Direktvergleich · Profile geprüft Sep 29, 2026

Codex vs Claude Code in 2026: which coding agent fits your work

Pick Codex if you already pay for ChatGPT or want a free coding agent; pick Claude Code if you work in the terminal and have a Claude plan. Codex is included from the Free ChatGPT plan, with Go at $8/mo and Plus at $20/mo. Claude Code starts at $20/mo on Claude Pro and is not in the Free Claude plan.

Starting price$0/mo (Free) · $20/mo (Pro)OpenAI Codex · Claude Code
Free tierYes · NoOpenAI Codex · Claude Code
Plans documented6 · 5OpenAI Codex · Claude Code
Task 01 benchmarkPending · 5 of 5 tests, 48 sOpenAI Codex · Claude Code

We wrote this from our verified profiles of both tools, checked on September 29, 2026, plus our own benchmark task where only Claude Code has run so far; we use no third-party benchmarks and take no vendor payments.

Ist OpenAI Codex besser als Claude Code? Die kurze Antwort

Pick Codex if you already pay for ChatGPT, want a free plan to try, or need an open-source CLI plus a cloud agent on the web and iOS. Pick Claude Code if you already have, or will buy, a Claude Pro, Max, Team or Enterprise plan and want a terminal-first agent that edits multiple files and runs commands. On our first benchmark task, only Claude Code has a completed run (5 of 5 tests, 48 seconds, $1.22 at API list price); Codex is still pending, so we make no speed or quality claim between them.

Based on our profiles of OpenAI Codex and Claude Code, both verified on September 29, and benchmark task 01 (orders report), where Claude Code ran on October 2 and the Codex run is still pending.

OpenAI Codex oder Claude Code: Was für welche Aufgabe passt

Wenn Sie nur die Antwort wollen, ist das die Tabelle. Alles darunter sind die Belege aus den beiden dokumentierten Profilen.

Direktvergleich
Sie möchtenVerwendenWarum
Try a coding agent for freeOpenAI CodexCodex is included in the Free ChatGPT plan; Claude Code is not in the Free Claude plan
Make quick small edits and ask short questionsOpenAI CodexCodex lists quick coding tasks as a use case, from the Free and Go plans up
Build a feature across several filesClaude CodeClaude Code lists multi-file feature work with edits across files
Fix a bug from an error messageClaude CodeClaude Code traces the cause in the repo and proposes a fix
Review pull requests automaticallyOpenAI CodexCodex lists automatic code review on connected GitHub repositories (not with an API key)
Start work from SlackEitherCodex and Claude Code both list Slack entry points; Codex's Slack integration is cloud-only and not available with an API key
Run jobs in CI with an API keyEitherCodex supports an API-key option for CI; Claude Code can be billed by token through a Console account
Work inside JetBrainsClaude CodeClaude Code lists a JetBrains plugin; Codex lists VS Code, Cursor and Windsurf
Use it from a phoneEitherCodex runs on iOS (Plus plan); Claude Code has iOS and Android apps
Write tests and automate repetitive dev choresClaude CodeClaude Code lists writing and fixing tests, lint errors, merge conflicts and release notes

Wer was wählen sollte

Pick Codex if you already use ChatGPT or want a free start; pick Claude Code for terminal and IDE work Which one? Pick Codex ifAlready on ChatGPT: usage sharedFree ChatGPT plan includes CodexOpen-source CLI via npm, Homebrew$0/mo (Free) · free tier: YesPick Claude Code ifAlready on Claude Pro or MaxTerminal, VS Code or JetBrainsPay by token via Anthropic Console$20/mo (Pro) · free tier: No Codex vs Claude Code in 2026: which coding agent fits your work
Which to pick: Codex for ChatGPT users and a free start, Claude Code for terminal and IDE work

Wählen Sie OpenAI Codex, wenn

  • You already use ChatGPT: Codex usage is shared with your plan.
  • You want to try it for free: a Free ChatGPT plan includes Codex, with the desktop app listed.
  • You want an open-source CLI installable by script, npm or Homebrew.
  • You run CI and want to pay API rates with an API key, knowing GitHub code review and Slack are not available that way.

Wählen Sie Claude Code, wenn

  • You already subscribe to Claude Pro or Max: Claude Code is included.
  • You work mainly in the terminal, VS Code or JetBrains and want multi-file edits and command runs.
  • You want to start from Slack or GitHub, or use the iOS and Android apps.
  • You prefer to pay by token through an Anthropic Console account instead of a subscription.

Was OpenAI Codex besser kann und was Claude Code besser kann

OpenAI Codex
  • Free plan: a Free ChatGPT plan includes Codex, so you can try it at $0.
  • Open-source CLI installable by script, npm or Homebrew.
  • Automatic code review on connected GitHub repositories with a ChatGPT plan.
  • Usage shared with the ChatGPT plan you already have.
Claude Code
  • JetBrains plugin alongside VS Code and Cursor extensions.
  • Android app and iOS app, plus Slack and GitHub entry points.
  • Multi-file feature work and bug tracing across a repo.
  • Documented SSO, SCIM, audit logs and HIPAA-ready offering on business plans.

OpenAI Codex vs. Claude Code Preise: Tarife und kostenlose Stufen

Direktvergleich
TarifToolPreisLimits
Codex FreeOpenAI Codex$0/moDesktop app only listed; usage limits apply
Codex GoOpenAI Codex$8/moDesktop app only listed; usage limits apply
Codex PlusOpenAI Codex$20/moUsage limits apply
Codex ProOpenAI Codex$100, $200 or $500/mo (tier mapping not confirmed)Higher usage than Plus
Codex BusinessOpenAI Codex$25/user/mo billed monthly ($20 annual)Usage limits apply
Codex API keyOpenAI CodexPay per API tokenNo GitHub code review or Slack
Claude ProClaude Code$20/mo billed monthlyUsage limits apply; more usage than Free
Claude Max 5xClaude Code$100/mo5x the usage of Pro; usage limits apply
Claude Max 20xClaude Code$200/mo20x the usage of Pro; usage limits apply
Claude Team (standard seat)Claude Code$25/seat/mo billed monthlyTeams of 2 to 150; more usage than Pro
Claude EnterpriseClaude CodeSeat plus usage at API ratesSpend limits set by admins

USD laut Preisseite des jeweiligen Anbieters, geprüft Sep 29, 2026. OpenAI Codex Preise im Detail · Claude Code Preise im Detail

Nutzungslimits: Angaben der Anbieter

Direktvergleich
OpenAI CodexClaude Code
Messages / rate limitsUsage limits apply per plan; ChatGPT credits can extend usageUsage limits apply per plan; Max 5x and 20x give 5x and 20x the usage of Pro
Context / file sizeNot statedNot stated
Seats / teamBusiness plan at $25/user/mo billed monthlyTeam plan for 2 to 150 seats; Enterprise spend limits set by admins

Funktionsvergleich

Direktvergleich
FunktionOpenAI CodexClaude Code
Terminal CLIYes (open source)Yes
IDE extensionsVS Code, Cursor, WindsurfVS Code, Cursor, JetBrains
Desktop appYesYes (paid subscription required)
WebYesYes
Mobile appsiOSiOS and Android
SlackYes (cloud features, not with an API key)Yes (entry point listed)
GitHubCode review (not with an API key)Yes (entry point listed)
APIAPI key, billed at API ratesAnthropic Console account, billed per token

Datenschutz und Datentraining

Direktvergleich
OpenAI CodexClaude Code
Training on your dataNot stated: the privacy page returned 404 when we checkedOpt-out on Free, Pro and Max; none by default on Team and Enterprise (per the pricing page)
RetentionNot statedNot stated; custom retention controls listed for Enterprise only
Business controlsNot statedSSO and SCIM, audit logs and Compliance API, IP allowlisting, HIPAA-ready offering

Entnommen aus den veröffentlichten Richtlinienseiten des jeweiligen Anbieters zum Zeitpunkt unserer Prüfung. Richtlinien ändern sich; die Quellenlinks stehen unten.

Unser Praxis-Benchmark

Starting from a 40-line Python package with 5 failing tests: fix CSV date parsing and a trailing blank line, add totals_by_customer(), and add a --top N CLI flag. Standard library only, tests must not be edited.

Claude Code

5/5Tests

Zeit
00:48
Kosten
$1.22
OpenAI Codex

—noch nicht ausgeführt

Vollständiger Benchmark, Protokoll und Roh-Nutzungsausgabe

Kosten pro Antwort über die API

Support assistant: 2,500 input + 500 output tokens

Direktvergleich
ModellToolKosten pro Antwort
gpt-6.1-solOpenAI Codex$0.0100
gpt-6-lunaOpenAI Codex$0.0005
gpt-5.6-solOpenAI Codex$0.0200
Claude Sonnet 5.5Claude Code$0.0100
Claude Opus 5.5Claude Code$0.0200
Claude Haiku 4.5Claude Code$0.0050

USD at list API prices from research/pricing/models.json; chat subscriptions are flat-rate and not included Rechnen Sie mit Ihren eigenen Zahlen im Rechner.

Wechsel zwischen OpenAI Codex und Claude Code: was mitgenommen wird

OpenAI Codex → Claude CodeWird übernommen
  • Terminal workflow and VS Code or Cursor setup
  • Slack and GitHub entry points
  • API-style billing through a Console account
Sie verlieren
  • Free plan access
  • Windsurf extension
  • Shared usage with your ChatGPT plan
Claude Code → OpenAI CodexWird übernommen
  • Terminal workflow and VS Code or Cursor setup
  • Desktop app and web access
  • API-key billing for CI
Sie verlieren
  • JetBrains plugin
  • Android app
  • Claude Max usage tiers

Vor- und Nachteile

OpenAI Codex
  • Free plan available to try Codex
  • Several surfaces: CLI, IDE, app, web
  • API-key option for CI
  • Usage limits apply per plan
  • API-key use lacks GitHub code review and Slack
  • Free and Go plans list the desktop app only
Claude Code
  • Available on terminal, IDE, desktop and web
  • Included in Pro and Max plans
  • Native installs update automatically
  • Not included in the Free Claude plan
  • Most surfaces need a Claude subscription or Console account
  • Console use is billed by token, so costs are harder to predict

Die beiden Tools

OpenAI Codex

Web · Desktop · Mobile

Noch keine Nutzerbewertungen

OpenAI's coding agent for the CLI, IDE extension, desktop app, web and iOS, included in ChatGPT plans or billed by API.

Kostenlos bis: Desktop app only listed, Usage limits apply

Listed Noch nicht bewertet

Geprüft developers.openai.com (öffnet die Website von OpenAI Codex in einem neuen Tab)

Kostenlos · kostenpflichtig ab $8/mo US · geprüft Sep 29

Claude Code

Web · Desktop

Noch keine Nutzerbewertungen

Das agentische Coding-Tool von Anthropic, das Ihre Codebasis liest, Dateien bearbeitet und Befehle ausführt, im Terminal, in IDEs, in der Desktop-App oder im Browser.

Kostenlos bis: Kein kostenloser Tarif: Claude Code ist in den bezahlten Claude-Abonnements (Pro, Max, Team, Enterprise) enth…

Listed Noch nicht bewertet

Geprüft code.claude.com (öffnet die Website von Claude Code in einem neuen Tab)

Ab $20/mo US · geprüft Sep 29

Live-Vergleichstabelle öffnen

OpenAI Codex oder Claude Code: So treffen Sie die Wahl

  • Already pay for ChatGPT? Start with Codex, since usage is shared with your plan.
  • Want to try for free first? Only Codex has a free plan.
  • Use JetBrains or need an Android app? Choose Claude Code.
  • Run CI on API billing? Codex and Claude Code both work, but Codex loses GitHub code review and Slack with an API key.
  • Need documented SSO, SCIM and audit logs? Claude Code lists them; Codex does not state them.
  • No strong tie either way: try Codex free, then move to Claude Code if you want terminal-first multi-file work.

Häufig gestellte Fragen

Is OpenAI Codex or Claude Code cheaper?

OpenAI Codex is cheaper to start: Codex has a $0 Free plan and an $8/mo Go plan, while Claude Code starts at Pro for $20/mo billed monthly. Codex and Claude Code both also offer usage-based billing, by API key for Codex and by Console account for Claude Code. Real cost depends on how much you use each, which we have not measured for Codex.

Can I use Codex or Claude Code for free?

Codex can be used for free because the Free ChatGPT plan includes Codex, with the desktop app listed and usage limits. Claude Code cannot: Claude Code is not included in the Free Claude plan and needs a paid subscription or a Console account billed by tokens.

Did Codex or Claude Code perform better in your benchmark?

No winner yet: only Claude Code has a completed run. On task 01 (fix CSV date parsing, add totals_by_customer(), add a --top N flag), Claude Code passed 5 of 5 tests in 48 seconds at $1.22 at API list price, run headless with the reviewer's own settings active. The Codex run is pending, so there is nothing to compare.

Do Codex and Claude Code work with my editor?

Codex lists extensions for VS Code, Cursor and Windsurf. Claude Code lists VS Code, Cursor and JetBrains extensions. Codex and Claude Code both also have a CLI and a desktop app.

Is Codex better than Claude Code?

Neither wins outright from documented features. Codex is the cheaper start because a Free ChatGPT plan includes it and its CLI is open source; Claude Code covers more surfaces (terminal, VS Code, JetBrains, desktop, web, iOS, Android) and needs a paid Claude plan from $20/mo. On our first benchmark task only Claude Code has a completed run, so we make no quality claim.

Can I use Codex and Claude Code together?

Yes, Codex and Claude Code can be used together. They are separate agents billed through separate plans (ChatGPT and Claude), so you can install both CLIs in the same repository and use each for different tasks.

Quellen

Nur offizielle Anbieterseiten. Es wurden keine Benchmarks Dritter, Forenbeiträge oder Presseberichte verwendet. So testen wir.