OpenAI’s help center lists Business Standard seats at $25 a month or $20 a month billed annually, and Premium seats, with higher Codex usage, at $125 or $100. You can also run it with an API key at API pricing.
How they work
Zapier[6] describes Codex as cloud-first, built to run tasks autonomously in isolated sandboxes, and Claude Code as local-first: it works directly on your machine, narrates each step and asks permission for sensitive actions. Anthropic’s docs list the terminal, IDE extensions for VS Code and JetBrains, a desktop app and the web as Claude Code surfaces. OpenAI’s Plus tier lists Codex on the web, in the CLI, in the IDE extension and on iOS.
Model change on Codex
OpenAI’s pricing page says GPT-5.5 retired from Codex with ChatGPT sign-in on October 14, 2026. Sessions authenticated with an API key weren’t affected.
Who should skip this
Skip both if you mostly want inline autocomplete while you type; an editor-first tool fits better (see Claude Code vs Cursor and Cursor vs Windsurf). Skip Claude Code if you can’t pay for a plan: it isn’t on Claude Free, while Codex is on ChatGPT Free and the $8 Go tier. Skip Codex’s cloud tasks if your code can’t leave your machine; Zapier[6] describes Codex as cloud-first, while Claude Code works locally. If your team already standardizes on GitHub, compare GitHub Copilot vs Claude Code first. For more options, see our best AI coding assistants.
Frequently asked questions
Is Claude Code free?
Is Codex included with ChatGPT Plus?
Which uses fewer tokens?
How much is a team seat for Claude Code or Codex?
Can I pay for ChatGPT Plus annually to save on Codex?
Sources
Pricing and plan details were checked on the official pages below as of Nov 2026. Vendors change prices, credits and plan names often, and some show regional pricing at checkout, so confirm on the vendor’s site before you buy.
- Anthropic: Claude plans and pricing (claude.com)
- Claude Code Docs: Overview (code.claude.com)
- OpenAI Developers: Codex pricing (learn.chatgpt.com)
- OpenAI Help: What is ChatGPT Plus? (help.openai.com)
- OpenAI Help: Managing billing and seats in ChatGPT Business (help.openai.com)
- Zapier: Codex vs. Claude Code (zapier.com)
- Built This Week: Claude Code vs OpenAI Codex (updated October 2026) (builtthisweek.com)
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