Checked September 26, 2026. USD, excluding tax. This comparison is based on both vendors' published pricing and documentation, not a hands-on coding benchmark. Jet Admin publishes it; it is not a competitor to either product, and both are described as their own documentation states.
The difference that settles most of this decision is not model quality — it is access. Codex is included on ChatGPT's free tier. Claude Code is not included on Claude's free plan at all. If you want to try an agentic coding tool without paying, there is currently only one option here.
Past that, the two price and meter differently enough that the right answer depends on how you work rather than which model you prefer. This guide sets out what each plan includes, how the limits actually behave, and what two realistic setups cost.
Codex vs Claude Code at a glance
| Codex | Claude Code | |
|---|---|---|
| Available on a free plan | Yes — included on ChatGPT Free | No — not included on Claude Free |
| Cheapest paid plan including it | Go, $8/month | Pro, $17/month billed annually ($20 monthly) |
| High-usage individual tier | Pro, from $100/month | Max, from $100/month |
| Team pricing | Business $20/user/month, 2+ users, annual — but see the seat caveat below | Team Standard $20/seat/month annual ($25 monthly) |
| Premium team seat | Premium seats available on Business | Team Premium $100/seat/month annual ($125 monthly) |
| Limit window | Five-hour period | Rolling five-hour session window, plus weekly limits on paid plans |
| When you hit the limit | Finishes the active turn, then you can buy credits | Wait for the window to reset |
| Top-up path | Purchasable credits | Not described on the pricing page |
Sources: Codex pricing and Claude pricing, both checked September 26, 2026.
What each one is in 2026
Codex is OpenAI's agentic coding tool, reached through the Codex CLI, IDE extensions and cloud surfaces, and bundled into ChatGPT subscriptions rather than sold separately. Its usage is expressed in messages against a model, with per-plan allowances.
Claude Code is Anthropic's agentic coding tool, included with paid Claude subscriptions rather than sold on its own. It runs in the terminal and through IDE integrations, and its usage draws on the same subscription allowance as the rest of Claude.
Both are agents rather than autocomplete: they read a codebase, plan, edit multiple files and run commands. Neither is a hosting platform, and neither deploys a running application for you — a point the Jet Admin section returns to.
How each one meters your usage
Codex: messages per five-hour period, with credits as a release valve
Codex allowances are quoted as message ranges per five-hour period, varying by model and plan. On GPT-6 Luna, the documentation gives Plus 350–3,000 messages, Pro 5x 1,750–14,000 and Pro 20x 7,000–56,000 per five-hour period.
Those are wide ranges for a reason, and the documentation is candid about it: "Small scripts or routine functions may consume only a fraction of your allowance, while larger projects, long-running tasks, or extended sessions… will use significantly more per message." A message is not a fixed unit of work.
Two behaviours matter operationally. If you hit the limit mid-task, "the agent will be able to continue working on that turn, subject to fair use limits" — your work in flight is not severed. And Plus and Pro users can buy additional credits to keep going without changing plan, billed against token rates (on GPT-6 Luna at standard speed, 2.5 credits per million input tokens and 12.5 per million output).
Claude Code: a rolling window, plus a weekly ceiling
Anthropic's pricing page states it plainly: "Every plan has usage limits that reset on a rolling five-hour session window, and paid plans add weekly limits on top."
That second clause is the one to plan around. A five-hour window is a pacing constraint you feel during a heavy afternoon; a weekly ceiling is a capacity constraint you feel in the last two days of a sprint. Codex's published model does not describe an equivalent weekly layer.
Max is sold as "5x or 20x more usage than Pro" from $100 a month, so the upgrade path is expressed as a multiple of a baseline rather than as a message count.
What each one costs for a real setup
Illustrative from published list prices, checked September 26, 2026. Annual figures are monthly equivalents.
Scenario 1: one developer, moderate daily use
| Option | Monthly | Notes |
|---|---|---|
| Codex on ChatGPT Free | $0 | Included; lowest allowance |
| Codex on Go | $8 | Cheapest paid entry of either product |
| Codex on Plus | $20 | 350–3,000 messages / 5 hours on GPT-6 Luna |
| Claude Code on Pro | $17 annually ($200 up front), or $20 monthly | Cheapest route to Claude Code |
At the paid entry point Codex is roughly half the price — $8 against $17 — and at the $20 mark the two are level. The genuine gap is below that: there is no $0 route to Claude Code, and no $8 one either.
Scenario 2: a team of ten
| Option | Calculation | Monthly |
|---|---|---|
| Claude Team Standard | 10 × $20 (annual) | $200 |
| Codex on ChatGPT Business | 10 × $20 (annual, 2+ users) | $200 — subject to the seat caveat below |
| Claude Team Premium | 10 × $100 (annual) | $1,000 |
At list price the standard team tiers are identical. The decision at this size is therefore not cost — it is whether weekly limits or a credit top-up path fits your delivery rhythm better, and whether the Business seat route is open to you at all.
The Codex Business seat caveat
OpenAI's help documentation is reported to state that from June 24, 2026, Codex seats are no longer available to new ChatGPT Business plans, or to Business workspaces that had not already added a Codex seat before that date; workspaces that had one can continue to manage and add usage-based seats.
We could not fetch that help article directly to quote it — OpenAI's help centre blocks automated requests — so treat this as reported rather than verified, and confirm it with OpenAI before planning a Business rollout. If it holds, a team standing up a new ChatGPT Business workspace today cannot buy Codex seats, which removes the $200 column above and makes the comparison one-sided at team scale.
Two related dates are worth checking at the same time: new sign-ups to the ChatGPT Pro $200 plan were reported paused from September 10, 2026, with the $100 Pro tier unaffected.
Which should you choose?
Choose Codex if you want to evaluate agentic coding at zero cost, if $8 a month is the budget, if you need to buy your way past a limit rather than wait, or if finishing an in-flight task when the allowance runs out matters to how you work.
Choose Claude Code if you are already paying for Claude and want the agent included at no extra cost, or if you prefer a usage model expressed as a straightforward multiple — Pro, then 5x, then 20x — rather than message ranges and credit rates. Its weekly limit is the thing to test against a real sprint before committing a team.
Do not choose on the headline price alone. Both land at $100 for the heavy individual tier and $20 per seat for a standard team seat. The differences that will actually affect your week are the free tier, the weekly ceiling and the top-up path.
For the full cost breakdowns, see our dedicated guides to Codex pricing and Claude Code pricing. If Cursor is also on your shortlist, our four-way comparison covers it.
Where Jet Admin fits
Being straight about this: Jet Admin is not an alternative to either tool, and swapping one for the other is not the choice on offer. Codex and Claude Code write and change code. Jet Admin builds a running application over a database or API you already have, without generating a codebase to maintain.
The overlap is narrow and specific. A large share of what developers are asked to build with an AI coding agent is internal: an admin panel, a back-office queue, a dashboard for the operations team. For that particular category, the relevant question is whether the work needs to become code you own and maintain at all.
| Priority | What to evaluate |
|---|---|
| Shipping product code your team owns | Codex or Claude Code. Jet Admin does not produce a codebase and is not a substitute |
| An internal tool on data you already have | Worth pricing both ways: generated-and-maintained code, versus an app built directly on the data source |
| Who can build it | Both agents assume a developer. Jet Admin is used by operations and product people as well |
| Ongoing maintenance | Generated code is code you maintain. Weigh that against a platform where the vendor maintains the runtime |
| Cost shape | Codex and Claude Code meter usage per developer; Jet Admin's Pro is $20/month ($16 annually) with unlimited users |
Sources: Jet Admin pricing, Codex pricing, Claude pricing. These are subscription comparisons, not equivalent-capability claims.
Frequently asked questions
Is Codex or Claude Code free?
Codex is included on ChatGPT's free tier with the lowest allowance. Claude Code is not included on Claude's free plan — the cheapest route to it is Pro at $17 a month billed annually, or $20 monthly.
Which is cheaper?
Codex, at the entry point: Go is $8 a month against Claude Pro's $17 annual equivalent. At $20 they are level, at $100 both high-usage tiers match, and a ten-seat standard team costs $200 a month on either.
What happens when you hit the usage limit?
Codex lets the agent finish the turn it is on, then you can buy credits to continue without changing plan. Claude's published model is a rolling five-hour window with weekly limits on paid plans, and the pricing page does not describe a credit top-up.
How are Codex usage limits measured?
In messages per five-hour period, varying by model and plan — on GPT-6 Luna, 350–3,000 for Plus and up to 7,000–56,000 for Pro 20x. The ranges are wide because a message covering a large refactor consumes far more than one fixing a typo.
Can a new team still buy Codex seats?
Possibly not. OpenAI's help documentation is reported to say Codex seats stopped being available to new ChatGPT Business plans from June 24, 2026. We could not verify this directly, so confirm with OpenAI before planning a Business deployment.
Does either one replace a developer or a platform?
No. Both are agents that write code a developer reviews, runs and maintains. Neither hosts your application, and neither removes the work of operating what it produces.
Test the limit, not the demo
Both tools will look capable in a first session. What separates them in practice is what happens in hour six of a hard day and on day five of a busy week — so run a real task on each until you hit the ceiling, and note whether you can keep working.
If the task you keep reaching for an agent to build is an internal tool on data you already have, try building that one directly in Jet Admin and compare the result against the code an agent hands you to maintain.
